Best pergolas for snow load
A pergola roof either carries snow or lets it through, and almost nobody publishes which. These are the three structures where you can actually find out.
By Ryder M. · Published · Last updated
We compare published manufacturer specifications, warranty terms and owner-reported failure modes. We have not physically tested these structures. How we judge shade structures
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Part of Pergolas
The short answer
The Domi louvered pergola is the best pergola for snow here, and the only one in its class that publishes a per-square-foot figure: 15 lb/ft², alongside a 72 mph wind rating and five years on the roof and frame. The Outsunny polycarbonate pergola publishes 10 lb/ft². Everything else in this category publishes nothing at all.
Our picks at a glance
| # | Structure | Best for | Snow load | Price |
|---|---|---|---|---|
| 01 |  Domi Outdoor Living Aluminum Louvered PergolaThe only louvered pergola here that publishes a snow load in pounds per square foot and backs the roof and frame for five years rather than one. | The only louvered pergola with a published snow figure | 15 lb/ft² | $1,399.99 · View on Amazon |
| 02 |  Outsunny Hardtop Polycarbonate PergolaA solid-roof aluminum pergola that publishes a roof load figure instead of a wind rating — useful for rain, unproven for wind. | The solid-roof option, with a smaller published figure | Roof weight capacity 10 lb/ft² (50 kg/m²) | Check price on Amazon |
| 03 |  Backyard Discovery Beaumont Cedar PergolaThe highest published wind rating of any pergola on this site, and the only wood kit whose manufacturer makes anchoring a stated condition of the rating. | The structure for which snow is not a roof problem | Not published by manufacturer | $1,199.00 · View on Amazon |
The durability table
Every published figure we could source for these structures, in one place, with the manufacturer page each number came from. Where a cell reads "Not published by manufacturer", that figure does not exist in the manufacturer's own material — we do not estimate it and we do not copy one from another site.
| Model | Wind rating (mph) | Snow load | Frame | Roof | Anchoring required | Warranty | Spec source |
|---|---|---|---|---|---|---|---|
| Domi Outdoor Living Aluminum Louvered PergolaTop pick | 72 | 15 lb/ft² | Aluminum | Adjustable louvers with integrated drainage | M6 expansion bolts into a wooden deck or concrete floor, immediately after assembly | 5 years on hardtop roof and frame; 1 year on curtains and netting | Domi Outdoor Living product pageChecked 2026-09-26 |
| Outsunny Hardtop Polycarbonate Pergola | Not published by manufacturer | Roof weight capacity 10 lb/ft² (50 kg/m²) | Aluminum | Solid polycarbonate with drainage holes | Not published by manufacturer | 1 year | Outsunny hardtop pergola product pageChecked 2026-09-26 |
| Backyard Discovery Beaumont Cedar Pergola | 100 (when properly anchored) | Not published by manufacturer | 100% cedar, 5.5 in. x 5.5 in. posts | Multi-level cedar trellis roof with crossing rafters — open, not solid | Mandatory. Concealed concrete anchors, per the instruction manual | 5 years | Backyard Discovery Beaumont product pageChecked 2026-09-26 |
Every pick in full
The only louvered pergola with a published snow figure
Domi Outdoor Living Aluminum Louvered Pergola
The only louvered pergola here that publishes a snow load in pounds per square foot and backs the roof and frame for five years rather than one.
- Wind rating
- 72
- Snow load
- 15 lb/ft²
- Frame
- Aluminum
- Roof
- Adjustable louvers with integrated drainage
- Anchoring
- M6 expansion bolts into a wooden deck or concrete floor, immediately after assembly
- Warranty
- 5 years on hardtop roof and frame; 1 year on curtains and netting
- Sizes
- 10 x 10 ft, 10 x 12 ft, 10 x 13 ft, 12 x 16 ft, 12 x 20 ft
In a category where almost nobody prints a roof load, this one prints it in the unit you can actually compare: pounds per square foot.
15 lb/ft² published snow load. Fifty per cent more than the only other pergola here with a figure, and a number you can set against the ground snow load for where you live rather than against marketing copy.
72 mph wind rating. Published alongside the snow figure, which is the combination this category is short of. Snow rarely turns up on a still day.
5 years on the hardtop roof and frame, 1 year on curtains and netting. The longest roof-and-frame term of any louvered pergola here by four years. A manufacturer that publishes a load figure and then warrants the thing that carries it for five years is making the same statement twice.
Aluminum frame with adjustable louvers and integrated drainage. The louvers are the snow strategy as well as the shade strategy: open them and the roof stops being a surface.
M6 expansion bolts into a wooden deck or concrete floor, immediately after assembly. Published, specific, and stated as something to do straight away rather than eventually.
10 x 10 ft, 10 x 12 ft, 10 x 13 ft, 12 x 16 ft and 12 x 20 ft. The load figure is per square foot, so it holds across the range — which is exactly why per-square-foot figures are the useful kind.
Skip it if: You will never touch the louvers. A closed louvered roof in a heavy winter is a flat roof, and the whole advantage is being able to open it.
#ad Price shown as of November 11, 2026. How this site is funded
Specifications from Domi Outdoor Living product page, checked 2026-09-26.
The solid-roof option, with a smaller published figure
Outsunny Hardtop Polycarbonate Pergola
A solid-roof aluminum pergola that publishes a roof load figure instead of a wind rating — useful for rain, unproven for wind.
- Wind rating
- Not published by manufacturer
- Snow load
- Roof weight capacity 10 lb/ft² (50 kg/m²)
- Frame
- Aluminum
- Roof
- Solid polycarbonate with drainage holes
- Anchoring
- Not published by manufacturer
- Warranty
- 1 year
- Sizes
- 12 x 10 ft, 14.5 x 10 ft, 16.5 x 10 ft
A fixed polycarbonate roof rather than louvers, and the only other pergola on this site that prints a roof capacity.
Roof weight capacity 10 lb/ft² (50 kg/m²). Two thirds of the Domi's figure, on a roof that cannot be opened to shed. In snow country that difference compounds, because a solid roof keeps everything that lands on it.
Solid polycarbonate with drainage holes. Excellent for rain, and the reason this pergola exists. Drainage holes deal with water; they do nothing for snow.
Aluminum frame, 1 year warranty. The warranty is the weak point against the Domi's five years on roof and frame.
12 x 10 ft, 14.5 x 10 ft and 16.5 x 10 ft. Long and shallow, which suits a run along a house wall.
No wind rating published. The gap that keeps this in second place: a figure for snow and nothing for the weather that usually accompanies it.
Skip it if: Your ground snow load is anywhere near 10 lb/ft². Published capacity is not a target to aim at.
#ad Price shown as of November 11, 2026. How this site is funded
Specifications from Outsunny hardtop pergola product page, checked 2026-09-26.
The structure for which snow is not a roof problem
Backyard Discovery Beaumont Cedar Pergola
The highest published wind rating of any pergola on this site, and the only wood kit whose manufacturer makes anchoring a stated condition of the rating.
- Wind rating
- 100 (when properly anchored)
- Snow load
- Not published by manufacturer
- Frame
- 100% cedar, 5.5 in. x 5.5 in. posts
- Roof
- Multi-level cedar trellis roof with crossing rafters — open, not solid
- Anchoring
- Mandatory. Concealed concrete anchors, per the instruction manual
- Warranty
- 5 years
- Sizes
- 10 x 10 ft, 12 x 10 ft, 14 x 10 ft, 14 x 12 ft, 16 x 12 ft, 20 x 12 ft
An open cedar trellis roof, which is the oldest answer to snow load in this category: do not have a roof.
Multi-level cedar trellis roof with crossing rafters — open, not solid. Snow falls through the gaps and lands on the ground, where it was going anyway. A roof with no surface has nothing to load.
100 mph wind rating when properly anchored — the highest published figure of any pergola on this site. Winter weather is wind as well as snow, and this is the only pergola here with a serious answer to the first half.
100% cedar with 5.5 in. x 5.5 in. posts. Heavy sections, and the reason the wind figure is credible.
Anchoring is mandatory: concealed concrete anchors, per the instruction manual. The rating is conditional on it in writing.
5 year warranty, sizes 10 x 10 ft through 20 x 12 ft.
No snow load published, because the question does not really apply. We will not convert the absence into a number. What we will say is that an open trellis roof does not accumulate, and that is the entire point of including it here.
Skip it if: You wanted the pergola to keep snow off something. An open roof keeps nothing off anything.
#ad Price shown as of November 11, 2026. How this site is funded
Specifications from Backyard Discovery Beaumont product page, checked 2026-09-26.
How to read a pergola snow figure
A per-square-foot load is the only kind you can compare. The Domi's 15 lb/ft² and the Outsunny's 10 lb/ft² sit on the same scale as the ground snow load published for your county. A whole-roof total — the form most gazebo manufacturers use — tells you nothing until you know the roof area.
Published capacity is a limit, not a target. A roof rated at 10 lb/ft² in a place that sees 30 lb/ft² of ground snow is not a structure with a small margin; it is the wrong structure. Snow load explained covers how ground snow and roof load relate and why they are not the same number.
An open roof removes the question entirely. A trellis of crossing rafters has no continuous surface, so there is nothing for snow to bridge. This is why wooden pergolas have survived northern winters for a century without anybody publishing a figure for them.
A louvered roof is an open roof whenever you want it to be. That is the real argument for louvers in snow country: the Domi's figure is what the roof holds closed, and the roof does not have to be closed.
And a fabric canopy is not in this conversation. Every retractable-canopy pergola here is a summer structure whose cloth comes off before winter, and the manufacturers say so.
What each roof does with snow
Published load and roof construction for every pergola on this site.
| Model | Snow load published | Roof | Wind rating |
|---|---|---|---|
| Domi louvered pergola | 15 lb/ft² | Adjustable louvers with integrated drainage | 72 mph |
| Outsunny polycarbonate pergola | Roof capacity 10 lb/ft² (50 kg/m²) | Solid polycarbonate with drainage holes | Not published by manufacturer |
| Backyard Discovery Beaumont | Not published by manufacturer | Open cedar trellis, crossing rafters | 100 mph (properly anchored) |
| PURPLE LEAF Athena | Not published by manufacturer | Adjustable aluminum louvers | 72 mph (fully secured, hardened floor) |
| PURPLE LEAF Caesar | Not published by manufacturer | Adjustable aluminum louvers | 70 mph (normal installation) |
| Yardistry 12 x 12 pergola | Not published by manufacturer | Multilevel open roof, trellis ends | Not published by manufacturer |
| Outsunny louvered pergola | Not published by manufacturer | Adjustable aluminum louvers | Not published by manufacturer |
Two rows out of seven carry a snow figure. That is the real finding of this page, and it is why the Domi wins it rather than winning on margin.
The third row is the one to think hardest about. No published load, the highest published wind rating here, and a roof snow falls straight through. For a lot of northern buyers that is the right structure and the figure they were looking for was never the relevant one.
Before the first snow
- Open the louvers and leave them open. Thirty seconds in November, and the published 15 lb/ft² stops being a number you are relying on.
- Take any fabric canopy off and store it dry. It is a consumable and a winter outdoors is what consumes it.
- Clear a solid roof rather than waiting for it to shed. Polycarbonate with drainage holes sheds water, not snow. Use a roof rake from the ground; never put weight on a pergola roof.
- Check the anchors before the ground freezes. On the Beaumont the 100 mph rating is explicitly conditional on anchoring per the manual, and frozen ground is not the time to find a loose bolt.
- Clear the drifting side first. Snow does not land evenly on a structure beside a fence or a wall, and an unbalanced load on a louvered roof is harder on the mechanism than an even one.
- And know the figure for where you are, not for the product. Wind ratings explained and snow load explained cover reading both sides of the comparison.
What we would actually do
In real snow country, buy the structure you can open — or the one with no roof surface at all. The Domi's louvers and the Beaumont's trellis are two versions of the same strategy, and both beat a solid roof with a modest published capacity.
Buy the Domi if you want the figure and the shade. 15 lb/ft², 72 mph, five years on roof and frame and a published anchoring method is the most completely documented pergola on this site.
Buy the Beaumont if winter means wind more than it means snow. 100 mph anchored is a different order of figure, and an open trellis roof has nothing to collect.
Buy the Outsunny polycarbonate only where snow is occasional. It is a rain roof with a published capacity, and that is a genuinely useful thing to be — just not in a place with a 30 lb/ft² ground snow load.
And anchor whatever you buy before winter, not after it. How to anchor a pergola covers every surface, and most durable pergolas ranks the field on the full set of published figures.
What we cut, and why
Every model below was a genuine candidate and did not make the list. The reason is stated in each case, because a shortlist with no visible rejections is not evidence of a selection process.
- PURPLE LEAF Athena and Caesar louvered pergolas
- Both publish wind figures — 72 mph fully secured and 70 mph under normal installation — and neither publishes a snow load at all. On a page about snow, that is disqualifying.
- Outsunny aluminum louvered pergola
- No wind rating and no snow load published. The least documented pergola on this site, which is a shame because the louvered roof is the right mechanism.
- Retractable-canopy pergolas (Sunjoy 10 x 12, Outsunny 10 x 13 and 10 x 10)
- A fabric canopy has to come in before snow regardless of what the frame carries. Outsunny states outright that its 10 x 10 is not recommended for storms or heavy wind and rain.
Questions people ask
What is the best pergola for snow?
How much snow can a pergola hold?
Do open pergolas need a snow load rating?
Should I open the louvers on a pergola in winter?
Is a polycarbonate pergola roof strong enough for snow?
Can you leave a retractable pergola canopy up in winter?
How do I clear snow off a pergola?
Does a snow load rating depend on the pergola's size?
Where these figures came from
- Domi Outdoor Living louvered pergola — 15 lb/ft² snow load, 72 mph wind rating, aluminum frame with adjustable louvers and integrated drainage, M6 expansion bolts into a wooden deck or concrete floor immediately after assembly, 5 years on hardtop roof and frame and 1 year on curtains and netting, sizes 10 x 10, 10 x 12, 10 x 13, 12 x 16 and 12 x 20 ft
- Outsunny hardtop polycarbonate pergola — roof weight capacity 10 lb/ft² (50 kg/m²), solid polycarbonate with drainage holes, aluminum frame, 1 year warranty, sizes 12 x 10, 14.5 x 10 and 16.5 x 10 ft, no wind rating published
- Backyard Discovery Beaumont cedar pergola — 100 mph wind rating when properly anchored, multi-level cedar trellis roof with crossing rafters, 100% cedar with 5.5 in. x 5.5 in. posts, concealed concrete anchors mandatory per the manual, 5 year warranty, sizes 10 x 10 to 20 x 12 ft
- PURPLE LEAF louvered pergola collection — Athena 72 mph fully secured with expansion screws on a hardened floor, Caesar 70 mph under normal installation, no snow load published for either
- Outsunny 10 x 10 retractable aluminum pergola — manufacturer states it is not recommended for storms or heavy wind and rain
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