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Crested Butte, Colorado climate
Dfc Subarctic
Crested Butte has a strongly seasonal subarctic climate (Subarctic, Köppen Dfc). The hottest month is July with an average daily high near 25°C, while the coldest is January averaging around −21°C at night. Around 601 mm of precipitation falls each year, peaking in January (69 mm) and easing off in June (24 mm). Snowfall is heavy (506 cm of snow per year on average).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation split into rain and snow · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Crested Butte climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | −3 | −1 | 4 | 8 | 15 | 21 | 25 | 23 | 19 | 13 | 4 | −3 |
| Avg temp (°C) | −12 | −10 | −5 | 1 | 6 | 11 | 14 | 13 | 9 | 4 | −4 | −11 |
| Avg low (°C) | −21 | −19 | −14 | −7 | −2 | 1 | 4 | 4 | 0 | −6 | −13 | −20 |
| Precipitation (mm) | 69 | 65 | 54 | 51 | 38 | 24 | 50 | 50 | 49 | 43 | 51 | 57 |
| Snowfall (cm) | 106 | 90 | 69 | 46 | 17 | 1 | — | — | 3 | 20 | 66 | 88 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | −3 | −1 | 4 | 8 | 15 | 21 |
| Avg temp (°C) | −12 | −10 | −5 | 1 | 6 | 11 |
| Avg low (°C) | −21 | −19 | −14 | −7 | −2 | 1 |
| Precipitation (mm) | 69 | 65 | 54 | 51 | 38 | 24 |
| Snowfall (cm) | 106 | 90 | 69 | 46 | 17 | 1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 23 | 19 | 13 | 4 | −3 |
| Avg temp (°C) | 14 | 13 | 9 | 4 | −4 | −11 |
| Avg low (°C) | 4 | 4 | 0 | −6 | −13 | −20 |
| Precipitation (mm) | 50 | 50 | 49 | 43 | 51 | 57 |
| Snowfall (cm) | — | — | 3 | 20 | 66 | 88 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 12 | 10 | 10 | 8 | 6 | 10 | 12 | 10 | 8 | 9 | 11 |
| Days with low ≤ 0°C (days) | 31 | 28 | 31 | 29 | 24 | 13 | 2 | 3 | 18 | 28 | 30 | 31 |
| Days with snowfall ≥ 2.5 cm (days) | 10 | 9 | 8 | 7 | 2 | 0.1 | — | — | 0.4 | 3 | 7 | 9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 12 | 10 | 10 | 8 | 6 |
| Days with low ≤ 0°C (days) | 31 | 28 | 31 | 29 | 24 | 13 |
| Days with snowfall ≥ 2.5 cm (days) | 10 | 9 | 8 | 7 | 2 | 0.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 12 | 10 | 8 | 9 | 11 |
| Days with low ≤ 0°C (days) | 2 | 3 | 18 | 28 | 30 | 31 |
| Days with snowfall ≥ 2.5 cm (days) | — | — | 0.4 | 3 | 7 | 9 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 54 | 60 | 60 | 63 | 61 | 46 | 57 | 58 | 46 | 44 | 49 | 54 |
| Relative humidity (%) | 91 | 94 | 89 | 76 | 64 | 52 | 56 | 59 | 57 | 63 | 77 | 89 |
| Wind speed (km/h) | 3.7 | 4.0 | 3.8 | 3.4 | 2.3 | 1.7 | 1.2 | 1.3 | 1.6 | 2.0 | 2.9 | 3.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 54 | 60 | 60 | 63 | 61 | 46 |
| Relative humidity (%) | 91 | 94 | 89 | 76 | 64 | 52 |
| Wind speed (km/h) | 3.7 | 4.0 | 3.8 | 3.4 | 2.3 | 1.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 58 | 46 | 44 | 49 | 54 |
| Relative humidity (%) | 56 | 59 | 57 | 63 | 77 | 89 |
| Wind speed (km/h) | 1.2 | 1.3 | 1.6 | 2.0 | 2.9 | 3.5 |
Methodology & sources
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.