Sileby climate — normals and trends
Sileby (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.6 °C and it receives 648 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 (16.4 °C on average) and the coldest is January (3.6 °C). Rainfall peaks in August.
Sileby averages 43 frost days, 1 hot days (≥ 30 °C) and 132 rainy days per year.
Sileby 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 62 to 24 per year over the period.
The hottest day of the period reached 39.3 °C (on 19 July 2022) and the coldest -17.5 °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
SilebyEngland
- coords
- 52.73°, -1.11°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.6°C
Average daily high
12.9°C
Average daily low
6.3°C
Annual rainfall
648mm
Sunshine / day
7.3h
Mean relative humidity
81%
Average peak wind
22.7km/h
Seasonal range
12.8°C
Frost days (< 0 °C)
43 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
132 d/yr
Annual snowfall
20.0 cm
Average feels-like high
9.8 °C
Average feels-like low
3.0 °C
Average peak gust
42.2 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
+1.7 °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
39.3 °C
19 July 2022
Coldest day
-17.5 °C
24 February 1947
Wettest day
43 mm
20 October 2023
Windiest day
62.8 km/h
2 January 1976
Strongest gust
128.2 km/h
9 February 2020
Hottest feels-like
37.1 °C
25 July 2019
Coldest feels-like
-22.8 °C
24 February 1947
Snowiest day
23.0 cm
26 April 1981
Sunniest day
16.0 h
3 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 | -0.1 °C | 81 mm | +31 mm |
| Feb | 7.4 °C | +0.8 °C | 41 mm | -1 mm |
| Mar | 12.4 °C | +3.3 °C | 21 mm | -27 mm |
| Apr | 16.0 °C | +4.1 °C | 15 mm | -37 mm |
| May | 18.6 °C | +3.4 °C | 31 mm | -29 mm |
| Jun | 22.8 °C | +4.4 °C | 32 mm | -28 mm |
| Jul | 22.9 °C | +2.5 °C | 59 mm | -0 mm |
| Aug | 22.7 °C | +2.6 °C | 19 mm | -43 mm |
| Sep | 18.1 °C | +0.6 °C | 73 mm | +21 mm |
| Oct | 13.8 °C | +0.2 °C | 59 mm | +4 mm |
| Nov | 10.6 °C | +1.5 °C | 125 mm | +70 mm |
| Dec | 8.9 °C | +2.1 °C | 81 mm | +29 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 Sileby?
Sileby has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.6 °C and it receives 648 mm of precipitation per year.
What is the hottest day ever recorded in Sileby?
The hottest day measured in Sileby between 1940 and 2025 was 19 July 2022, reaching 39.3 °C.
What is the coldest day in Sileby?
The coldest day measured in Sileby between 1940 and 2025 was 24 February 1947, at -17.5 °C.
Does it snow in Sileby?
Yes. Sileby gets on average 20.0 cm of snow per year and has around 43 frost days.
Has the climate of Sileby warmed?
Yes: Sileby warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sileby?
The wettest day measured in Sileby between 1940 and 2025 was 20 October 2023, with 43 mm of rain in 24 hours.
What was the windiest day in Sileby?
The windiest day measured in Sileby between 1940 and 2025 was 2 January 1976, with winds reaching 62.8 km/h.
What is the warmest month in Sileby?
The warmest month in Sileby is July (16.4 °C on average); the coldest is January (3.6 °C).
How much does it rain in Sileby?
Sileby receives on average 648 mm of precipitation per year, spread over about 132 rainy days.
Is it sunny in Sileby?
Sileby gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sileby?
The heaviest 24-hour snowfall measured in Sileby between 1940 and 2025 was 26 April 1981, with 23.0 cm.
Are there tropical nights in Sileby?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Sileby.
What was the most extreme apparent temperature in Sileby?
In Sileby, between 1940 and 2025, the highest apparent temperature reached 37.1 °C on 25 July 2019, and the lowest was -22.8 °C on 24 February 1947.
Compare Sileby with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sileby