Brookfield, WI
Climate overview — based on NOAA 1991-2020 normals from BROOKFIELD WWTP, WI US.
Year-round temperatures (°F)
Climate summary
Brookfield has an annual average temperature of 46.6°F with about 35.9 inches of precipitation per year. The warmest month is July (average high 81.2°F), and the coldest is January (average low 12.2°F). June is typically the wettest month (4.80 in) and February the driest (1.56 in).
Best time to visit Brookfield
Full guide →Climate change signal
All-time records →226 of 366 (61.7%) of Brookfield'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.
| 2000s | 42 | |
| 2010s | 203 | |
| 2020s | 121 |
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 | 12.2°F | 19.9°F | 1.59 in | — | 11 |
| February | 31.5°F | 15.0°F | 23.3°F | 1.56 in | — | 11 |
| March | 42.4°F | 24.6°F | 33.5°F | 2.06 in | — | 9 |
| April | 54.3°F | 34.8°F | 44.5°F | 3.71 in | — | 13 |
| May | 66.5°F | 46.6°F | 56.5°F | 3.94 in | — | 14 |
| June | 76.6°F | 55.9°F | 66.3°F | 4.80 in | — | 12 |
| July | 81.2°F | 61.4°F | 71.3°F | 3.82 in | — | 9 |
| August | 79.2°F | 60.2°F | 69.7°F | 3.97 in | — | 11 |
| September | 72.2°F | 51.3°F | 61.8°F | 3.21 in | — | 10 |
| October | 59.4°F | 40.2°F | 49.8°F | 3.09 in | — | 13 |
| November | 45.1°F | 28.5°F | 36.8°F | 2.19 in | — | 10 |
| December | 33.1°F | 18.7°F | 25.9°F | 1.96 in | — | 12 |
Climate twins of Brookfield
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).