Niort climate — normals and trends
Niort (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 12.4 °C and it receives 771 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 (20.0 °C on average) and the coldest is January (5.2 °C). Rainfall peaks in December.
Niort averages 29 frost days, 10 hot days (≥ 30 °C) and 125 rainy days per year.
Niort has warmed by +1.5 °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 36 to 22 per year over the period.
The hottest day of the period reached 40.8 °C (on 18 July 2022) and the coldest -13.1 °C (on 17 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
NiortNew Aquitaine
- coords
- 46.32°, -0.46°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.4°C
Average daily high
16.5°C
Average daily low
8.6°C
Annual rainfall
771mm
Sunshine / day
8.8h
Mean relative humidity
77%
Average peak wind
18.2km/h
Seasonal range
14.8°C
Frost days (< 0 °C)
29 d/yr
Hot days (≥ 30 °C)
10 d/yr
Rainy days (≥ 1 mm)
125 d/yr
Annual snowfall
4.0 cm
Average feels-like high
14.7 °C
Average feels-like low
6.2 °C
Average peak gust
36.0 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
13.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.33 · 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
40.8 °C
18 July 2022
Coldest day
-13.1 °C
17 January 1987
Wettest day
54 mm
28 October 1990
Windiest day
65.7 km/h
27 December 1999
Strongest gust
129.2 km/h
27 December 1999
Hottest feels-like
42.2 °C
29 July 2024
Coldest feels-like
-18.9 °C
12 January 1987
Snowiest day
9.7 cm
28 November 1947
Sunniest day
15.5 h
18 June 2000
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 | 9.5 °C | +1.3 °C | 166 mm | +88 mm |
| Feb | 11.6 °C | +1.9 °C | 63 mm | -4 mm |
| Mar | 14.2 °C | +1.4 °C | 38 mm | -27 mm |
| Apr | 18.6 °C | +3.1 °C | 87 mm | +25 mm |
| May | 21.3 °C | +2.3 °C | 41 mm | -28 mm |
| Jun | 28.0 °C | +5.4 °C | 16 mm | -36 mm |
| Jul | 27.1 °C | +2.3 °C | 36 mm | -6 mm |
| Aug | 28.9 °C | +4.2 °C | 53 mm | +7 mm |
| Sep | 21.2 °C | -0.9 °C | 77 mm | +24 mm |
| Oct | 18.2 °C | +0.6 °C | 69 mm | -4 mm |
| Nov | 13.8 °C | +1.8 °C | 96 mm | +17 mm |
| Dec | 10.3 °C | +1.4 °C | 64 mm | -20 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 Niort?
Niort has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 12.4 °C and it receives 771 mm of precipitation per year.
What is the hottest day ever recorded in Niort?
The hottest day measured in Niort between 1940 and 2025 was 18 July 2022, reaching 40.8 °C.
What is the coldest day in Niort?
The coldest day measured in Niort between 1940 and 2025 was 17 January 1987, at -13.1 °C.
Does it snow in Niort?
Yes. Niort gets on average 4.0 cm of snow per year and has around 29 frost days.
Has the climate of Niort warmed?
Yes: Niort warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Niort?
The wettest day measured in Niort between 1940 and 2025 was 28 October 1990, with 54 mm of rain in 24 hours.
What was the windiest day in Niort?
The windiest day measured in Niort between 1940 and 2025 was 27 December 1999, with winds reaching 65.7 km/h.
What is the warmest month in Niort?
The warmest month in Niort is July (20.0 °C on average); the coldest is January (5.2 °C).
How much does it rain in Niort?
Niort receives on average 771 mm of precipitation per year, spread over about 125 rainy days.
Is it sunny in Niort?
Niort gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Niort?
The heaviest 24-hour snowfall measured in Niort between 1940 and 2025 was 28 November 1947, with 9.7 cm.
Are there tropical nights in Niort?
Yes: Niort has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Niort?
In Niort, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 29 July 2024, and the lowest was -18.9 °C on 12 January 1987.
Compare Niort with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Niort