
| Month | Low | High |
|---|---|---|
| Jan | 8.7°F | 31.9°F |
| Feb | 13.9°F | 37.4°F |
| Mar | 23.5°F | 47.5°F |
| Apr | 31.3°F | 56.5°F |
| May | 40.3°F | 66.5°F |
| Jun | 48.9°F | 78.5°F |
| Jul | 55.4°F | 86.3°F |
| Aug | 54.1°F | 84.8°F |
| Sept | 44.4°F | 73.0°F |
| Oct | 33.2°F | 59.5°F |
| Nov | 18.9°F | 41.8°F |
| Dec | 9.9°F | 32.6°F |
Lander's coldest month is January when the average temperature overnight is 8.7°F. In July, the warmest month, the average day time temperature rises to 86.3°F.

| Month | Precipitation |
|---|---|
| Jan | 0.52in. |
| Feb | 0.54in. |
| Mar | 1.24in. |
| Apr | 2.07in. |
| May | 2.38in. |
| Jun | 1.15in. |
| Jul | 0.84in. |
| Aug | 0.57in. |
| Sept | 1.14in. |
| Oct | 1.37in. |
| Nov | 0.99in. |
| Dec | 0.61in. |
The driest month in Lander is January with 0.52 inches of precipitation, and with 2.38 inches May is the wettest month.