Hethersett climate — normals and trends
Hethersett (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.0 °C and it receives 615 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 (3.9 °C). Rainfall peaks in July.
Hethersett averages 34 frost days, 0 hot days (≥ 30 °C) and 131 rainy days per year.
Hethersett 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 51 to 17 per year over the period.
The hottest day of the period reached 35.5 °C (on 19 July 2022) and the coldest -16.0 °C (on 24 February 1947).
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
HethersettEngland
- coords
- 52.60°, 1.17°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.0°C
Average daily high
13.1°C
Average daily low
6.8°C
Annual rainfall
615mm
Sunshine / day
8.2h
Mean relative humidity
80%
Average peak wind
22.1km/h
Seasonal range
12.9°C
Frost days (< 0 °C)
34 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
131 d/yr
Annual snowfall
12.5 cm
Average feels-like high
10.2 °C
Average feels-like low
3.7 °C
Average peak gust
41.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.45 · 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
35.5 °C
19 July 2022
Coldest day
-16.0 °C
24 February 1947
Wettest day
78 mm
29 July 1969
Windiest day
68.2 km/h
16 October 1987
Strongest gust
124.6 km/h
16 October 1987
Hottest feels-like
34.9 °C
27 June 1947
Coldest feels-like
-21.1 °C
24 February 1947
Snowiest day
8.9 cm
23 January 1984
Sunniest day
16.0 h
3 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 6.0 °C | -0.1 °C | 47 mm | +2 mm |
| Feb | 7.1 °C | +0.5 °C | 46 mm | +6 mm |
| Mar | 11.8 °C | +2.8 °C | 7 mm | -38 mm |
| Apr | 14.6 °C | +2.9 °C | 13 mm | -33 mm |
| May | 17.2 °C | +2.1 °C | 38 mm | -18 mm |
| Jun | 22.5 °C | +4.2 °C | 46 mm | -9 mm |
| Jul | 22.6 °C | +2.0 °C | 101 mm | +38 mm |
| Aug | 21.9 °C | +1.3 °C | 39 mm | -23 mm |
| Sep | 18.8 °C | +0.8 °C | 36 mm | -15 mm |
| Oct | 14.4 °C | +0.2 °C | 66 mm | +15 mm |
| Nov | 11.0 °C | +1.4 °C | 91 mm | +39 mm |
| Dec | 9.3 °C | +2.1 °C | 36 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 Hethersett?
Hethersett has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.0 °C and it receives 615 mm of precipitation per year.
What is the hottest day ever recorded in Hethersett?
The hottest day measured in Hethersett between 1940 and 2025 was 19 July 2022, reaching 35.5 °C.
What is the coldest day in Hethersett?
The coldest day measured in Hethersett between 1940 and 2025 was 24 February 1947, at -16.0 °C.
Does it snow in Hethersett?
Yes. Hethersett gets on average 12.5 cm of snow per year and has around 34 frost days.
Has the climate of Hethersett warmed?
Yes: Hethersett warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hethersett?
The wettest day measured in Hethersett between 1940 and 2025 was 29 July 1969, with 78 mm of rain in 24 hours.
What was the windiest day in Hethersett?
The windiest day measured in Hethersett between 1940 and 2025 was 16 October 1987, with winds reaching 68.2 km/h.
What is the warmest month in Hethersett?
The warmest month in Hethersett is July (16.8 °C on average); the coldest is January (3.9 °C).
How much does it rain in Hethersett?
Hethersett receives on average 615 mm of precipitation per year, spread over about 131 rainy days.
Is it sunny in Hethersett?
Hethersett gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.
What is the biggest single-day snowfall in Hethersett?
The heaviest 24-hour snowfall measured in Hethersett between 1940 and 2025 was 23 January 1984, with 8.9 cm.
Are there tropical nights in Hethersett?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Hethersett.
What was the most extreme apparent temperature in Hethersett?
In Hethersett, between 1940 and 2025, the highest apparent temperature reached 34.9 °C on 27 June 1947, and the lowest was -21.1 °C on 24 February 1947.
Compare Hethersett with another city
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Nearby cities
The climate around Hethersett