Penzance climate — normals and trends
Penzance (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.7 °C and it receives 850 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 August (16.4 °C on average) and the coldest is February (7.8 °C). Rainfall peaks in December.
Penzance averages 1 frost days, 0 hot days (≥ 30 °C) and 148 rainy days per year.
Penzance 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 2 to 0 per year over the period.
The hottest day of the period reached 24.1 °C (on 18 July 2022) and the coldest -4.2 °C (on 13 January 1987).
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
PenzanceEngland
- coords
- 50.12°, -5.54°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.7°C
Average daily high
12.7°C
Average daily low
10.6°C
Annual rainfall
850mm
Sunshine / day
8.5h
Mean relative humidity
81%
Average peak wind
32.8km/h
Seasonal range
8.6°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
1.8 cm
Average feels-like high
9.6 °C
Average feels-like low
6.2 °C
Average peak gust
46.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.30 · 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
24.1 °C
18 July 2022
Coldest day
-4.2 °C
13 January 1987
Wettest day
52 mm
16 July 2009
Windiest day
87.6 km/h
18 November 1959
Strongest gust
150.8 km/h
4 January 1998
Hottest feels-like
26.0 °C
3 August 1990
Coldest feels-like
-14.1 °C
12 January 1987
Snowiest day
7.7 cm
30 December 1962
Sunniest day
15.5 h
22 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 | 10.1 °C | +0.7 °C | 149 mm | +55 mm |
| Feb | 9.9 °C | +1.0 °C | 82 mm | +8 mm |
| Mar | 10.5 °C | +1.0 °C | 32 mm | -36 mm |
| Apr | 12.6 °C | +2.0 °C | 84 mm | +33 mm |
| May | 14.9 °C | +2.2 °C | 29 mm | -25 mm |
| Jun | 16.6 °C | +1.5 °C | 48 mm | -0 mm |
| Jul | 18.4 °C | +1.5 °C | 32 mm | -18 mm |
| Aug | 18.7 °C | +1.4 °C | 61 mm | +3 mm |
| Sep | 16.1 °C | -0.1 °C | 116 mm | +52 mm |
| Oct | 14.6 °C | +0.5 °C | 94 mm | +5 mm |
| Nov | 13.0 °C | +1.2 °C | 140 mm | +41 mm |
| Dec | 11.2 °C | +0.8 °C | 205 mm | +104 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 Penzance?
Penzance has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.7 °C and it receives 850 mm of precipitation per year.
What is the hottest day ever recorded in Penzance?
The hottest day measured in Penzance between 1940 and 2025 was 18 July 2022, reaching 24.1 °C.
What is the coldest day in Penzance?
The coldest day measured in Penzance between 1940 and 2025 was 13 January 1987, at -4.2 °C.
Does it snow in Penzance?
Yes. Penzance gets on average 1.8 cm of snow per year and has around 1 frost days.
Has the climate of Penzance warmed?
Yes: Penzance warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Penzance?
The wettest day measured in Penzance between 1940 and 2025 was 16 July 2009, with 52 mm of rain in 24 hours.
What was the windiest day in Penzance?
The windiest day measured in Penzance between 1940 and 2025 was 18 November 1959, with winds reaching 87.6 km/h.
What is the warmest month in Penzance?
The warmest month in Penzance is August (16.4 °C on average); the coldest is February (7.8 °C).
How much does it rain in Penzance?
Penzance receives on average 850 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Penzance?
Penzance gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in Penzance?
The heaviest 24-hour snowfall measured in Penzance between 1940 and 2025 was 30 December 1962, with 7.7 cm.
Are there tropical nights in Penzance?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Penzance.
What was the most extreme apparent temperature in Penzance?
In Penzance, between 1940 and 2025, the highest apparent temperature reached 26.0 °C on 3 August 1990, and the lowest was -14.1 °C on 12 January 1987.
Compare Penzance with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Penzance