Gaillac climate — normals and trends
Gaillac (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 12.6 °C and it receives 834 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 (21.1 °C on average) and the coldest is January (4.8 °C). Rainfall peaks in May.
Gaillac averages 35 frost days, 16 hot days (≥ 30 °C) and 127 rainy days per year.
Gaillac has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 44 to 26 per year over the period.
The hottest day of the period reached 40.0 °C (on 11 August 2025) and the coldest -18.5 °C (on 10 January 1941).
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
GaillacOccitanie
- coords
- 43.90°, 1.90°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.6°C
Average daily high
17.1°C
Average daily low
8.5°C
Annual rainfall
834mm
Sunshine / day
8.7h
Mean relative humidity
75%
Average peak wind
15.4km/h
Seasonal range
16.3°C
Frost days (< 0 °C)
35 d/yr
Hot days (≥ 30 °C)
16 d/yr
Rainy days (≥ 1 mm)
127 d/yr
Annual snowfall
10.4 cm
Average feels-like high
15.7 °C
Average feels-like low
6.5 °C
Average peak gust
33.2 km/h
Tropical nights (≥ 20 °C)
5 d/yr
Solar radiation
13.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.47 · 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
40.0 °C
11 August 2025
Coldest day
-18.5 °C
10 January 1941
Wettest day
59 mm
17 October 2024
Windiest day
54.3 km/h
7 November 1982
Strongest gust
119.5 km/h
24 January 2009
Hottest feels-like
43.5 °C
23 August 2023
Coldest feels-like
-23.5 °C
10 January 1941
Snowiest day
18.9 cm
28 January 2006
Sunniest day
14.8 h
24 June 2015
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 | 10.0 °C | +1.8 °C | 77 mm | +5 mm |
| Feb | 12.8 °C | +2.9 °C | 32 mm | -34 mm |
| Mar | 13.7 °C | +0.5 °C | 75 mm | +6 mm |
| Apr | 18.3 °C | +2.4 °C | 96 mm | +17 mm |
| May | 21.6 °C | +1.9 °C | 103 mm | +20 mm |
| Jun | 29.2 °C | +5.6 °C | 64 mm | -0 mm |
| Jul | 27.6 °C | +1.3 °C | 31 mm | -19 mm |
| Aug | 30.6 °C | +4.4 °C | 95 mm | +31 mm |
| Sep | 22.2 °C | -0.8 °C | 57 mm | -9 mm |
| Oct | 19.7 °C | +1.5 °C | 64 mm | -5 mm |
| Nov | 12.9 °C | +0.7 °C | 107 mm | +35 mm |
| Dec | 11.5 °C | +2.5 °C | 65 mm | -15 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 Gaillac?
Gaillac has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 12.6 °C and it receives 834 mm of precipitation per year.
What is the hottest day ever recorded in Gaillac?
The hottest day measured in Gaillac between 1940 and 2025 was 11 August 2025, reaching 40.0 °C.
What is the coldest day in Gaillac?
The coldest day measured in Gaillac between 1940 and 2025 was 10 January 1941, at -18.5 °C.
Does it snow in Gaillac?
Yes. Gaillac gets on average 10.4 cm of snow per year and has around 35 frost days.
Has the climate of Gaillac warmed?
Yes: Gaillac warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gaillac?
The wettest day measured in Gaillac between 1940 and 2025 was 17 October 2024, with 59 mm of rain in 24 hours.
What was the windiest day in Gaillac?
The windiest day measured in Gaillac between 1940 and 2025 was 7 November 1982, with winds reaching 54.3 km/h.
What is the warmest month in Gaillac?
The warmest month in Gaillac is July (21.1 °C on average); the coldest is January (4.8 °C).
How much does it rain in Gaillac?
Gaillac receives on average 834 mm of precipitation per year, spread over about 127 rainy days.
Is it sunny in Gaillac?
Gaillac gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Gaillac?
The heaviest 24-hour snowfall measured in Gaillac between 1940 and 2025 was 28 January 2006, with 18.9 cm.
Are there tropical nights in Gaillac?
Yes: Gaillac has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Gaillac?
In Gaillac, between 1940 and 2025, the highest apparent temperature reached 43.5 °C on 23 August 2023, and the lowest was -23.5 °C on 10 January 1941.
Compare Gaillac with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Gaillac