Climate averages 1991–2020
Madison weather
in April.
A cool, wet month: the 7th warmest and the joint 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cool month in Madison: daytime highs average 13.2°C and nights cool to about 2.8°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 101 mm of rain on roughly 12 days, which makes April a wet month (the joint 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 22 min on an average April day.
The nearest other city in this atlas is Rockford (93 km away). In April its highs average 14.1°C, 0.9°C warmer than Madison, with 107 mm of rain.
Among the 498 cities listed in the United States, Madison ranks joint 441st of 498 for the warmest April highs and joint 369th of 498 for the driest April (rainfall, lowest first). The mean April high of those 498 cities is 19.4°C; Madison is 6.1°C cooler than that mean.
From April to May, average highs rise by 6.6°C to 19.8°C, and monthly rainfall stays at 101 mm.
The annual picture
April in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Madison climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -2.9°C-11.6°C | -11.6°C | 41 | 7.6 | 9.49 h |
| February | -0.6°C-9.9°C | -9.9°C | 41 | 6.7 | 10.510 h |
| March | 6.3°C-3.6°C | -3.6°C | 61 | 9.2 | 11.912 h |
| April, selected | 13.2°C2.8°C | 2.8°C | 101 | 12.3 | 13.413 h |
| May | 19.8°C9.6°C | 9.6°C | 101 | 12.5 | 14.615 h |
| June | 25.1°C15.4°C | 15.4°C | 112 | 11.8 | 15.315 h |
| July | 27.1°C17.9°C | 17.9°C | 83 | 10.2 | 15.015 h |
| August | 26.1°C17.2°C | 17.2°C | 95 | 9.8 | 13.914 h |
| September | 22.1°C13.1°C | 13.1°C | 84 | 9.1 | 12.513 h |
| October | 14.8°C6.4°C | 6.4°C | 72 | 8.7 | 11.111 h |
| November | 6.7°C-0.6°C | -0.6°C | 55 | 8.0 | 9.810 h |
| December | -0.1°C-7.4°C | -7.4°C | 48 | 7.5 | 9.19 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
April in nearby cities
- Rockford in AprilUnited States · 93 kmHigh 14.1°C · Low 3.9°C · 107 mm rain
- Waukesha in AprilUnited States · 95 kmHigh 12.3°C · Low 3.1°C · 102 mm rain
- Milwaukee in AprilUnited States · 122 kmHigh 7.9°C · Low 3.0°C · 105 mm rain
- Racine in AprilUnited States · 137 kmHigh 7.4°C · Low 3.3°C · 111 mm rain
- Kenosha in AprilUnited States · 140 kmHigh 7.5°C · Low 3.4°C · 114 mm rain
- Elgin in AprilUnited States · 147 kmHigh 14.4°C · Low 4.2°C · 114 mm rain
- Waukegan in AprilUnited States · 150 kmHigh 7.9°C · Low 3.6°C · 121 mm rain
- Appleton in AprilUnited States · 154 kmHigh 11.4°C · Low 1.5°C · 81 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Madison) is explained once on the Madison year overview and on the Sources, method and limits page.