Southaven climate — normals and trends
Southaven (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.4 °C and it receives 1,207 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 (4.3 °C). Rainfall peaks in March.
Southaven averages 47 frost days, 87 hot days (≥ 30 °C) and 114 rainy days per year.
Southaven has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The number of frost days there went from about 53 to 41 per year over the period.
The hottest day of the period reached 40.9 °C (on 3 August 2011) and the coldest -20.7 °C (on 20 January 1985).
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
SouthavenMississippi
- coords
- 34.99°, -90.01°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.4°C
Average daily high
21.5°C
Average daily low
11.6°C
Annual rainfall
1,207mm
Sunshine / day
9.4h
Mean relative humidity
70%
Average peak wind
15.1km/h
Seasonal range
22.9°C
Frost days (< 0 °C)
47 d/yr
Hot days (≥ 30 °C)
87 d/yr
Rainy days (≥ 1 mm)
114 d/yr
Annual snowfall
10.5 cm
Average feels-like high
21.7 °C
Average feels-like low
10.5 °C
Average peak gust
34.8 km/h
Tropical nights (≥ 20 °C)
94 d/yr
Solar radiation
16.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.22 · 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
40.9 °C
3 August 2011
Coldest day
-20.7 °C
20 January 1985
Wettest day
138 mm
19 December 2002
Windiest day
41.0 km/h
30 August 2005
Strongest gust
111.6 km/h
25 March 2024
Hottest feels-like
45.2 °C
3 August 2011
Coldest feels-like
-28.0 °C
20 January 1985
Snowiest day
16.1 cm
10 January 2025
Sunniest day
14.0 h
24 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 | 7.5 °C | -1.5 °C | 97 mm | -8 mm |
| Feb | 12.6 °C | +1.1 °C | 132 mm | +23 mm |
| Mar | 20.3 °C | +3.9 °C | 102 mm | -32 mm |
| Apr | 23.8 °C | +2.0 °C | 264 mm | +135 mm |
| May | 25.0 °C | -1.2 °C | 172 mm | +56 mm |
| Jun | 30.8 °C | +0.2 °C | 162 mm | +80 mm |
| Jul | 32.6 °C | +0.4 °C | 31 mm | -55 mm |
| Aug | 31.5 °C | -0.4 °C | 26 mm | -46 mm |
| Sep | 30.2 °C | +1.5 °C | 48 mm | -27 mm |
| Oct | 24.2 °C | +1.1 °C | 135 mm | +54 mm |
| Nov | 18.0 °C | +1.9 °C | 51 mm | -49 mm |
| Dec | 11.9 °C | +0.9 °C | 44 mm | -73 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 Southaven?
Southaven has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.4 °C and it receives 1,207 mm of precipitation per year.
What is the hottest day ever recorded in Southaven?
The hottest day measured in Southaven between 1940 and 2025 was 3 August 2011, reaching 40.9 °C.
What is the coldest day in Southaven?
The coldest day measured in Southaven between 1940 and 2025 was 20 January 1985, at -20.7 °C.
Does it snow in Southaven?
Yes. Southaven gets on average 10.5 cm of snow per year and has around 47 frost days.
Has the climate of Southaven warmed?
Yes: Southaven warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Southaven?
The wettest day measured in Southaven between 1940 and 2025 was 19 December 2002, with 138 mm of rain in 24 hours.
What was the windiest day in Southaven?
The windiest day measured in Southaven between 1940 and 2025 was 30 August 2005, with winds reaching 41.0 km/h.
What is the warmest month in Southaven?
The warmest month in Southaven is July (27.2 °C on average); the coldest is January (4.3 °C).
How much does it rain in Southaven?
Southaven receives on average 1,207 mm of precipitation per year, spread over about 114 rainy days.
Is it sunny in Southaven?
Southaven 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 Southaven?
The heaviest 24-hour snowfall measured in Southaven between 1940 and 2025 was 10 January 2025, with 16.1 cm.
Are there tropical nights in Southaven?
Yes: Southaven has on average 94 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Southaven?
In Southaven, between 1940 and 2025, the highest apparent temperature reached 45.2 °C on 3 August 2011, and the lowest was -28.0 °C on 20 January 1985.
Compare Southaven with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Southaven