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Chamonix-Mont-Blanc vs Crested Butte
Comparing Chamonix-Mont-Blanc change · Crested Butte change
Chamonix-Mont-Blanc is the warmer of the two — about 12°F on the annual average; Chamonix-Mont-Blanc is the wetter, with 26 in more rain a year, and Crested Butte the sunnier.
How the seasons compare
The differences between Chamonix-Mont-Blanc and Crested Butte, in everyday terms.
Summers
Summers are nearly the same
Chamonix-Mont-Blanc: Mild
Crested Butte: Mild
Winters
Chamonix-Mont-Blanc has far milder winters
Chamonix-Mont-Blanc: Cold
Crested Butte: Bitterly cold
Rain & snow
Chamonix-Mont-Blanc is wetter
Chamonix-Mont-Blanc: Wet
Crested Butte: Moderate rainfall
Sky
Crested Butte is sunnier
Chamonix-Mont-Blanc: Often cloudy
Crested Butte: Partly cloudy
Month-by-month charts
Temperature
Chamonix-Mont-Blanc is the warmer of the two — about 12°F on the annual average.
Precipitation
Chamonix-Mont-Blanc is the wetter — about 26 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) Chamonix-Mont-Blanc runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 38 | 42 | 50 | 57 | 65 | 72 | 76 | 75 | 67 | 59 | 47 | 37 |
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 | 76 | 74 | 66 | 55 | 40 | 27 |
| Difference | -12 | -12 | -12 | -11 | -7 | -2 | — | -2 | -1 | -4 | -7 | -10 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 38 | 42 | 50 | 57 | 65 | 72 |
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 |
| Difference | -12 | -12 | -12 | -11 | -7 | -2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 76 | 75 | 67 | 59 | 47 | 37 |
| Crested Butte | 76 | 74 | 66 | 55 | 40 | 27 |
| Difference | — | -2 | -1 | -4 | -7 | -10 |
Avg low (°F) Chamonix-Mont-Blanc runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 20 | 21 | 28 | 34 | 41 | 47 | 49 | 48 | 43 | 37 | 29 | 23 |
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 | 39 | 39 | 31 | 22 | 9 | -4 |
| Difference | -26 | -23 | -20 | -14 | -13 | -13 | -10 | -10 | -12 | -15 | -20 | -26 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 20 | 21 | 28 | 34 | 41 | 47 |
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 |
| Difference | -26 | -23 | -20 | -14 | -13 | -13 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 49 | 48 | 43 | 37 | 29 | 23 |
| Crested Butte | 39 | 39 | 31 | 22 | 9 | -4 |
| Difference | -10 | -10 | -12 | -15 | -20 | -26 |
Precipitation (in) Chamonix-Mont-Blanc runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 3.9 | 3.1 | 3.3 | 3.5 | 4.9 | 4.9 | 5 | 5.1 | 3.8 | 4.2 | 3.9 | 4.5 |
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Difference | -1.2 | -0.5 | -1.2 | -1.5 | -3.4 | -3.9 | -3.1 | -3.2 | -1.8 | -2.5 | -1.9 | -2.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 3.9 | 3.1 | 3.3 | 3.5 | 4.9 | 4.9 |
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 |
| Difference | -1.2 | -0.5 | -1.2 | -1.5 | -3.4 | -3.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 5 | 5.1 | 3.8 | 4.2 | 3.9 | 4.5 |
| Crested Butte | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Difference | -3.1 | -3.2 | -1.8 | -2.5 | -1.9 | -2.2 |
Snowfall (in) Crested Butte runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 20.5 | 17.8 | 8.2 | 4.9 | 0.3 | 0 | 0 | 0 | 0 | 0.6 | 9.3 | 22 |
| Crested Butte | 41.7 | 35.3 | 27.3 | 18 | 6.9 | 0.3 | 0 | 0 | 1 | 8.1 | 26.1 | 34.6 |
| Difference | +21.1 | +17.5 | +19.2 | +13.1 | +6.6 | +0.3 | — | — | +1 | +7.5 | +16.8 | +12.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 20.5 | 17.8 | 8.2 | 4.9 | 0.3 | 0 |
| Crested Butte | 41.7 | 35.3 | 27.3 | 18 | 6.9 | 0.3 |
| Difference | +21.1 | +17.5 | +19.2 | +13.1 | +6.6 | +0.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 0 | 0 | 0 | 0.6 | 9.3 | 22 |
| Crested Butte | 0 | 0 | 1 | 8.1 | 26.1 | 34.6 |
| Difference | — | — | +1 | +7.5 | +16.8 | +12.6 |
Cloud cover (%) Chamonix-Mont-Blanc runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 66 | 67 | 69 | 72 | 73 | 65 | 56 | 56 | 60 | 64 | 68 | 68 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | -11 | -7 | -9 | -9 | -12 | -19 | — | +2 | -14 | -20 | -19 | -14 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 66 | 67 | 69 | 72 | 73 | 65 |
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 |
| Difference | -11 | -7 | -9 | -9 | -12 | -19 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 56 | 56 | 60 | 64 | 68 | 68 |
| Crested Butte | 57 | 58 | 46 | 44 | 49 | 54 |
| Difference | — | +2 | -14 | -20 | -19 | -14 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 85 | 86 | 86 | 80 | 78 | 77 | 75 | 73 | 77 | 79 | 84 | 84 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | +6 | +8 | +3 | -4 | -14 | -25 | -19 | -14 | -20 | -16 | -8 | +4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 85 | 86 | 86 | 80 | 78 | 77 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 |
| Difference | +6 | +8 | +3 | -4 | -14 | -25 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Chamonix-Mont-Blanc | 75 | 73 | 77 | 79 | 84 | 84 |
| Crested Butte | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | -19 | -14 | -20 | -16 | -8 | +4 |
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. Chamonix-Mont-Blanc trends → · Crested Butte trends →
Methodology & sources
Chamonix-Mont-Blanc
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Chamonix, a weather station, inside the city. 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.
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 Chamonix-Mont-Blanc · change Crested Butte → · Chamonix-Mont-Blanc page · Crested Butte page