Kings Lynn climate — normals and trends
Kings Lynn (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.1 °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 (16.6 °C on average) and the coldest is January (4.2 °C). Rainfall peaks in August.
Kings Lynn averages 24 frost days, 0 hot days (≥ 30 °C) and 133 rainy days per year.
Kings Lynn has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 37 to 11 per year over the period.
The hottest day of the period reached 35.6 °C (on 19 July 2022) and the coldest -14.7 °C (on 23 January 1963).
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
Kings LynnEngland
- coords
- 52.75°, 0.40°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.1°C
Average daily high
12.8°C
Average daily low
7.3°C
Annual rainfall
649mm
Sunshine / day
8.0h
Mean relative humidity
80%
Average peak wind
24.2km/h
Seasonal range
12.4°C
Frost days (< 0 °C)
24 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
133 d/yr
Annual snowfall
13.2 cm
Average feels-like high
9.8 °C
Average feels-like low
3.8 °C
Average peak gust
42.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °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
35.6 °C
19 July 2022
Coldest day
-14.7 °C
23 January 1963
Wettest day
44 mm
20 June 1973
Windiest day
68.0 km/h
3 January 1976
Strongest gust
129.6 km/h
9 February 2020
Hottest feels-like
34.0 °C
25 July 2019
Coldest feels-like
-19.4 °C
23 January 1963
Snowiest day
11.1 cm
25 February 1958
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 | 6.1 °C | -0.1 °C | 63 mm | +10 mm |
| Feb | 7.1 °C | +0.5 °C | 48 mm | +4 mm |
| Mar | 11.7 °C | +2.8 °C | 10 mm | -38 mm |
| Apr | 14.7 °C | +3.4 °C | 12 mm | -35 mm |
| May | 16.6 °C | +2.1 °C | 39 mm | -17 mm |
| Jun | 22.3 °C | +4.7 °C | 27 mm | -27 mm |
| Jul | 21.9 °C | +2.1 °C | 80 mm | +23 mm |
| Aug | 21.6 °C | +1.7 °C | 30 mm | -31 mm |
| Sep | 18.5 °C | +0.9 °C | 54 mm | -2 mm |
| Oct | 14.1 °C | +0.1 °C | 73 mm | +14 mm |
| Nov | 11.1 °C | +1.5 °C | 117 mm | +57 mm |
| Dec | 9.3 °C | +2.0 °C | 55 mm | -0 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 Kings Lynn?
Kings Lynn has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.1 °C and it receives 649 mm of precipitation per year.
What is the hottest day ever recorded in Kings Lynn?
The hottest day measured in Kings Lynn between 1940 and 2025 was 19 July 2022, reaching 35.6 °C.
What is the coldest day in Kings Lynn?
The coldest day measured in Kings Lynn between 1940 and 2025 was 23 January 1963, at -14.7 °C.
Does it snow in Kings Lynn?
Yes. Kings Lynn gets on average 13.2 cm of snow per year and has around 24 frost days.
Has the climate of Kings Lynn warmed?
Yes: Kings Lynn warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kings Lynn?
The wettest day measured in Kings Lynn between 1940 and 2025 was 20 June 1973, with 44 mm of rain in 24 hours.
What was the windiest day in Kings Lynn?
The windiest day measured in Kings Lynn between 1940 and 2025 was 3 January 1976, with winds reaching 68.0 km/h.
What is the warmest month in Kings Lynn?
The warmest month in Kings Lynn is July (16.6 °C on average); the coldest is January (4.2 °C).
How much does it rain in Kings Lynn?
Kings Lynn receives on average 649 mm of precipitation per year, spread over about 133 rainy days.
Is it sunny in Kings Lynn?
Kings Lynn gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kings Lynn?
The heaviest 24-hour snowfall measured in Kings Lynn between 1940 and 2025 was 25 February 1958, with 11.1 cm.
Are there tropical nights in Kings Lynn?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Kings Lynn.
What was the most extreme apparent temperature in Kings Lynn?
In Kings Lynn, between 1940 and 2025, the highest apparent temperature reached 34.0 °C on 25 July 2019, and the lowest was -19.4 °C on 23 January 1963.
Compare Kings Lynn with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kings Lynn