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Crested Butte vs San Francisco
Comparing Crested Butte change · San Francisco change
San Francisco is the warmer of the two — about 13°C on the annual average.
How the seasons compare
The differences between Crested Butte and San Francisco, in everyday terms.
Summers
Crested Butte has hotter summers
Crested Butte: Mild
San Francisco: Mild
Winters
San Francisco has far milder winters
Crested Butte: Bitterly cold
San Francisco: Cool
Rain & snow
Similar yearly rainfall
Crested Butte: Moderate rainfall
San Francisco: Moderate rainfall
Sky
Similar amounts of sun
Crested Butte: Partly cloudy
San Francisco: Partly cloudy
Month-by-month charts
Temperature
San Francisco is the warmer of the two — about 13°C on the annual average.
Precipitation
Both cities get a similar amount of precipitation across the year.
Clear skies
The two cities see a similar amount of sun.
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 (°C) San Francisco runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 | 25 | 23 | 19 | 13 | 4 | -3 |
| San Francisco | 14 | 16 | 17 | 17 | 18 | 19 | 19 | 20 | 21 | 21 | 18 | 14 |
| Difference | +18 | +17 | +13 | +9 | +3 | -2 | -6 | -3 | +2 | +8 | +13 | +17 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | -3 | -1 | 4 | 8 | 15 | 21 |
| San Francisco | 14 | 16 | 17 | 17 | 18 | 19 |
| Difference | +18 | +17 | +13 | +9 | +3 | -2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 25 | 23 | 19 | 13 | 4 | -3 |
| San Francisco | 19 | 20 | 21 | 21 | 18 | 14 |
| Difference | -6 | -3 | +2 | +8 | +13 | +17 |
Avg low (°C) San Francisco runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 | 4 | 4 | -0 | -6 | -13 | -20 |
| San Francisco | 8 | 9 | 9 | 10 | 11 | 12 | 12 | 13 | 13 | 12 | 10 | 8 |
| Difference | +29 | +28 | +23 | +17 | +13 | +11 | +8 | +9 | +13 | +18 | +23 | +28 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | -21 | -19 | -14 | -7 | -2 | 1 |
| San Francisco | 8 | 9 | 9 | 10 | 11 | 12 |
| Difference | +29 | +28 | +23 | +17 | +13 | +11 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 4 | 4 | -0 | -6 | -13 | -20 |
| San Francisco | 12 | 13 | 13 | 12 | 10 | 8 |
| Difference | +8 | +9 | +13 | +18 | +23 | +28 |
Precipitation (mm) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 | 50 | 50 | 49 | 43 | 51 | 57 |
| San Francisco | 112 | 111 | 80 | 41 | 18 | 5 | 0 | 2 | 3 | 24 | 66 | 121 |
| Difference | +42 | +46 | +26 | -10 | -21 | -19 | -50 | -49 | -46 | -19 | +15 | +64 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | 69 | 65 | 54 | 51 | 38 | 24 |
| San Francisco | 112 | 111 | 80 | 41 | 18 | 5 |
| Difference | +42 | +46 | +26 | -10 | -21 | -19 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 50 | 50 | 49 | 43 | 51 | 57 |
| San Francisco | 0 | 2 | 3 | 24 | 66 | 121 |
| Difference | -50 | -49 | -46 | -19 | +15 | +64 |
Snowfall (cm)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 | 0 | 0 | 3 | 20 | 66 | 88 |
| San Francisco | — | — | — | — | — | — | — | — | — | — | — | — |
| Difference | — | — | — | — | — | — | — | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | 106 | 90 | 69 | 46 | 17 | 1 |
| San Francisco | — | — | — | — | — | — |
| Difference | — | — | — | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 0 | 0 | 3 | 20 | 66 | 88 |
| San Francisco | — | — | — | — | — | — |
| Difference | — | — | — | — | — | — |
Cloud cover (%) San Francisco runs higher most of the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 | 57 | 58 | 46 | 44 | 49 | 54 |
| San Francisco | 60 | 61 | 60 | 55 | 54 | 48 | 58 | 59 | 51 | 47 | 51 | 57 |
| Difference | +6 | +1 | — | -8 | -7 | +1 | +2 | +1 | +5 | +3 | +2 | +4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | 54 | 60 | 60 | 63 | 61 | 46 |
| San Francisco | 60 | 61 | 60 | 55 | 54 | 48 |
| Difference | +6 | +1 | — | -8 | -7 | +1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 57 | 58 | 46 | 44 | 49 | 54 |
| San Francisco | 58 | 59 | 51 | 47 | 51 | 57 |
| Difference | +2 | +1 | +5 | +3 | +2 | +4 |
Relative humidity (%) Varies through the year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 | 56 | 59 | 57 | 63 | 77 | 89 |
| San Francisco | 84 | 83 | 82 | 80 | 78 | 74 | 74 | 73 | 70 | 69 | 76 | 82 |
| Difference | -7 | -11 | -7 | +4 | +14 | +22 | +18 | +14 | +13 | +7 | — | -7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Crested Butte | 91 | 94 | 89 | 76 | 64 | 52 |
| San Francisco | 84 | 83 | 82 | 80 | 78 | 74 |
| Difference | -7 | -11 | -7 | +4 | +14 | +22 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Crested Butte | 56 | 59 | 57 | 63 | 77 | 89 |
| San Francisco | 74 | 73 | 70 | 69 | 76 | 82 |
| Difference | +18 | +14 | +13 | +7 | — | -7 |
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. Crested Butte trends → · San Francisco trends →
Methodology & sources
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.
San Francisco
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at San Francisco Dwtn (NOAA GHCN station USW00023272), inside the city.
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 Crested Butte · change San Francisco → · Crested Butte page · San Francisco page