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Ascona vs Crested Butte
Comparing Ascona change · Crested Butte change
Ascona is the warmer of the two — about 21°F on the annual average; Ascona is the wetter, with 38 in more rain a year, and Crested Butte the sunnier.
How the seasons compare
The differences between Ascona and Crested Butte, in everyday terms.
Summers
Ascona has hotter summers
Ascona: Warm
Crested Butte: Mild
Winters
Ascona has far milder winters
Ascona: Chilly
Crested Butte: Bitterly cold
Rain & snow
Ascona is much wetter
Ascona: Very wet
Crested Butte: Moderate rainfall
Sky
Crested Butte is sunnier
Ascona: Often cloudy
Crested Butte: Partly cloudy
Month-by-month charts
Temperature
Ascona is the warmer of the two — about 21°F on the annual average.
Precipitation
Ascona is the wetter — about 38 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) Ascona runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ascona | 45 | 48 | 56 | 62 | 69 | 77 | 81 | 80 | 72 | 62 | 53 | 46 |
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 | 76 | 74 | 66 | 55 | 40 | 27 |
| Difference | -19 | -18 | -18 | -16 | -11 | -6 | -5 | -7 | -5 | -8 | -13 | -19 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Ascona | 45 | 48 | 56 | 62 | 69 | 77 |
| Crested Butte | 26 | 30 | 38 | 47 | 58 | 71 |
| Difference | -19 | -18 | -18 | -16 | -11 | -6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Ascona | 81 | 80 | 72 | 62 | 53 | 46 |
| Crested Butte | 76 | 74 | 66 | 55 | 40 | 27 |
| Difference | -5 | -7 | -5 | -8 | -13 | -19 |
Avg low (°F) Ascona runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ascona | 34 | 35 | 41 | 47 | 54 | 61 | 64 | 64 | 58 | 50 | 42 | 36 |
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 | 39 | 39 | 31 | 22 | 9 | -4 |
| Difference | -40 | -37 | -34 | -28 | -26 | -27 | -25 | -26 | -26 | -28 | -33 | -39 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Ascona | 34 | 35 | 41 | 47 | 54 | 61 |
| Crested Butte | -6 | -2 | 7 | 19 | 28 | 34 |
| Difference | -40 | -37 | -34 | -28 | -26 | -27 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Ascona | 64 | 64 | 58 | 50 | 42 | 36 |
| Crested Butte | 39 | 39 | 31 | 22 | 9 | -4 |
| Difference | -25 | -26 | -26 | -28 | -33 | -39 |
Precipitation (in) Ascona runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ascona | 2.6 | 2.4 | 3 | 5.4 | 7 | 6.8 | 6.2 | 6.2 | 6.5 | 5.9 | 6.6 | 3.1 |
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Difference | +0.1 | +0.1 | -0.9 | -3.4 | -5.5 | -5.8 | -4.2 | -4.3 | -4.6 | -4.2 | -4.6 | -0.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Ascona | 2.6 | 2.4 | 3 | 5.4 | 7 | 6.8 |
| Crested Butte | 2.7 | 2.5 | 2.1 | 2 | 1.5 | 0.9 |
| Difference | +0.1 | +0.1 | -0.9 | -3.4 | -5.5 | -5.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Ascona | 6.2 | 6.2 | 6.5 | 5.9 | 6.6 | 3.1 |
| Crested Butte | 2 | 2 | 1.9 | 1.7 | 2 | 2.3 |
| Difference | -4.2 | -4.3 | -4.6 | -4.2 | -4.6 | -0.9 |
Snowfall (in)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ascona | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 |
|---|---|---|---|---|---|---|
| Ascona | — | — | — | — | — | — |
| Crested Butte | 41.7 | 35.3 | 27.3 | 18 | 6.9 | 0.3 |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Ascona | — | — | — | — | — | — |
| Crested Butte | 0 | 0 | 1 | 8.1 | 26.1 | 34.6 |
| Difference | — | — | — | — | — | — |
Cloud cover (%) Ascona runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ascona | 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 |
|---|---|---|---|---|---|---|
| Ascona | 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 |
|---|---|---|---|---|---|---|
| Ascona | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ascona | 75 | 73 | 71 | 71 | 72 | 71 | 68 | 68 | 72 | 77 | 78 | 75 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | +16 | +21 | +19 | +5 | -8 | -19 | -12 | -9 | -15 | -15 | -2 | +13 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Ascona | 75 | 73 | 71 | 71 | 72 | 71 |
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 |
| Difference | +16 | +21 | +19 | +5 | -8 | -19 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Ascona | 68 | 68 | 72 | 77 | 78 | 75 |
| Crested Butte | 56 | 59 | 57 | 63 | 77 | 89 |
| Difference | -12 | -9 | -15 | -15 | -2 | +13 |
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. Ascona trends → · Crested Butte trends →
Methodology & sources
Ascona
Temperature & precipitation — the official 1991–2020 climate normals from a national meteorological service, measured at Lugano, about 22 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 Ascona · change Crested Butte → · Ascona page · Crested Butte page