Hassocks climate — normals and trends
Hassocks (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.3 °C and it receives 649 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 (16.9 °C on average) and the coldest is January (4.5 °C). Rainfall peaks in November.
Hassocks averages 33 frost days, 0 hot days (≥ 30 °C) and 122 rainy days per year.
Hassocks 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 48 to 18 per year over the period.
The hottest day of the period reached 33.6 °C (on 19 July 2022) and the coldest -14.4 °C (on 10 February 1986).
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
HassocksEngland
- coords
- 50.93°, -0.17°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.3°C
Average daily high
13.4°C
Average daily low
7.2°C
Annual rainfall
649mm
Sunshine / day
8.1h
Mean relative humidity
81%
Average peak wind
22.5km/h
Seasonal range
12.4°C
Frost days (< 0 °C)
33 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
9.2 cm
Average feels-like high
10.6 °C
Average feels-like low
4.1 °C
Average peak gust
42.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.3 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
19 July 2022
Coldest day
-14.4 °C
10 February 1986
Wettest day
39 mm
8 August 1992
Windiest day
80.8 km/h
16 October 1987
Strongest gust
144.0 km/h
30 October 2000
Hottest feels-like
34.8 °C
25 July 2019
Coldest feels-like
-19.2 °C
10 February 1986
Snowiest day
12.3 cm
9 January 1968
Sunniest day
16.0 h
30 May 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 | +0.1 °C | 103 mm | +44 mm |
| Feb | 7.6 °C | +0.5 °C | 47 mm | -1 mm |
| Mar | 11.9 °C | +2.5 °C | 14 mm | -33 mm |
| Apr | 15.9 °C | +3.7 °C | 25 mm | -21 mm |
| May | 17.8 °C | +2.4 °C | 28 mm | -25 mm |
| Jun | 21.6 °C | +3.1 °C | 29 mm | -18 mm |
| Jul | 23.0 °C | +2.5 °C | 71 mm | +22 mm |
| Aug | 22.0 °C | +1.6 °C | 26 mm | -27 mm |
| Sep | 18.1 °C | +0.1 °C | 57 mm | +5 mm |
| Oct | 14.8 °C | +0.5 °C | 69 mm | +5 mm |
| Nov | 11.6 °C | +1.5 °C | 91 mm | +23 mm |
| Dec | 9.7 °C | +2.0 °C | 73 mm | +10 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 Hassocks?
Hassocks has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.3 °C and it receives 649 mm of precipitation per year.
What is the hottest day ever recorded in Hassocks?
The hottest day measured in Hassocks between 1940 and 2025 was 19 July 2022, reaching 33.6 °C.
What is the coldest day in Hassocks?
The coldest day measured in Hassocks between 1940 and 2025 was 10 February 1986, at -14.4 °C.
Does it snow in Hassocks?
Yes. Hassocks gets on average 9.2 cm of snow per year and has around 33 frost days.
Has the climate of Hassocks warmed?
Yes: Hassocks warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hassocks?
The wettest day measured in Hassocks between 1940 and 2025 was 8 August 1992, with 39 mm of rain in 24 hours.
What was the windiest day in Hassocks?
The windiest day measured in Hassocks between 1940 and 2025 was 16 October 1987, with winds reaching 80.8 km/h.
What is the warmest month in Hassocks?
The warmest month in Hassocks is July (16.9 °C on average); the coldest is January (4.5 °C).
How much does it rain in Hassocks?
Hassocks receives on average 649 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Hassocks?
Hassocks 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 Hassocks?
The heaviest 24-hour snowfall measured in Hassocks between 1940 and 2025 was 9 January 1968, with 12.3 cm.
Are there tropical nights in Hassocks?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Hassocks.
What was the most extreme apparent temperature in Hassocks?
In Hassocks, between 1940 and 2025, the highest apparent temperature reached 34.8 °C on 25 July 2019, and the lowest was -19.2 °C on 10 February 1986.
Compare Hassocks with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hassocks