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Arosa vs Crested Butte
Comparing Arosa change · Crested Butte change
Arosa is the warmer of the two — about 4°F on the annual average; Arosa is the wetter, with 23 in more rain a year, and Crested Butte the sunnier.
How the seasons compare
The differences between Arosa and Crested Butte, in everyday terms.
Summers
Crested Butte has far hotter summers
Arosa: Cool
Crested Butte: Mild
Winters
Arosa has far milder winters
Arosa: Very cold
Crested Butte: Bitterly cold
Rain & snow
Arosa is wetter
Arosa: Wet
Crested Butte: Moderate rainfall
Sky
Crested Butte is sunnier
Arosa: Often cloudy
Crested Butte: Partly cloudy
Month-by-month charts
Temperature
Arosa is the warmer of the two — about 4°F on the annual average.
Precipitation
Arosa is the wetter — about 23 in more across the year.
Clear skies
Crested Butte has the clearer skies — the higher line.
Exact monthly numbers
Tap a metric to open its full table. Desktop shows all twelve months; on a phone each metric splits into Jan–Jun and Jul–Dec.
Avg high (°F) Crested Butte runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Arosa | 31 | 31 | 36 | 41 | 49 | 57 | 60 | 60 | 53 | 47 | 38 | 32 |
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 | 76 | 74 | 66 | 55 | 40 | 27 |
| Difference | -5 | -1 | +3 | +5 | +9 | +14 | +16 | +13 | +13 | +7 | +2 | -5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Arosa | 31 | 31 | 36 | 41 | 49 | 57 |
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 |
| Difference | -5 | -1 | +3 | +5 | +9 | +14 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Arosa | 60 | 60 | 53 | 47 | 38 | 32 |
| Crested Butte | 76 | 74 | 66 | 55 | 40 | 27 |
| Difference | +16 | +13 | +13 | +7 | +2 | -5 |
Avg low (°F) Arosa runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Arosa | 20 | 19 | 23 | 29 | 37 | 42 | 46 | 47 | 40 | 35 | 27 | 22 |
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 | 39 | 39 | 31 | 22 | 9 | -4 |
| Difference | -26 | -20 | -16 | -10 | -8 | -9 | -7 | -8 | -9 | -13 | -18 | -26 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Arosa | 20 | 19 | 23 | 29 | 37 | 42 |
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 |
| Difference | -26 | -20 | -16 | -10 | -8 | -9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Arosa | 46 | 47 | 40 | 35 | 27 | 22 |
| Crested Butte | 39 | 39 | 31 | 22 | 9 | -4 |
| Difference | -7 | -8 | -9 | -13 | -18 | -26 |
Precipitation (in) Arosa runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Arosa | 3 | 2.5 | 2.9 | 3 | 3.8 | 5.2 | 5.4 | 6.2 | 4.1 | 3.5 | 3.5 | 3.2 |
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Difference | -0.3 | — | -0.8 | -1 | -2.3 | -4.3 | -3.4 | -4.2 | -2.2 | -1.8 | -1.5 | -0.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Arosa | 3 | 2.5 | 2.9 | 3 | 3.8 | 5.2 |
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 |
| Difference | -0.3 | — | -0.8 | -1 | -2.3 | -4.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Arosa | 5.4 | 6.2 | 4.1 | 3.5 | 3.5 | 3.2 |
| Crested Butte | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Difference | -3.4 | -4.2 | -2.2 | -1.8 | -1.5 | -0.9 |
Snowfall (in)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Arosa | — | — | — | — | — | — | — | — | — | — | — | — |
| Crested Butte | 41.7 | 35.3 | 27.3 | 18 | 6.9 | 0.3 | 0 | 0 | 1 | 8.1 | 26.1 | 34.6 |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Arosa | — | — | — | — | — | — |
| Crested Butte | 41.7 | 35.3 | 27.3 | 18 | 6.9 | 0.3 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Arosa | — | — | — | — | — | — |
| Crested Butte | 0 | 0 | 1 | 8.1 | 26.1 | 34.6 |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Arosa runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Arosa | 68 | 70 | 72 | 75 | 75 | 69 | 62 | 61 | 63 | 65 | 70 | 70 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | -13 | -10 | -13 | -12 | -14 | -23 | -5 | -3 | -18 | -22 | -22 | -16 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Arosa | 68 | 70 | 72 | 75 | 75 | 69 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 |
| Difference | -13 | -10 | -13 | -12 | -14 | -23 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Arosa | 62 | 61 | 63 | 65 | 70 | 70 |
| Crested Butte | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | -5 | -3 | -18 | -22 | -22 | -16 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Arosa | 88 | 89 | 87 | 80 | 79 | 79 | 80 | 81 | 83 | 84 | 87 | 88 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | +3 | +5 | +3 | -4 | -14 | -27 | -24 | -22 | -26 | -21 | -11 | +1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Arosa | 88 | 89 | 87 | 80 | 79 | 79 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 |
| Difference | +3 | +5 | +3 | -4 | -14 | -27 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Arosa | 80 | 81 | 83 | 84 | 87 | 88 |
| Crested Butte | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | -24 | -22 | -26 | -21 | -11 | +1 |
How both climates are changing
Both cities are warming. Each city has its own warming trend; see its trends page for the year-by-year detail. Arosa trends → · Crested Butte trends →
Methodology & sources
Arosa
Temperature & precipitation — the official 1991–2020 climate normals from a national meteorological service, measured at Arosa, about 2 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.
Crested Butte
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Crested Butte, a weather station, about 1 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.
← change Arosa · change Crested Butte → · Arosa page · Crested Butte page