Brookfield, WI Weather & Climate Normals
What a normal year in Brookfield actually looks like
On the 30-year record NOAA keeps for Brookfield, WI, the comfort score comes out to 48/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Brookfield's weather actually swings
Average temperatures in Brookfield run from 20°F in Jan up to 71°F in Jul, a 51.3°F seasonal swing, one of the widest gaps in this dataset.
Brookfield, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 28°F | 12°F | 1.59in |
| Feb | 32°F | 15°F | 1.56in |
| Mar | 42°F | 25°F | 2.06in |
| Apr | 54°F | 35°F | 3.71in |
| May | 67°F | 47°F | 3.94in |
| Jun | 77°F | 56°F | 4.8in |
| Jul | 81°F | 61°F | 3.82in |
| Aug | 79°F | 60°F | 3.97in |
| Sep | 72°F | 51°F | 3.21in |
| Oct | 59°F | 40°F | 3.09in |
| Nov | 45°F | 29°F | 2.19in |
| Dec | 33°F | 19°F | 1.96in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Brookfield's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Brookfield actually gets
Brookfield averages 35.9in of precipitation a year across roughly 135 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Brookfield against the rest of the country
Out of 4876 cities scored here, Brookfield comes in at 2323; within WI alone it ranks 12 of 157. Population is about 41,268.
Checking the actual forecast
These figures come from Brookfield Wwtp, WI US, the NOAA station 3.1 miles from Brookfield, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · Why this uses the nearest NOAA station