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Madison Weather by Month
Average temperatures, rainfall and humidity for Madison, United States, month by month, built from OpenWeather's historical records. Use it to see what a typical Madison month looks like before you travel — then check the live Madison forecast for the days ahead.
Warmest month
July
28°C average high
Coolest month
January
-10°C average low
Wettest month
June
124 mm of rain
Driest month
February
9 mm of rain
Average temperature and rainfall in Madison by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | -2°C | -10°C | -35°C / 14°C | 19 mm | 78% | 13 km/h |
| February | 0°C | -9°C | -28°C / 21°C | 9 mm | 74% | 14 km/h |
| March | 7°C | -2°C | -23°C / 26°C | 36 mm | 70% | 15 km/h |
| April | 14°C | 3°C | -10°C / 28°C | 73 mm | 66% | 16 km/h |
| May | 22°C | 10°C | -2°C / 35°C | 75 mm | 66% | 13 km/h |
| June | 26°C | 16°C | 3°C / 36°C | 124 mm | 69% | 14 km/h |
| July | 28°C | 17°C | 9°C / 35°C | 66 mm | 73% | 12 km/h |
| August | 27°C | 17°C | 7°C / 37°C | 67 mm | 74% | 12 km/h |
| September | 24°C | 13°C | 1°C / 35°C | 74 mm | 75% | 11 km/h |
| October | 16°C | 6°C | -5°C / 31°C | 70 mm | 73% | 14 km/h |
| November | 8°C | 0°C | -21°C / 23°C | 32 mm | 74% | 16 km/h |
| December | 1°C | -6°C | -28°C / 19°C | 27 mm | 79% | 14 km/h |
Best time to visit Madison
The most comfortable time to visit Madison is generally May and August to September, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around June, totalling about 674 mm a year.
Travellers who prefer heat should aim for July, when highs average 28°C. June is the month to avoid if rain would spoil your plans — it averages 124 mm, roughly 13× the rainfall of February.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Madison forecast for what is happening now.