Madison climate — normals and trends
Madison (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.0 °C and it receives 1,173 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (27.2 °C on average) and the coldest is January (7.5 °C). Rainfall peaks in March.
Madison averages 30 frost days, 107 hot days (≥ 30 °C) and 117 rainy days per year.
Madison has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.1 °C (on 28 August 1943) and the coldest -19.7 °C (on 12 January 1962).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
MadisonMississippi
- coords
- 32.46°, -90.12°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.0°C
Average daily high
23.7°C
Average daily low
13.0°C
Annual rainfall
1,173mm
Sunshine / day
9.4h
Mean relative humidity
73%
Average peak wind
14.4km/h
Seasonal range
19.7°C
Frost days (< 0 °C)
30 d/yr
Hot days (≥ 30 °C)
107 d/yr
Rainy days (≥ 1 mm)
117 d/yr
Annual snowfall
3.0 cm
Average feels-like high
24.4 °C
Average feels-like low
12.6 °C
Average peak gust
32.6 km/h
Tropical nights (≥ 20 °C)
109 d/yr
Solar radiation
16.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.18 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
41.1 °C
28 August 1943
Coldest day
-19.7 °C
12 January 1962
Wettest day
185 mm
5 September 2011
Windiest day
65.7 km/h
29 August 2005
Strongest gust
149.4 km/h
29 August 2005
Hottest feels-like
45.3 °C
24 August 2023
Coldest feels-like
-25.0 °C
12 January 1962
Snowiest day
11.6 cm
9 January 1962
Sunniest day
14.0 h
30 May 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 11.4 °C | -1.4 °C | 109 mm | -11 mm |
| Feb | 17.8 °C | +2.6 °C | 89 mm | -22 mm |
| Mar | 22.2 °C | +2.8 °C | 180 mm | +45 mm |
| Apr | 26.2 °C | +2.3 °C | 106 mm | -8 mm |
| May | 27.4 °C | -0.5 °C | 189 mm | +89 mm |
| Jun | 31.2 °C | -0.3 °C | 112 mm | +37 mm |
| Jul | 32.9 °C | +0.5 °C | 54 mm | -40 mm |
| Aug | 32.0 °C | -0.7 °C | 100 mm | +24 mm |
| Sep | 31.6 °C | +1.5 °C | 29 mm | -48 mm |
| Oct | 26.6 °C | +1.5 °C | 105 mm | +33 mm |
| Nov | 20.6 °C | +1.8 °C | 51 mm | -38 mm |
| Dec | 15.8 °C | +1.4 °C | 51 mm | -61 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Madison?
Madison has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 1,173 mm of precipitation per year.
What is the hottest day ever recorded in Madison?
The hottest day measured in Madison between 1940 and 2025 was 28 August 1943, reaching 41.1 °C.
What is the coldest day in Madison?
The coldest day measured in Madison between 1940 and 2025 was 12 January 1962, at -19.7 °C.
Does it snow in Madison?
Yes. Madison gets on average 3.0 cm of snow per year and has around 30 frost days.
Has the climate of Madison warmed?
Yes: Madison warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Madison?
The wettest day measured in Madison between 1940 and 2025 was 5 September 2011, with 185 mm of rain in 24 hours.
What was the windiest day in Madison?
The windiest day measured in Madison between 1940 and 2025 was 29 August 2005, with winds reaching 65.7 km/h.
What is the warmest month in Madison?
The warmest month in Madison is July (27.2 °C on average); the coldest is January (7.5 °C).
How much does it rain in Madison?
Madison receives on average 1,173 mm of precipitation per year, spread over about 117 rainy days.
Is it sunny in Madison?
Madison gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
What is the biggest single-day snowfall in Madison?
The heaviest 24-hour snowfall measured in Madison between 1940 and 2025 was 9 January 1962, with 11.6 cm.
Are there tropical nights in Madison?
Yes: Madison has on average 109 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Madison?
In Madison, between 1940 and 2025, the highest apparent temperature reached 45.3 °C on 24 August 2023, and the lowest was -25.0 °C on 12 January 1962.
Compare Madison with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Madison