Climate of Wisconsin, USA
Area-weighted average across Wisconsin. For where people actually live and travel, see the cities below.
Wisconsin, a subdivision of United States of America, has a strongly continental climate on average. Area-weighted monthly temperatures across the whole territory range from -9.9°C / 14.2°F in January to 20.5°C / 68.9°F in July, with rainfall from 25 mm / 1 in to 102 mm / 4 in depending on the season (812 mm / 32 in total across the year). See the 2 cities listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -9.9°C14.2°F | 30 mm1.2″ | Snowy |
| February | -7°C19.4°F | 25 mm1″ | Snowy |
| March | -1.2°C29.8°F | 50 mm2″ | Snowy |
| April | 5.9°C42.6°F | 70 mm2.8″ | — |
| May | 12.6°C54.7°F | 85 mm3.3″ | — |
| June | 17.6°C63.7°F | 97 mm3.8″ | — |
| July | 20.5°C68.9°F | 95 mm3.7″ | — |
| August | 19.5°C67.1°F | 102 mm4″ | — |
| September | 14.9°C58.8°F | 100 mm3.9″ | — |
| October | 8.7°C47.7°F | 65 mm2.6″ | — |
| November | 0.9°C33.6°F | 54 mm2.1″ | Snowy |
| December | -6.4°C20.5°F | 39 mm1.5″ | Snowy |
Frequently asked questions
What is the best time to visit Wisconsin?
Wisconsin, United States of America does not have a clear sunny-and-dry window by our cutoffs. The warmest month is July at 20.5°C / 68.9°F, and the driest is February at 25 mm / 1 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Wisconsin?
Wisconsin, United States of America has area-weighted monthly average temperatures ranging from -9.9°C / 14.2°F in January to 20.5°C / 68.9°F in July. Annual rainfall averages about 812 mm / 32 in, with the wettest month being August (102 mm / 4 in) and the driest February (25 mm / 1 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Wisconsin?
The hottest month in Wisconsin is July, with an area-wide average temperature of 20.5°C / 68.9°F.
What is the coldest month in Wisconsin?
The coldest month in Wisconsin is January, with an area-wide average temperature of -9.9°C / 14.2°F.
When does it rain most in Wisconsin?
The wettest month in Wisconsin is August, averaging about 102 mm / 4 in of rainfall. The driest is February with about 25 mm / 1 in.