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Cypress Mountain Climate Change Profile

Overall 21

Winter Resilience Score

More climate-resilient than 11% of Western resorts · 21% of all North American resorts

#135 of 152 in the West · #173 of 220 overall

What goes into it, compared with Western resorts:

  • Season length at +2°C 20% better than 17%
  • Rain on the snowpack at +2°C 40% better than 17%
  • Snowmaking weather at +2°C 10% better than 1%
  • Terrain orientation 30% better than 13%

* A ranking against the North American resorts we rate, not a grade out of 100: 100 = most resilient in the field, 50 = middle of the pack. Higher scores mean the resort's terrain and weather profile are more resilient in preserving winter conditions, both today and in a future of warmer temperatures.

Cypress Mountain Climate Change Takeaways

  • Rain potential: About 18% of winter precipitation falls as rain today, rising to about 44% with 2°C of warming. Ranks #142 of 152 Western resorts for rain resilience (#208 of 220 overall).
  • Season length: About 153 naturally skiable days a season today (Nov–Apr); about 95 with 2°C of warming (58 fewer).
  • Snow preservation: Terrain faces mostly southeast and gets about 13% more winter sun than neutral terrain. Its orientation holds snow better than 11% of Western resorts (9% of all North American resorts).
  • Base area viability: At risk: the 2,990' base has about 134 naturally skiable days a season today, about 25 at +2°C.

Cypress Mountain Rain Resiliency Score

5

Less rain risk than 5% of Western resorts · 5% of all North American resorts

#142 of 152 in the West · #208 of 220 overall

About 18.1% of winter precipitation falls as rain today, about 44% at +2°C.

How well Cypress Mountain's winter precipitation holds up as snow rather than rain. We rebuilt 40 winters of hourly weather at the resort's base, mid-mountain and peak, then estimated whether each hour's precipitation fell as rain or snow from temperature and humidity. To see what warming would do, we re-ran the same winters 1°C and 2°C warmer. The score is a ranking, not a grade: 100 = least rain risk in the field, 50 = middle of the pack.

Rain % of winter precipitation, Dec 1 – Apr 15
i

1986–2006 2006–2026 +1°C rise*(mid 2030s) +2°C rise*(2050)
5,000' Peak 1.3% 1.7% 4.3% 9.9%
3,990' Mid 8.7% 10.8% 19.7% 35.2%
2,990' Base 33.0% 36.6% 53.6% 71.1%

The first two columns are the real observed weather record, split into two equal halves. * The +1°C and +2°C columns are stress tests: the full observed record replayed with that much warming added, so they show sensitivity to warming, not a forecast for a specific year. Elevations are rounded to the nearest 10 ft.

Cypress Mountain Season Length

153 days

More naturally skiable days than 56% of Western resorts · 69% of all North American resorts

#68 of 152 in the West · #68 of 220 overall

153 of 181 possible days today (Nov–Apr), about 95 at +2°C.

How many days a season Cypress Mountain has enough natural snow to ski, November through April. We simulated the snowpack day by day for 40 winters at the base, mid-mountain and peak — snow piling up, melting on warm days, and getting eaten away by rain — then ran the same winters 1°C and 2°C warmer.

Naturally skiable days, Nov 1 – Apr 30
i

Today +1°C rise*(mid 2030s) +2°C rise*(2050)
5,000' Peak 174 169 160
3,990' Mid 160 151 133
2,990' Base 134 84 25
Skiable by Christmas 90% → 53% of winters with a skiable base on Dec 20, today → +2°C
Rain-on-snow days 8.3 → 8.6 per season with real rain (5+ mm) falling on the snowpack — slush, then ice
Snowmaking hours 340 → 140 hours cold enough to make snow at the base, Nov–Dec
Why rain matters more than you'd think

Warmer winters don't just turn some snowfall into rain. Rain also eats away the snow that's already on the ground, in four ways:

  1. The rain itself is warm. This is the smallest effect — a soaking rain only melts a sliver of snow directly.
  2. Rainstorms bring warm, humid air. When moist air hits the snow, water condenses on the surface and releases heat. That's the main reason a single warm storm can wipe out a foot of base in a day.
  3. Rain primes the snowpack to melt. Cold snow soaks up rain and refreezes it, which warms the whole pack. Once it's soaked and at the melting point, every warm hour after that goes straight to melting.
  4. Rain wrecks the surface. Even when the base survives, rain leaves slush that freezes into ice. That's why we count rain-on-snow days separately — they hurt your ski day even when the snowpack doesn't disappear.

Our model simulates all four, using a simplified version of the snowmelt model the U.S. National Weather Service uses for river forecasting.

Natural snow only — no snowmaking or grooming, so resorts that make a lot of snow stay open longer than these numbers. “Skiable” means at least 3 inches of snow-water in the snowpack (roughly a 12–18 inch settled base). Snowfall is scaled to match Cypress Mountain's average snowfall. Melt follows the sun on Cypress Mountain's actual runs: shady, north-facing slopes hold snow longer than sunny ones. * Stress tests, not forecasts: the same winters replayed warmer. The model was checked against real snowpack measurements at 105 SNOTEL stations in the western U.S.; there are no SNOTEL stations near Cypress Mountain, so treat these numbers as a rougher estimate.

Cypress Mountain Snow Preservation Score

+13% more sun

Terrain holds snow better than 11% of Western resorts · 9% of all North American resorts

#133 of 150 in the West · #196 of 216 overall

Cypress Mountain's runs get 13% more winter sun than the same slopes would facing every direction equally. Typical resort: 17% less.

How well Cypress Mountain's runs are oriented to hold onto snow. North-facing slopes get less direct sun and keep snow longer; south-facing slopes lose it faster. We measured the direction and steepness of 171 mapped runs and compared the sunshine they receive with what the same slopes would get if they faced every direction equally, so this score reflects terrain orientation only, not latitude or elevation (those are covered by the rain score above).

Share of mapped terrain facing each direction. Trail data © OpenStreetMap contributors via OpenSkiMap.