Sidmouth climate — normals and trends
Sidmouth (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.4 °C and it receives 682 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 (16.5 °C on average) and the coldest is January (5.1 °C). Rainfall peaks in October.
Sidmouth averages 26 frost days, 0 hot days (≥ 30 °C) and 126 rainy days per year.
Sidmouth has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 37 to 15 per year over the period.
The hottest day of the period reached 31.3 °C (on 13 August 2022) and the coldest -13.7 °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
SidmouthEngland
- coords
- 50.69°, -3.24°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.4°C
Average daily high
13.4°C
Average daily low
7.4°C
Annual rainfall
682mm
Sunshine / day
8.1h
Mean relative humidity
83%
Average peak wind
22.5km/h
Seasonal range
11.4°C
Frost days (< 0 °C)
26 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
126 d/yr
Annual snowfall
8.0 cm
Average feels-like high
10.7 °C
Average feels-like low
4.5 °C
Average peak gust
42.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.38 · 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
31.3 °C
13 August 2022
Coldest day
-13.7 °C
21 January 1940
Wettest day
49 mm
28 September 1991
Windiest day
71.5 km/h
25 January 1990
Strongest gust
132.5 km/h
25 January 1990
Hottest feels-like
34.7 °C
27 June 1976
Coldest feels-like
-19.3 °C
21 January 1940
Snowiest day
16.7 cm
19 February 1978
Sunniest day
15.9 h
17 June 2010
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 | 7.6 °C | +0.2 °C | 109 mm | +47 mm |
| Feb | 8.4 °C | +0.8 °C | 61 mm | +10 mm |
| Mar | 11.7 °C | +2.1 °C | 11 mm | -43 mm |
| Apr | 15.3 °C | +3.2 °C | 65 mm | +13 mm |
| May | 18.3 °C | +3.1 °C | 23 mm | -37 mm |
| Jun | 20.4 °C | +2.2 °C | 65 mm | +13 mm |
| Jul | 22.3 °C | +2.3 °C | 39 mm | -9 mm |
| Aug | 21.8 °C | +2.1 °C | 40 mm | -14 mm |
| Sep | 17.4 °C | -0.1 °C | 77 mm | +24 mm |
| Oct | 14.7 °C | +0.5 °C | 55 mm | -11 mm |
| Nov | 12.0 °C | +1.6 °C | 97 mm | +32 mm |
| Dec | 9.8 °C | +1.5 °C | 128 mm | +65 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 Sidmouth?
Sidmouth has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.4 °C and it receives 682 mm of precipitation per year.
What is the hottest day ever recorded in Sidmouth?
The hottest day measured in Sidmouth between 1940 and 2025 was 13 August 2022, reaching 31.3 °C.
What is the coldest day in Sidmouth?
The coldest day measured in Sidmouth between 1940 and 2025 was 21 January 1940, at -13.7 °C.
Does it snow in Sidmouth?
Yes. Sidmouth gets on average 8.0 cm of snow per year and has around 26 frost days.
Has the climate of Sidmouth warmed?
Yes: Sidmouth warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sidmouth?
The wettest day measured in Sidmouth between 1940 and 2025 was 28 September 1991, with 49 mm of rain in 24 hours.
What was the windiest day in Sidmouth?
The windiest day measured in Sidmouth between 1940 and 2025 was 25 January 1990, with winds reaching 71.5 km/h.
What is the warmest month in Sidmouth?
The warmest month in Sidmouth is July (16.5 °C on average); the coldest is January (5.1 °C).
How much does it rain in Sidmouth?
Sidmouth receives on average 682 mm of precipitation per year, spread over about 126 rainy days.
Is it sunny in Sidmouth?
Sidmouth gets on average 8.1 hours of sunshine per day, roughly 2,957 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sidmouth?
The heaviest 24-hour snowfall measured in Sidmouth between 1940 and 2025 was 19 February 1978, with 16.7 cm.
Are there tropical nights in Sidmouth?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Sidmouth.
What was the most extreme apparent temperature in Sidmouth?
In Sidmouth, between 1940 and 2025, the highest apparent temperature reached 34.7 °C on 27 June 1976, and the lowest was -19.3 °C on 21 January 1940.
Compare Sidmouth with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sidmouth