Mildenhall climate — normals and trends
Mildenhall (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.9 °C and it receives 623 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 (16.8 °C on average) and the coldest is January (3.8 °C). Rainfall peaks in August.
Mildenhall averages 39 frost days, 1 hot days (≥ 30 °C) and 128 rainy days per year.
Mildenhall has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 57 to 21 per year over the period.
The hottest day of the period reached 36.2 °C (on 19 July 2022) and the coldest -15.7 °C (on 23 January 1963).
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
MildenhallEngland
- coords
- 52.34°, 0.51°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.9°C
Average daily high
13.2°C
Average daily low
6.7°C
Annual rainfall
623mm
Sunshine / day
7.6h
Mean relative humidity
80%
Average peak wind
22.0km/h
Seasonal range
13.0°C
Frost days (< 0 °C)
39 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
128 d/yr
Annual snowfall
13.8 cm
Average feels-like high
10.3 °C
Average feels-like low
3.5 °C
Average peak gust
41.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.47 · 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
36.2 °C
19 July 2022
Coldest day
-15.7 °C
23 January 1963
Wettest day
50 mm
20 June 1973
Windiest day
67.4 km/h
16 October 1987
Strongest gust
126.7 km/h
18 January 2007
Hottest feels-like
36.4 °C
25 July 2019
Coldest feels-like
-19.8 °C
23 January 1963
Snowiest day
14.0 cm
4 March 1970
Sunniest day
16.0 h
3 June 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 | 6.1 °C | 0.0 °C | 56 mm | +7 mm |
| Feb | 7.3 °C | +0.6 °C | 48 mm | +7 mm |
| Mar | 12.4 °C | +3.1 °C | 13 mm | -33 mm |
| Apr | 15.7 °C | +3.6 °C | 19 mm | -29 mm |
| May | 17.9 °C | +2.4 °C | 26 mm | -31 mm |
| Jun | 23.0 °C | +4.4 °C | 33 mm | -24 mm |
| Jul | 23.0 °C | +2.2 °C | 72 mm | +15 mm |
| Aug | 22.5 °C | +1.9 °C | 29 mm | -31 mm |
| Sep | 18.8 °C | +0.7 °C | 37 mm | -14 mm |
| Oct | 14.4 °C | +0.3 °C | 63 mm | +9 mm |
| Nov | 11.1 °C | +1.6 °C | 97 mm | +44 mm |
| Dec | 9.3 °C | +2.2 °C | 38 mm | -13 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 Mildenhall?
Mildenhall has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.9 °C and it receives 623 mm of precipitation per year.
What is the hottest day ever recorded in Mildenhall?
The hottest day measured in Mildenhall between 1940 and 2025 was 19 July 2022, reaching 36.2 °C.
What is the coldest day in Mildenhall?
The coldest day measured in Mildenhall between 1940 and 2025 was 23 January 1963, at -15.7 °C.
Does it snow in Mildenhall?
Yes. Mildenhall gets on average 13.8 cm of snow per year and has around 39 frost days.
Has the climate of Mildenhall warmed?
Yes: Mildenhall warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mildenhall?
The wettest day measured in Mildenhall between 1940 and 2025 was 20 June 1973, with 50 mm of rain in 24 hours.
What was the windiest day in Mildenhall?
The windiest day measured in Mildenhall between 1940 and 2025 was 16 October 1987, with winds reaching 67.4 km/h.
What is the warmest month in Mildenhall?
The warmest month in Mildenhall is July (16.8 °C on average); the coldest is January (3.8 °C).
How much does it rain in Mildenhall?
Mildenhall receives on average 623 mm of precipitation per year, spread over about 128 rainy days.
Is it sunny in Mildenhall?
Mildenhall gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mildenhall?
The heaviest 24-hour snowfall measured in Mildenhall between 1940 and 2025 was 4 March 1970, with 14.0 cm.
Are there tropical nights in Mildenhall?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Mildenhall.
What was the most extreme apparent temperature in Mildenhall?
In Mildenhall, between 1940 and 2025, the highest apparent temperature reached 36.4 °C on 25 July 2019, and the lowest was -19.8 °C on 23 January 1963.
Compare Mildenhall with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mildenhall