Heysham climate — normals and trends
Heysham (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.8 °C and it receives 1,343 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 August (15.4 °C on average) and the coldest is February (4.7 °C). Rainfall peaks in December.
Heysham averages 9 frost days, 0 hot days (≥ 30 °C) and 191 rainy days per year.
Heysham has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The number of frost days there went from about 17 to 1 per year over the period.
The hottest day of the period reached 26.8 °C (on 19 July 2022) and the coldest -7.3 °C (on 23 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
HeyshamEngland
- coords
- 54.04°, -2.89°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.8°C
Average daily high
11.3°C
Average daily low
8.3°C
Annual rainfall
1,343mm
Sunshine / day
7.9h
Mean relative humidity
82%
Average peak wind
28.7km/h
Seasonal range
10.7°C
Frost days (< 0 °C)
9 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
191 d/yr
Annual snowfall
15.1 cm
Average feels-like high
8.1 °C
Average feels-like low
4.1 °C
Average peak gust
43.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.37 · 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
26.8 °C
19 July 2022
Coldest day
-7.3 °C
23 February 1947
Wettest day
64 mm
1 October 1981
Windiest day
86.2 km/h
24 December 1997
Strongest gust
151.6 km/h
24 December 1997
Hottest feels-like
28.6 °C
9 August 2003
Coldest feels-like
-12.7 °C
23 January 1963
Snowiest day
12.9 cm
16 January 1955
Sunniest day
16.4 h
30 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 | 5.8 °C | -0.4 °C | 124 mm | -2 mm |
| Feb | 6.8 °C | +0.7 °C | 63 mm | -33 mm |
| Mar | 9.6 °C | +2.2 °C | 37 mm | -54 mm |
| Apr | 12.6 °C | +3.0 °C | 33 mm | -41 mm |
| May | 15.0 °C | +2.4 °C | 68 mm | -9 mm |
| Jun | 16.8 °C | +1.7 °C | 147 mm | +65 mm |
| Jul | 18.1 °C | +1.4 °C | 90 mm | -10 mm |
| Aug | 18.4 °C | +1.5 °C | 83 mm | -40 mm |
| Sep | 15.7 °C | +0.3 °C | 261 mm | +127 mm |
| Oct | 13.1 °C | +0.4 °C | 154 mm | +6 mm |
| Nov | 10.3 °C | +0.9 °C | 249 mm | +104 mm |
| Dec | 8.7 °C | +1.2 °C | 210 mm | +61 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 Heysham?
Heysham has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.8 °C and it receives 1,343 mm of precipitation per year.
What is the hottest day ever recorded in Heysham?
The hottest day measured in Heysham between 1940 and 2025 was 19 July 2022, reaching 26.8 °C.
What is the coldest day in Heysham?
The coldest day measured in Heysham between 1940 and 2025 was 23 February 1947, at -7.3 °C.
Does it snow in Heysham?
Yes. Heysham gets on average 15.1 cm of snow per year and has around 9 frost days.
Has the climate of Heysham warmed?
Yes: Heysham warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Heysham?
The wettest day measured in Heysham between 1940 and 2025 was 1 October 1981, with 64 mm of rain in 24 hours.
What was the windiest day in Heysham?
The windiest day measured in Heysham between 1940 and 2025 was 24 December 1997, with winds reaching 86.2 km/h.
What is the warmest month in Heysham?
The warmest month in Heysham is August (15.4 °C on average); the coldest is February (4.7 °C).
How much does it rain in Heysham?
Heysham receives on average 1,343 mm of precipitation per year, spread over about 191 rainy days.
Is it sunny in Heysham?
Heysham gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Heysham?
The heaviest 24-hour snowfall measured in Heysham between 1940 and 2025 was 16 January 1955, with 12.9 cm.
Are there tropical nights in Heysham?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Heysham.
What was the most extreme apparent temperature in Heysham?
In Heysham, between 1940 and 2025, the highest apparent temperature reached 28.6 °C on 9 August 2003, and the lowest was -12.7 °C on 23 January 1963.
Compare Heysham with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Heysham