Parthenay climate — normals and trends
Parthenay (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.6 °C and it receives 689 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 (19.3 °C on average) and the coldest is January (4.4 °C). Rainfall peaks in May.
Parthenay averages 37 frost days, 8 hot days (≥ 30 °C) and 124 rainy days per year.
Parthenay 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 46 to 28 per year over the period.
The hottest day of the period reached 40.3 °C (on 18 July 2022) and the coldest -17.5 °C (on 21 January 1942).
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
ParthenayNew Aquitaine
- coords
- 46.65°, -0.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.6°C
Average daily high
15.7°C
Average daily low
7.8°C
Annual rainfall
689mm
Sunshine / day
8.4h
Mean relative humidity
79%
Average peak wind
18.5km/h
Seasonal range
14.9°C
Frost days (< 0 °C)
37 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
124 d/yr
Annual snowfall
7.3 cm
Average feels-like high
13.5 °C
Average feels-like low
5.2 °C
Average peak gust
37.0 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
12.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.35 · 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
40.3 °C
18 July 2022
Coldest day
-17.5 °C
21 January 1942
Wettest day
65 mm
7 August 1965
Windiest day
59.7 km/h
11 March 1963
Strongest gust
124.2 km/h
26 December 1999
Hottest feels-like
41.6 °C
29 July 2024
Coldest feels-like
-22.2 °C
21 January 1942
Snowiest day
13.6 cm
26 January 1945
Sunniest day
15.6 h
18 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 | 8.0 °C | +0.9 °C | 132 mm | +70 mm |
| Feb | 9.9 °C | +1.3 °C | 55 mm | -3 mm |
| Mar | 13.1 °C | +1.2 °C | 45 mm | -12 mm |
| Apr | 17.9 °C | +3.2 °C | 66 mm | +8 mm |
| May | 20.7 °C | +2.4 °C | 23 mm | -48 mm |
| Jun | 27.7 °C | +5.7 °C | 15 mm | -37 mm |
| Jul | 26.6 °C | +2.3 °C | 33 mm | -10 mm |
| Aug | 27.8 °C | +3.7 °C | 44 mm | -2 mm |
| Sep | 20.5 °C | -0.8 °C | 43 mm | -6 mm |
| Oct | 17.2 °C | +0.6 °C | 71 mm | +8 mm |
| Nov | 13.0 °C | +2.0 °C | 62 mm | -4 mm |
| Dec | 9.3 °C | +1.4 °C | 40 mm | -25 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 Parthenay?
Parthenay has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.6 °C and it receives 689 mm of precipitation per year.
What is the hottest day ever recorded in Parthenay?
The hottest day measured in Parthenay between 1940 and 2025 was 18 July 2022, reaching 40.3 °C.
What is the coldest day in Parthenay?
The coldest day measured in Parthenay between 1940 and 2025 was 21 January 1942, at -17.5 °C.
Does it snow in Parthenay?
Yes. Parthenay gets on average 7.3 cm of snow per year and has around 37 frost days.
Has the climate of Parthenay warmed?
Yes: Parthenay warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Parthenay?
The wettest day measured in Parthenay between 1940 and 2025 was 7 August 1965, with 65 mm of rain in 24 hours.
What was the windiest day in Parthenay?
The windiest day measured in Parthenay between 1940 and 2025 was 11 March 1963, with winds reaching 59.7 km/h.
What is the warmest month in Parthenay?
The warmest month in Parthenay is July (19.3 °C on average); the coldest is January (4.4 °C).
How much does it rain in Parthenay?
Parthenay receives on average 689 mm of precipitation per year, spread over about 124 rainy days.
Is it sunny in Parthenay?
Parthenay gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.
What is the biggest single-day snowfall in Parthenay?
The heaviest 24-hour snowfall measured in Parthenay between 1940 and 2025 was 26 January 1945, with 13.6 cm.
Are there tropical nights in Parthenay?
Yes: Parthenay has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Parthenay?
In Parthenay, between 1940 and 2025, the highest apparent temperature reached 41.6 °C on 29 July 2024, and the lowest was -22.2 °C on 21 January 1942.
Compare Parthenay with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Parthenay