Hornsea climate — normals and trends
Hornsea (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.5 °C and it receives 668 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 January (4.5 °C). Rainfall peaks in November.
Hornsea averages 12 frost days, 0 hot days (≥ 30 °C) and 139 rainy days per year.
Hornsea has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The number of frost days there went from about 21 to 3 per year over the period.
The hottest day of the period reached 30.1 °C (on 19 July 2022) and the coldest -8.4 °C (on 25 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
HornseaEngland
- coords
- 53.91°, -0.17°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.5°C
Average daily high
11.6°C
Average daily low
7.5°C
Annual rainfall
668mm
Sunshine / day
8.2h
Mean relative humidity
81%
Average peak wind
27.5km/h
Seasonal range
10.9°C
Frost days (< 0 °C)
12 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
139 d/yr
Annual snowfall
16.0 cm
Average feels-like high
8.2 °C
Average feels-like low
3.5 °C
Average peak gust
43.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.43 · 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
30.1 °C
19 July 2022
Coldest day
-8.4 °C
25 February 1947
Wettest day
58 mm
25 June 2007
Windiest day
74.8 km/h
31 January 1953
Strongest gust
121.0 km/h
13 January 1984
Hottest feels-like
27.2 °C
19 July 2022
Coldest feels-like
-13.6 °C
14 February 1979
Snowiest day
11.6 cm
16 March 1979
Sunniest day
16.1 h
30 June 2018
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 | 96 mm | +39 mm |
| Feb | 7.1 °C | +0.7 °C | 32 mm | -16 mm |
| Mar | 10.0 °C | +2.1 °C | 19 mm | -30 mm |
| Apr | 11.9 °C | +2.2 °C | 14 mm | -33 mm |
| May | 13.8 °C | +1.5 °C | 22 mm | -28 mm |
| Jun | 18.7 °C | +3.4 °C | 60 mm | +7 mm |
| Jul | 19.3 °C | +1.8 °C | 67 mm | +11 mm |
| Aug | 19.5 °C | +1.7 °C | 19 mm | -43 mm |
| Sep | 16.8 °C | +0.8 °C | 76 mm | +21 mm |
| Oct | 13.4 °C | +0.3 °C | 63 mm | +2 mm |
| Nov | 10.4 °C | +1.0 °C | 149 mm | +82 mm |
| Dec | 9.2 °C | +1.9 °C | 102 mm | +40 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 Hornsea?
Hornsea has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.5 °C and it receives 668 mm of precipitation per year.
What is the hottest day ever recorded in Hornsea?
The hottest day measured in Hornsea between 1940 and 2025 was 19 July 2022, reaching 30.1 °C.
What is the coldest day in Hornsea?
The coldest day measured in Hornsea between 1940 and 2025 was 25 February 1947, at -8.4 °C.
Does it snow in Hornsea?
Yes. Hornsea gets on average 16.0 cm of snow per year and has around 12 frost days.
Has the climate of Hornsea warmed?
Yes: Hornsea warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hornsea?
The wettest day measured in Hornsea between 1940 and 2025 was 25 June 2007, with 58 mm of rain in 24 hours.
What was the windiest day in Hornsea?
The windiest day measured in Hornsea between 1940 and 2025 was 31 January 1953, with winds reaching 74.8 km/h.
What is the warmest month in Hornsea?
The warmest month in Hornsea is August (15.4 °C on average); the coldest is January (4.5 °C).
How much does it rain in Hornsea?
Hornsea receives on average 668 mm of precipitation per year, spread over about 139 rainy days.
Is it sunny in Hornsea?
Hornsea 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 Hornsea?
The heaviest 24-hour snowfall measured in Hornsea between 1940 and 2025 was 16 March 1979, with 11.6 cm.
Are there tropical nights in Hornsea?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Hornsea.
What was the most extreme apparent temperature in Hornsea?
In Hornsea, between 1940 and 2025, the highest apparent temperature reached 27.2 °C on 19 July 2022, and the lowest was -13.6 °C on 14 February 1979.
Compare Hornsea with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hornsea