Pornic climate — normals and trends
Pornic (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 12.4 °C and it receives 667 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 (19.1 °C on average) and the coldest is January (6.1 °C). Rainfall peaks in December.
Pornic averages 17 frost days, 4 hot days (≥ 30 °C) and 121 rainy days per year.
Pornic has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 24 to 10 per year over the period.
The hottest day of the period reached 40.5 °C (on 18 July 2022) and the coldest -11.5 °C (on 10 February 1986).
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
PornicPays de la Loire Region
- coords
- 47.12°, -2.10°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.4°C
Average daily high
15.5°C
Average daily low
9.5°C
Annual rainfall
667mm
Sunshine / day
9.0h
Mean relative humidity
81%
Average peak wind
22.6km/h
Seasonal range
13.0°C
Frost days (< 0 °C)
17 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
121 d/yr
Annual snowfall
2.3 cm
Average feels-like high
13.5 °C
Average feels-like low
6.9 °C
Average peak gust
39.4 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
13.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.35 · 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
40.5 °C
18 July 2022
Coldest day
-11.5 °C
10 February 1986
Wettest day
75 mm
9 October 2024
Windiest day
78.4 km/h
11 March 1963
Strongest gust
127.4 km/h
26 December 1999
Hottest feels-like
40.7 °C
27 June 2019
Coldest feels-like
-19.2 °C
13 January 1987
Snowiest day
8.8 cm
26 January 1945
Sunniest day
15.4 h
24 June 2025
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 | 9.2 °C | +0.8 °C | 177 mm | +109 mm |
| Feb | 10.3 °C | +1.0 °C | 43 mm | -14 mm |
| Mar | 13.7 °C | +1.8 °C | 32 mm | -22 mm |
| Apr | 17.9 °C | +3.4 °C | 77 mm | +28 mm |
| May | 19.9 °C | +2.3 °C | 46 mm | -12 mm |
| Jun | 24.9 °C | +4.1 °C | 37 mm | -6 mm |
| Jul | 24.5 °C | +1.9 °C | 69 mm | +32 mm |
| Aug | 26.1 °C | +3.5 °C | 19 mm | -21 mm |
| Sep | 20.2 °C | -0.4 °C | 45 mm | -3 mm |
| Oct | 18.1 °C | +1.4 °C | 56 mm | -13 mm |
| Nov | 14.2 °C | +2.1 °C | 73 mm | +1 mm |
| Dec | 10.5 °C | +1.2 °C | 82 mm | +9 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 Pornic?
Pornic has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 12.4 °C and it receives 667 mm of precipitation per year.
What is the hottest day ever recorded in Pornic?
The hottest day measured in Pornic between 1940 and 2025 was 18 July 2022, reaching 40.5 °C.
What is the coldest day in Pornic?
The coldest day measured in Pornic between 1940 and 2025 was 10 February 1986, at -11.5 °C.
Does it snow in Pornic?
Yes. Pornic gets on average 2.3 cm of snow per year and has around 17 frost days.
Has the climate of Pornic warmed?
Yes: Pornic warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pornic?
The wettest day measured in Pornic between 1940 and 2025 was 9 October 2024, with 75 mm of rain in 24 hours.
What was the windiest day in Pornic?
The windiest day measured in Pornic between 1940 and 2025 was 11 March 1963, with winds reaching 78.4 km/h.
What is the warmest month in Pornic?
The warmest month in Pornic is July (19.1 °C on average); the coldest is January (6.1 °C).
How much does it rain in Pornic?
Pornic receives on average 667 mm of precipitation per year, spread over about 121 rainy days.
Is it sunny in Pornic?
Pornic gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Pornic?
The heaviest 24-hour snowfall measured in Pornic between 1940 and 2025 was 26 January 1945, with 8.8 cm.
Are there tropical nights in Pornic?
Yes: Pornic has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pornic?
In Pornic, between 1940 and 2025, the highest apparent temperature reached 40.7 °C on 27 June 2019, and the lowest was -19.2 °C on 13 January 1987.
Compare Pornic with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pornic