West Allis, WI
Climate overview — based on NOAA 1991-2020 normals from WEST ALLIS, WI US.
Year-round temperatures (°F)
Climate summary
West Allis has an annual average temperature of 49.1°F with about 39.4 inches of precipitation per year and 52.3 inches of snow. The warmest month is July (average high 84.7°F), and the coldest is January (average low 14.7°F). June is typically the wettest month (5.03 in) and February the driest (2.15 in). Snow typically falls from November through April.
Best time to visit West Allis
Full guide →Climate change signal
All-time records →36 of 366 (9.8%) of West Allis's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1950s | 54 | |
| 1960s | 73 | |
| 1970s | 61 | |
| 1980s | 42 | |
| 1990s | 5 | |
| 2000s | 82 | |
| 2010s | 13 | |
| 2020s | 36 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 30.8°F | 14.7°F | 22.8°F | 2.23 in | 13.5 in | 10 |
| February | 33.9°F | 17.1°F | 25.5°F | 2.15 in | 13.6 in | 11 |
| March | 45.1°F | 26.6°F | 35.9°F | 2.53 in | 8.3 in | 11 |
| April | 56.8°F | 36.5°F | 46.6°F | 3.70 in | 2.1 in | 11 |
| May | 69.8°F | 47.6°F | 58.7°F | 4.32 in | — | 14 |
| June | 79.9°F | 58.1°F | 69.0°F | 5.03 in | — | 13 |
| July | 84.7°F | 63.1°F | 73.9°F | 3.73 in | — | 10 |
| August | 83.0°F | 61.9°F | 72.4°F | 4.34 in | — | 10 |
| September | 76.5°F | 54.3°F | 65.4°F | 3.69 in | — | 9 |
| October | 61.9°F | 42.0°F | 52.0°F | 3.08 in | 0.1 in | 12 |
| November | 47.5°F | 30.2°F | 38.9°F | 2.31 in | 1.4 in | 11 |
| December | 36.2°F | 20.6°F | 28.4°F | 2.25 in | 13.3 in | 12 |
Climate twins of West Allis
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).