Waukesha, WI
Climate overview — based on NOAA 1991-2020 normals from WAUKESHA WWTP, WI US.
Year-round temperatures (°F)
Climate summary
Waukesha has an annual average temperature of 46.6°F with about 36 inches of precipitation per year and 36.9 inches of snow. The warmest month is July (average high 81.4°F), and the coldest is January (average low 11.6°F). June is typically the wettest month (4.88 in) and January the driest (1.60 in). Snow typically falls from November through April.
Best time to visit Waukesha
Full guide →Climate change signal
All-time records →10 of 366 (2.7%) of Waukesha'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.
| 1890s | 11 | |
| 1900s | 6 | |
| 1910s | 33 | |
| 1920s | 22 | |
| 1930s | 66 | |
| 1940s | 35 | |
| 1950s | 36 | |
| 1960s | 22 | |
| 1970s | 18 | |
| 1980s | 29 | |
| 1990s | 34 | |
| 2000s | 26 | |
| 2010s | 18 | |
| 2020s | 10 |
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 | 27.7°F | 11.6°F | 19.7°F | 1.60 in | 10.4 in | 9 |
| February | 31.5°F | 14.6°F | 23.0°F | 1.71 in | 10.1 in | 8 |
| March | 43.0°F | 24.0°F | 33.5°F | 1.93 in | 4.6 in | 8 |
| April | 55.3°F | 34.8°F | 45.1°F | 3.65 in | 1.1 in | 11 |
| May | 67.3°F | 45.8°F | 56.6°F | 3.97 in | — | 13 |
| June | 77.4°F | 55.6°F | 66.5°F | 4.88 in | — | 11 |
| July | 81.4°F | 60.3°F | 70.9°F | 3.99 in | — | 9 |
| August | 79.8°F | 58.9°F | 69.4°F | 4.18 in | — | 9 |
| September | 72.9°F | 51.1°F | 62.0°F | 3.27 in | — | 9 |
| October | 60.0°F | 39.8°F | 49.9°F | 2.92 in | 0.1 in | 10 |
| November | 45.0°F | 28.3°F | 36.7°F | 2.15 in | 1.8 in | 9 |
| December | 33.0°F | 18.1°F | 25.5°F | 1.70 in | 8.8 in | 9 |
Climate twins of Waukesha
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).