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Sheridan, Wyoming climate
Dfb Warm-summer humid continental
Sheridan has a strongly seasonal cool-temperate climate (Warm-summer humid continental, Köppen Dfb). The hottest month is July with an average daily high near 90°F, while the coldest is January averaging around 12°F at night. Precipitation totals about 15 inches a year and is strongly seasonal — May alone averages 2.7 inches while December barely receives 0.56 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 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)Sheridan climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 38 | 41 | 52 | 60 | 69 | 79 | 90 | 89 | 79 | 63 | 49 | 39 |
| Avg temp (°F) | 25 | 27 | 37 | 45 | 54 | 63 | 72 | 70 | 61 | 47 | 35 | 26 |
| Avg low (°F) | 12 | 14 | 22 | 30 | 38 | 46 | 53 | 51 | 42 | 31 | 20 | 12 |
| Precipitation (in) | 0.7 | 0.7 | 1.0 | 1.7 | 2.7 | 2.0 | 1.1 | 0.7 | 1.5 | 1.7 | 0.9 | 0.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 38 | 41 | 52 | 60 | 69 | 79 |
| Avg temp (°F) | 25 | 27 | 37 | 45 | 54 | 63 |
| Avg low (°F) | 12 | 14 | 22 | 30 | 38 | 46 |
| Precipitation (in) | 0.7 | 0.7 | 1.0 | 1.7 | 2.7 | 2.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 90 | 89 | 79 | 63 | 49 | 39 |
| Avg temp (°F) | 72 | 70 | 61 | 47 | 35 | 26 |
| Avg low (°F) | 53 | 51 | 42 | 31 | 20 | 12 |
| Precipitation (in) | 1.1 | 0.7 | 1.5 | 1.7 | 0.9 | 0.6 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 65 | 66 | 66 | 68 | 66 | 56 | 46 | 46 | 49 | 59 | 63 | 64 |
| Relative humidity (%) | 67 | 64 | 60 | 59 | 57 | 53 | 45 | 41 | 45 | 56 | 62 | 66 |
| Wind speed (mph) | 7.5 | 7.6 | 7.1 | 6.9 | 6.4 | 6.0 | 5.5 | 5.6 | 6.0 | 6.6 | 6.6 | 7.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 65 | 66 | 66 | 68 | 66 | 56 |
| Relative humidity (%) | 67 | 64 | 60 | 59 | 57 | 53 |
| Wind speed (mph) | 7.5 | 7.6 | 7.1 | 6.9 | 6.4 | 6.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 46 | 46 | 49 | 59 | 63 | 64 |
| Relative humidity (%) | 45 | 41 | 45 | 56 | 62 | 66 |
| Wind speed (mph) | 5.5 | 5.6 | 6.0 | 6.6 | 6.6 | 7.0 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Sheridan County Airport, a weather station, about 4 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.