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Lander, Wyoming climate
Dsa Mediterranean-influenced hot-summer humid continental
Lander has a strongly seasonal cool-temperate climate (Mediterranean-influenced hot-summer humid continental, Köppen Dsa). The hottest month is July with an average daily high near 32°C, while the coldest is January averaging around −12°C at night. Precipitation totals about 336 mm a year and is strongly seasonal — May alone averages 70 mm while August barely receives 12 mm.
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)Lander climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 2 | 4 | 10 | 15 | 20 | 27 | 32 | 31 | 25 | 16 | 8 | 1 |
| Avg temp (°C) | −5 | −3 | 3 | 7 | 12 | 18 | 22 | 22 | 16 | 8 | 1 | −5 |
| Avg low (°C) | −12 | −10 | −5 | −1 | 4 | 9 | 13 | 12 | 7 | 0 | −6 | −12 |
| Precipitation (mm) | 12 | 17 | 31 | 52 | 70 | 31 | 17 | 12 | 25 | 36 | 20 | 15 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 2 | 4 | 10 | 15 | 20 | 27 |
| Avg temp (°C) | −5 | −3 | 3 | 7 | 12 | 18 |
| Avg low (°C) | −12 | −10 | −5 | −1 | 4 | 9 |
| Precipitation (mm) | 12 | 17 | 31 | 52 | 70 | 31 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 32 | 31 | 25 | 16 | 8 | 1 |
| Avg temp (°C) | 22 | 22 | 16 | 8 | 1 | −5 |
| Avg low (°C) | 13 | 12 | 7 | 0 | −6 | −12 |
| Precipitation (mm) | 17 | 12 | 25 | 36 | 20 | 15 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 59 | 61 | 62 | 60 | 46 | 42 | 43 | 41 | 50 | 54 | 59 |
| Relative humidity (%) | 66 | 64 | 60 | 57 | 54 | 46 | 39 | 37 | 42 | 53 | 59 | 66 |
| Wind speed (mph) | 7.7 | 7.5 | 7.0 | 6.1 | 5.2 | 5.0 | 4.4 | 4.4 | 4.8 | 5.4 | 6.5 | 7.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 59 | 61 | 62 | 60 | 46 |
| Relative humidity (%) | 66 | 64 | 60 | 57 | 54 | 46 |
| Wind speed (mph) | 7.7 | 7.5 | 7.0 | 6.1 | 5.2 | 5.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 42 | 43 | 41 | 50 | 54 | 59 |
| Relative humidity (%) | 39 | 37 | 42 | 53 | 59 | 66 |
| Wind speed (mph) | 4.4 | 4.4 | 4.8 | 5.4 | 6.5 | 7.3 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at Hunt Field Airport, a weather station, about 2 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.