Falmouth climate — normals and trends
Falmouth (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.1 °C and it receives 752 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 February (6.5 °C). Rainfall peaks in December.
Falmouth averages 10 frost days, 0 hot days (≥ 30 °C) and 141 rainy days per year.
Falmouth has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The number of frost days there went from about 16 to 4 per year over the period.
The hottest day of the period reached 32.1 °C (on 18 July 2022) and the coldest -9.5 °C (on 1 January 1979).
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
FalmouthEngland
- coords
- 50.15°, -5.07°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.1°C
Average daily high
13.8°C
Average daily low
8.5°C
Annual rainfall
752mm
Sunshine / day
7.8h
Mean relative humidity
81%
Average peak wind
25.5km/h
Seasonal range
10.0°C
Frost days (< 0 °C)
10 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
141 d/yr
Annual snowfall
3.1 cm
Average feels-like high
11.0 °C
Average feels-like low
5.4 °C
Average peak gust
45.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.28 · 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
32.1 °C
18 July 2022
Coldest day
-9.5 °C
1 January 1979
Wettest day
50 mm
6 September 2010
Windiest day
78.1 km/h
25 January 1990
Strongest gust
133.9 km/h
25 January 1990
Hottest feels-like
32.7 °C
27 June 1976
Coldest feels-like
-16.0 °C
12 January 1987
Snowiest day
13.0 cm
18 January 1985
Sunniest day
15.7 h
27 June 2018
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 | 9.3 °C | +0.6 °C | 123 mm | +51 mm |
| Feb | 9.7 °C | +1.0 °C | 70 mm | +9 mm |
| Mar | 11.9 °C | +1.7 °C | 20 mm | -42 mm |
| Apr | 15.0 °C | +2.7 °C | 102 mm | +47 mm |
| May | 17.6 °C | +2.5 °C | 34 mm | -28 mm |
| Jun | 19.6 °C | +1.8 °C | 62 mm | +9 mm |
| Jul | 21.4 °C | +1.8 °C | 30 mm | -22 mm |
| Aug | 21.2 °C | +1.7 °C | 48 mm | -8 mm |
| Sep | 17.3 °C | -0.4 °C | 99 mm | +42 mm |
| Oct | 15.0 °C | +0.4 °C | 69 mm | -4 mm |
| Nov | 12.8 °C | +1.4 °C | 112 mm | +38 mm |
| Dec | 10.7 °C | +1.0 °C | 156 mm | +82 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 Falmouth?
Falmouth has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.1 °C and it receives 752 mm of precipitation per year.
What is the hottest day ever recorded in Falmouth?
The hottest day measured in Falmouth between 1940 and 2025 was 18 July 2022, reaching 32.1 °C.
What is the coldest day in Falmouth?
The coldest day measured in Falmouth between 1940 and 2025 was 1 January 1979, at -9.5 °C.
Does it snow in Falmouth?
Yes. Falmouth gets on average 3.1 cm of snow per year and has around 10 frost days.
Has the climate of Falmouth warmed?
Yes: Falmouth warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Falmouth?
The wettest day measured in Falmouth between 1940 and 2025 was 6 September 2010, with 50 mm of rain in 24 hours.
What was the windiest day in Falmouth?
The windiest day measured in Falmouth between 1940 and 2025 was 25 January 1990, with winds reaching 78.1 km/h.
What is the warmest month in Falmouth?
The warmest month in Falmouth is July (16.5 °C on average); the coldest is February (6.5 °C).
How much does it rain in Falmouth?
Falmouth receives on average 752 mm of precipitation per year, spread over about 141 rainy days.
Is it sunny in Falmouth?
Falmouth 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 Falmouth?
The heaviest 24-hour snowfall measured in Falmouth between 1940 and 2025 was 18 January 1985, with 13.0 cm.
Are there tropical nights in Falmouth?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Falmouth.
What was the most extreme apparent temperature in Falmouth?
In Falmouth, between 1940 and 2025, the highest apparent temperature reached 32.7 °C on 27 June 1976, and the lowest was -16.0 °C on 12 January 1987.
Compare Falmouth with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Falmouth