Gannat climate — normals and trends
Gannat (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.6 °C and it receives 814 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 (2.6 °C). Rainfall peaks in May.
Gannat averages 61 frost days, 11 hot days (≥ 30 °C) and 146 rainy days per year.
Gannat has warmed by +2.2 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 73 to 49 per year over the period.
The hottest day of the period reached 39.2 °C (on 12 August 2003) and the coldest -24.9 °C (on 16 January 1985).
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
GannatRhône-Alpes
- coords
- 46.10°, 3.20°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.6°C
Average daily high
15.1°C
Average daily low
6.4°C
Annual rainfall
814mm
Sunshine / day
8.4h
Mean relative humidity
76%
Average peak wind
14.3km/h
Seasonal range
16.5°C
Frost days (< 0 °C)
61 d/yr
Hot days (≥ 30 °C)
11 d/yr
Rainy days (≥ 1 mm)
146 d/yr
Annual snowfall
34.2 cm
Average feels-like high
13.2 °C
Average feels-like low
4.1 °C
Average peak gust
32.4 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
12.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.49 · 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
39.2 °C
12 August 2003
Coldest day
-24.9 °C
16 January 1985
Wettest day
74 mm
29 September 2000
Windiest day
51.3 km/h
28 December 1999
Strongest gust
110.9 km/h
28 December 1999
Hottest feels-like
40.6 °C
27 June 2019
Coldest feels-like
-29.9 °C
16 January 1985
Snowiest day
23.1 cm
14 December 2008
Sunniest day
15.2 h
26 June 2019
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 | 8.3 °C | +2.5 °C | 66 mm | +3 mm |
| Feb | 10.7 °C | +3.1 °C | 35 mm | -21 mm |
| Mar | 12.4 °C | +1.1 °C | 62 mm | +2 mm |
| Apr | 17.3 °C | +3.0 °C | 60 mm | -12 mm |
| May | 19.9 °C | +1.8 °C | 68 mm | -19 mm |
| Jun | 27.5 °C | +5.6 °C | 72 mm | +4 mm |
| Jul | 25.8 °C | +1.4 °C | 40 mm | -17 mm |
| Aug | 28.0 °C | +3.8 °C | 72 mm | +3 mm |
| Sep | 20.3 °C | -0.5 °C | 111 mm | +36 mm |
| Oct | 15.9 °C | -0.1 °C | 72 mm | +4 mm |
| Nov | 11.6 °C | +1.7 °C | 103 mm | +32 mm |
| Dec | 9.5 °C | +2.9 °C | 50 mm | -17 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 Gannat?
Gannat has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.6 °C and it receives 814 mm of precipitation per year.
What is the hottest day ever recorded in Gannat?
The hottest day measured in Gannat between 1940 and 2025 was 12 August 2003, reaching 39.2 °C.
What is the coldest day in Gannat?
The coldest day measured in Gannat between 1940 and 2025 was 16 January 1985, at -24.9 °C.
Does it snow in Gannat?
Yes. Gannat gets on average 34.2 cm of snow per year and has around 61 frost days.
Has the climate of Gannat warmed?
Yes: Gannat warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gannat?
The wettest day measured in Gannat between 1940 and 2025 was 29 September 2000, with 74 mm of rain in 24 hours.
What was the windiest day in Gannat?
The windiest day measured in Gannat between 1940 and 2025 was 28 December 1999, with winds reaching 51.3 km/h.
What is the warmest month in Gannat?
The warmest month in Gannat is July (19.1 °C on average); the coldest is January (2.6 °C).
How much does it rain in Gannat?
Gannat receives on average 814 mm of precipitation per year, spread over about 146 rainy days.
Is it sunny in Gannat?
Gannat 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 Gannat?
The heaviest 24-hour snowfall measured in Gannat between 1940 and 2025 was 14 December 2008, with 23.1 cm.
Are there tropical nights in Gannat?
Yes: Gannat has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Gannat?
In Gannat, between 1940 and 2025, the highest apparent temperature reached 40.6 °C on 27 June 2019, and the lowest was -29.9 °C on 16 January 1985.
Compare Gannat with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Gannat