Cottage Grove, WI Weather & Climate Normals
What a normal year in Cottage Grove actually looks like
On the 30-year record NOAA keeps for Cottage Grove, 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 Cottage Grove's weather actually swings
Average temperatures in Cottage Grove run from 19°F in Jan up to 72°F in Jul, a 52.4°F seasonal swing, one of the widest gaps in this dataset.
Cottage Grove, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 28°F | 11°F | 1.67in |
| Feb | 32°F | 14°F | 1.71in |
| Mar | 44°F | 25°F | 2.34in |
| Apr | 57°F | 36°F | 4.22in |
| May | 69°F | 47°F | 4.55in |
| Jun | 78°F | 57°F | 5.74in |
| Jul | 82°F | 61°F | 4.7in |
| Aug | 81°F | 59°F | 4.08in |
| Sep | 74°F | 51°F | 3.92in |
| Oct | 61°F | 39°F | 2.99in |
| Nov | 46°F | 29°F | 2.34in |
| Dec | 33°F | 18°F | 1.92in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Cottage Grove's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Cottage Grove actually gets
Cottage Grove averages 40.18in of precipitation a year across roughly 116 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Cottage Grove against the rest of the country
Out of 4876 cities scored here, Cottage Grove comes in at 2440; within WI alone it ranks 30 of 157. Population is about 8,974.
Checking the actual forecast
These figures come from Uw Arboretum - Madison, WI US, the NOAA station 11.8 miles from Cottage Grove, 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