Stowmarket climate — normals and trends
Stowmarket (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.9 °C and it receives 613 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 (16.8 °C on average) and the coldest is January (3.8 °C). Rainfall peaks in August.
Stowmarket averages 37 frost days, 0 hot days (≥ 30 °C) and 128 rainy days per year.
Stowmarket 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 56 to 18 per year over the period.
The hottest day of the period reached 34.9 °C (on 19 July 2022) and the coldest -16.0 °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
StowmarketEngland
- coords
- 52.19°, 1.00°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.9°C
Average daily high
13.1°C
Average daily low
6.8°C
Annual rainfall
613mm
Sunshine / day
7.8h
Mean relative humidity
81%
Average peak wind
21.5km/h
Seasonal range
13.0°C
Frost days (< 0 °C)
37 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
128 d/yr
Annual snowfall
12.6 cm
Average feels-like high
10.3 °C
Average feels-like low
3.7 °C
Average peak gust
41.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.46 · 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
34.9 °C
19 July 2022
Coldest day
-16.0 °C
24 February 1947
Wettest day
54 mm
3 September 1965
Windiest day
69.6 km/h
16 October 1987
Strongest gust
129.2 km/h
16 October 1987
Hottest feels-like
35.6 °C
25 July 2019
Coldest feels-like
-20.8 °C
24 February 1947
Snowiest day
10.4 cm
4 March 1970
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 | 6.0 °C | 0.0 °C | 50 mm | +3 mm |
| Feb | 7.1 °C | +0.5 °C | 50 mm | +9 mm |
| Mar | 12.0 °C | +2.9 °C | 12 mm | -33 mm |
| Apr | 15.0 °C | +3.0 °C | 14 mm | -33 mm |
| May | 17.6 °C | +2.3 °C | 26 mm | -30 mm |
| Jun | 22.4 °C | +3.9 °C | 42 mm | -13 mm |
| Jul | 22.7 °C | +2.0 °C | 82 mm | +24 mm |
| Aug | 22.0 °C | +1.4 °C | 31 mm | -29 mm |
| Sep | 18.6 °C | +0.6 °C | 36 mm | -14 mm |
| Oct | 14.4 °C | +0.3 °C | 66 mm | +14 mm |
| Nov | 11.0 °C | +1.5 °C | 92 mm | +40 mm |
| Dec | 9.3 °C | +2.2 °C | 35 mm | -15 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 Stowmarket?
Stowmarket has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.9 °C and it receives 613 mm of precipitation per year.
What is the hottest day ever recorded in Stowmarket?
The hottest day measured in Stowmarket between 1940 and 2025 was 19 July 2022, reaching 34.9 °C.
What is the coldest day in Stowmarket?
The coldest day measured in Stowmarket between 1940 and 2025 was 24 February 1947, at -16.0 °C.
Does it snow in Stowmarket?
Yes. Stowmarket gets on average 12.6 cm of snow per year and has around 37 frost days.
Has the climate of Stowmarket warmed?
Yes: Stowmarket warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Stowmarket?
The wettest day measured in Stowmarket between 1940 and 2025 was 3 September 1965, with 54 mm of rain in 24 hours.
What was the windiest day in Stowmarket?
The windiest day measured in Stowmarket between 1940 and 2025 was 16 October 1987, with winds reaching 69.6 km/h.
What is the warmest month in Stowmarket?
The warmest month in Stowmarket is July (16.8 °C on average); the coldest is January (3.8 °C).
How much does it rain in Stowmarket?
Stowmarket receives on average 613 mm of precipitation per year, spread over about 128 rainy days.
Is it sunny in Stowmarket?
Stowmarket gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
What is the biggest single-day snowfall in Stowmarket?
The heaviest 24-hour snowfall measured in Stowmarket between 1940 and 2025 was 4 March 1970, with 10.4 cm.
Are there tropical nights in Stowmarket?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Stowmarket.
What was the most extreme apparent temperature in Stowmarket?
In Stowmarket, between 1940 and 2025, the highest apparent temperature reached 35.6 °C on 25 July 2019, and the lowest was -20.8 °C on 24 February 1947.
Compare Stowmarket with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Stowmarket