Oswestry climate — normals and trends
Oswestry (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.1 °C and it receives 706 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 (15.4 °C on average) and the coldest is January (3.6 °C). Rainfall peaks in December.
Oswestry averages 45 frost days, 0 hot days (≥ 30 °C) and 142 rainy days per year.
Oswestry 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 64 to 26 per year over the period.
The hottest day of the period reached 33.2 °C (on 18 July 2022) and the coldest -20.0 °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
OswestryEngland
- coords
- 52.86°, -3.05°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.1°C
Average daily high
12.2°C
Average daily low
5.9°C
Annual rainfall
706mm
Sunshine / day
7.3h
Mean relative humidity
83%
Average peak wind
20.1km/h
Seasonal range
11.8°C
Frost days (< 0 °C)
45 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
142 d/yr
Annual snowfall
26.8 cm
Average feels-like high
9.4 °C
Average feels-like low
3.0 °C
Average peak gust
41.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.43 · 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
33.2 °C
18 July 2022
Coldest day
-20.0 °C
24 February 1947
Wettest day
55 mm
24 September 2012
Windiest day
64.2 km/h
30 November 1954
Strongest gust
123.8 km/h
24 December 1999
Hottest feels-like
33.5 °C
18 July 2022
Coldest feels-like
-24.7 °C
24 February 1947
Snowiest day
16.9 cm
8 January 1982
Sunniest day
16.1 h
25 June 2022
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 | 5.9 °C | +0.1 °C | 90 mm | +27 mm |
| Feb | 7.1 °C | +0.8 °C | 40 mm | -12 mm |
| Mar | 11.5 °C | +2.9 °C | 14 mm | -41 mm |
| Apr | 14.9 °C | +3.6 °C | 38 mm | -16 mm |
| May | 17.3 °C | +2.8 °C | 29 mm | -33 mm |
| Jun | 19.8 °C | +2.5 °C | 44 mm | -14 mm |
| Jul | 21.0 °C | +2.0 °C | 40 mm | -14 mm |
| Aug | 21.0 °C | +2.3 °C | 18 mm | -40 mm |
| Sep | 16.4 °C | 0.0 °C | 122 mm | +65 mm |
| Oct | 13.1 °C | +0.2 °C | 61 mm | -2 mm |
| Nov | 10.4 °C | +1.5 °C | 136 mm | +72 mm |
| Dec | 8.7 °C | +1.9 °C | 103 mm | +36 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 Oswestry?
Oswestry has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.1 °C and it receives 706 mm of precipitation per year.
What is the hottest day ever recorded in Oswestry?
The hottest day measured in Oswestry between 1940 and 2025 was 18 July 2022, reaching 33.2 °C.
What is the coldest day in Oswestry?
The coldest day measured in Oswestry between 1940 and 2025 was 24 February 1947, at -20.0 °C.
Does it snow in Oswestry?
Yes. Oswestry gets on average 26.8 cm of snow per year and has around 45 frost days.
Has the climate of Oswestry warmed?
Yes: Oswestry warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Oswestry?
The wettest day measured in Oswestry between 1940 and 2025 was 24 September 2012, with 55 mm of rain in 24 hours.
What was the windiest day in Oswestry?
The windiest day measured in Oswestry between 1940 and 2025 was 30 November 1954, with winds reaching 64.2 km/h.
What is the warmest month in Oswestry?
The warmest month in Oswestry is July (15.4 °C on average); the coldest is January (3.6 °C).
How much does it rain in Oswestry?
Oswestry receives on average 706 mm of precipitation per year, spread over about 142 rainy days.
Is it sunny in Oswestry?
Oswestry 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 Oswestry?
The heaviest 24-hour snowfall measured in Oswestry between 1940 and 2025 was 8 January 1982, with 16.9 cm.
Are there tropical nights in Oswestry?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Oswestry.
What was the most extreme apparent temperature in Oswestry?
In Oswestry, between 1940 and 2025, the highest apparent temperature reached 33.5 °C on 18 July 2022, and the lowest was -24.7 °C on 24 February 1947.
Compare Oswestry with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Oswestry