Wisconsin Climate and Average Weather
Climate of Wisconsin: average temperatures, rainfall and seasons month by month.
Climate in Wisconsin month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 26° | 13° | 1,7 in | ★★☆☆☆ |
| February | 37° | 20° | 0,7 in | ★★☆☆☆ |
| March | 49° | 30° | 4,1 in | ★★☆☆☆ |
| April | 58° | 40° | 5,0 in | ★★★☆☆ |
| May | 68° | 50° | 3,1 in | ★★★★☆ |
| June | 78° | 62° | 5,4 in | ★★★★☆ |
| July | 81° | 66° | 3,3 in | ★★★★☆ |
| August | 78° | 63° | 2,2 in | ★★★★☆ |
| September | 75° | 58° | 1,6 in | ★★★★☆ |
| October | 62° | 47° | 2,2 in | ★★★★☆ |
| November | 47° | 33° | 2,2 in | ★★★☆☆ |
| December | 34° | 21° | 1,6 in | ★★☆☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
Recent extremes in Wisconsin
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Wisconsin compares with nearby places
Annual averages, and the difference against Wisconsin.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| O'Hare International Airport | 107 mi | 52°F | +34°F warmer | 41 in |
| Wicker Park | 119 mi | 52°F | +35°F warmer | 39 in |
| The Loop | 122 mi | 52°F | +35°F warmer | 40 in |
| ZIP Code 60601 | 122 mi | 52°F | +35°F warmer | 40 in |
| Area Code 312 | 122 mi | 52°F | +35°F warmer | 40 in |
Climate by city in Wisconsin
1 cities mapped in this atlas
Best time to visit Wisconsin
Go in May, July, August and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What this means for Wisconsin
Today is cooler than average for September. The forecast high of 64°F is 11.2°F below the 75°F typical for this month.
A 31% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel.
Gusts to 31 mph will push high-sided vehicles on exposed roads and bridges.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 86°F.
What to pack, what to skip
- Layers - the daily swing is 56°F, so mornings feel nothing like afternoons
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 31 mph.
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
Wisconsin is a state in United States. Wisconsin is a US state with its capital at Madison. It has a population of about 5.9 million. The capital is Madison.
Right now it is 58°F (14°C) in Wisconsin with overcast. It feels like 53°F. Today runs from 55°F to 64°F. Chance of precipitation is 31%. Sightseeing conditions score 8/10 - good conditions.
The best time to visit Wisconsin is May, July, August and September. The climate is continental. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 81°F, while January is the coldest with lows near 13°F.
The closest major airport is O'Hare International Airport (ORD), about 107 mi away. Nearby highlights include Starved Rock State Park, Lake Michigan, Indiana Dunes National Park and Mississippi River.
In plain terms. Today is cooler than average for September. The forecast high of 64°F is 11.2°F below the 75°F typical for this month. The best window to be outside is roughly 12 PM to 3 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Wisconsin today at 8.8/10. Gusts to 31 mph will push high-sided vehicles on exposed roads and bridges.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Wisconsin
| Type | State |
|---|---|
| Country | United States |
| Continent | North America |
| Coordinates | 43°4′23.2″N 89°24′4.3″W (43.0731, -89.4012) |
| Capital | Madison |
| Population | 5.900.000 |
| Area | 65.496 sq mi |
| Abbreviation | WI |
| Time zone | America/Chicago |
| Local time | 9:10 PM (UTC-05:00) |
| Best months | May, July, August and September |
| Climate | Continental |
Weather map for Wisconsin
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Wisconsin
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Wisconsin?
Wisconsin is a state in United States. Its coordinates are 43.0731, -89.4012. It lies in North America.
What is the weather like in Wisconsin right now?
It is currently 58°F (14°C) with overcast. Humidity is 80% and wind is 13 mph.
When is the best time to visit Wisconsin?
May, July, August and September offer the most comfortable conditions in Wisconsin, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Wisconsin in?
Wisconsin observes America/Chicago (UTC-05:00). The local time is 9:10 PM.
How many people live in Wisconsin?
Wisconsin has a population of approximately 5.9 million.
What is the nearest airport to Wisconsin?
The closest airports are O'Hare International Airport (ORD), 107 mi away.
What are the top things to do in Wisconsin?
Popular options include Starved Rock State Park, Lake Michigan, Indiana Dunes National Park and Mississippi River.
What places are in Wisconsin?
Wisconsin covers 1 places in this atlas, including Milwaukee.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 20, 2026 at 9:10 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
