Witney climate — normals and trends
Witney (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.7 °C and it receives 669 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 (16.5 °C on average) and the coldest is January (3.8 °C). Rainfall peaks in May.
Witney averages 43 frost days, 1 hot days (≥ 30 °C) and 130 rainy days per year.
Witney has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 59 to 27 per year over the period.
The hottest day of the period reached 35.9 °C (on 19 July 2022) and the coldest -18.7 °C (on 21 January 1940).
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
WitneyEngland
- coords
- 51.78°, -1.49°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.7°C
Average daily high
13.0°C
Average daily low
6.4°C
Annual rainfall
669mm
Sunshine / day
7.4h
Mean relative humidity
81%
Average peak wind
21.3km/h
Seasonal range
12.7°C
Frost days (< 0 °C)
43 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
130 d/yr
Annual snowfall
16.7 cm
Average feels-like high
10.2 °C
Average feels-like low
3.3 °C
Average peak gust
41.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.46 · 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
35.9 °C
19 July 2022
Coldest day
-18.7 °C
21 January 1940
Wettest day
77 mm
20 July 2007
Windiest day
61.6 km/h
25 January 1990
Strongest gust
126.4 km/h
18 January 2007
Hottest feels-like
37.6 °C
28 July 1947
Coldest feels-like
-24.1 °C
21 January 1940
Snowiest day
17.2 cm
8 January 1982
Sunniest day
16.0 h
4 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 | 6.0 °C | -0.1 °C | 79 mm | +25 mm |
| Feb | 7.4 °C | +0.7 °C | 57 mm | +13 mm |
| Mar | 12.2 °C | +2.9 °C | 17 mm | -34 mm |
| Apr | 16.3 °C | +4.2 °C | 24 mm | -28 mm |
| May | 18.5 °C | +3.1 °C | 19 mm | -45 mm |
| Jun | 22.1 °C | +3.6 °C | 36 mm | -23 mm |
| Jul | 23.5 °C | +3.0 °C | 65 mm | +9 mm |
| Aug | 22.7 °C | +2.6 °C | 32 mm | -27 mm |
| Sep | 17.7 °C | +0.1 °C | 59 mm | +4 mm |
| Oct | 14.0 °C | +0.3 °C | 51 mm | -9 mm |
| Nov | 10.9 °C | +1.6 °C | 122 mm | +62 mm |
| Dec | 9.1 °C | +2.1 °C | 77 mm | +21 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 Witney?
Witney has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.7 °C and it receives 669 mm of precipitation per year.
What is the hottest day ever recorded in Witney?
The hottest day measured in Witney between 1940 and 2025 was 19 July 2022, reaching 35.9 °C.
What is the coldest day in Witney?
The coldest day measured in Witney between 1940 and 2025 was 21 January 1940, at -18.7 °C.
Does it snow in Witney?
Yes. Witney gets on average 16.7 cm of snow per year and has around 43 frost days.
Has the climate of Witney warmed?
Yes: Witney warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Witney?
The wettest day measured in Witney between 1940 and 2025 was 20 July 2007, with 77 mm of rain in 24 hours.
What was the windiest day in Witney?
The windiest day measured in Witney between 1940 and 2025 was 25 January 1990, with winds reaching 61.6 km/h.
What is the warmest month in Witney?
The warmest month in Witney is July (16.5 °C on average); the coldest is January (3.8 °C).
How much does it rain in Witney?
Witney receives on average 669 mm of precipitation per year, spread over about 130 rainy days.
Is it sunny in Witney?
Witney gets on average 7.4 hours of sunshine per day, roughly 2,701 hours per year over 1940-2025.
What is the biggest single-day snowfall in Witney?
The heaviest 24-hour snowfall measured in Witney between 1940 and 2025 was 8 January 1982, with 17.2 cm.
Are there tropical nights in Witney?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Witney.
What was the most extreme apparent temperature in Witney?
In Witney, between 1940 and 2025, the highest apparent temperature reached 37.6 °C on 28 July 1947, and the lowest was -24.1 °C on 21 January 1940.
Compare Witney with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Witney