Warminster climate — normals and trends
Warminster (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.9 °C and it receives 753 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 (16.3 °C on average) and the coldest is January (4.3 °C). Rainfall peaks in October.
Warminster averages 39 frost days, 0 hot days (≥ 30 °C) and 136 rainy days per year.
Warminster has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 53 to 25 per year over the period.
The hottest day of the period reached 33.6 °C (on 18 July 2022) and the coldest -20.4 °C (on 21 January 1940).
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
WarminsterEngland
- coords
- 51.20°, -2.18°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.9°C
Average daily high
13.1°C
Average daily low
6.6°C
Annual rainfall
753mm
Sunshine / day
7.7h
Mean relative humidity
82%
Average peak wind
21.4km/h
Seasonal range
12.0°C
Frost days (< 0 °C)
39 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
136 d/yr
Annual snowfall
12.0 cm
Average feels-like high
10.4 °C
Average feels-like low
3.7 °C
Average peak gust
41.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.44 · 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
33.6 °C
18 July 2022
Coldest day
-20.4 °C
21 January 1940
Wettest day
45 mm
17 August 1977
Windiest day
71.0 km/h
25 January 1990
Strongest gust
137.9 km/h
25 January 1990
Hottest feels-like
35.6 °C
28 July 1947
Coldest feels-like
-25.4 °C
21 January 1940
Snowiest day
14.4 cm
8 January 1982
Sunniest day
16.0 h
4 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 | 6.8 °C | +0.2 °C | 100 mm | +33 mm |
| Feb | 7.8 °C | +0.7 °C | 63 mm | +8 mm |
| Mar | 12.2 °C | +2.8 °C | 15 mm | -44 mm |
| Apr | 16.2 °C | +4.1 °C | 43 mm | -13 mm |
| May | 18.5 °C | +3.2 °C | 35 mm | -32 mm |
| Jun | 20.9 °C | +2.7 °C | 63 mm | +4 mm |
| Jul | 23.1 °C | +3.0 °C | 47 mm | -11 mm |
| Aug | 22.3 °C | +2.5 °C | 36 mm | -30 mm |
| Sep | 17.6 °C | +0.1 °C | 87 mm | +27 mm |
| Oct | 14.3 °C | +0.4 °C | 73 mm | +4 mm |
| Nov | 11.5 °C | +1.7 °C | 117 mm | +48 mm |
| Dec | 9.5 °C | +1.9 °C | 100 mm | +32 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 Warminster?
Warminster has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.9 °C and it receives 753 mm of precipitation per year.
What is the hottest day ever recorded in Warminster?
The hottest day measured in Warminster between 1940 and 2025 was 18 July 2022, reaching 33.6 °C.
What is the coldest day in Warminster?
The coldest day measured in Warminster between 1940 and 2025 was 21 January 1940, at -20.4 °C.
Does it snow in Warminster?
Yes. Warminster gets on average 12.0 cm of snow per year and has around 39 frost days.
Has the climate of Warminster warmed?
Yes: Warminster warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Warminster?
The wettest day measured in Warminster between 1940 and 2025 was 17 August 1977, with 45 mm of rain in 24 hours.
What was the windiest day in Warminster?
The windiest day measured in Warminster between 1940 and 2025 was 25 January 1990, with winds reaching 71.0 km/h.
What is the warmest month in Warminster?
The warmest month in Warminster is July (16.3 °C on average); the coldest is January (4.3 °C).
How much does it rain in Warminster?
Warminster receives on average 753 mm of precipitation per year, spread over about 136 rainy days.
Is it sunny in Warminster?
Warminster gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.
What is the biggest single-day snowfall in Warminster?
The heaviest 24-hour snowfall measured in Warminster between 1940 and 2025 was 8 January 1982, with 14.4 cm.
Are there tropical nights in Warminster?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Warminster.
What was the most extreme apparent temperature in Warminster?
In Warminster, between 1940 and 2025, the highest apparent temperature reached 35.6 °C on 28 July 1947, and the lowest was -25.4 °C on 21 January 1940.
Compare Warminster with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Warminster