Auch climate — normals and trends
Auch (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 13.2 °C and it receives 819 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 (21.2 °C on average) and the coldest is January (5.5 °C). Rainfall peaks in May.
Auch averages 28 frost days, 19 hot days (≥ 30 °C) and 130 rainy days per year.
Auch has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 36 to 20 per year over the period.
The hottest day of the period reached 41.7 °C (on 23 August 2023) and the coldest -14.9 °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
AuchOccitanie
- coords
- 43.65°, 0.59°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.2°C
Average daily high
17.9°C
Average daily low
9.1°C
Annual rainfall
819mm
Sunshine / day
9.0h
Mean relative humidity
76%
Average peak wind
15.8km/h
Seasonal range
15.7°C
Frost days (< 0 °C)
28 d/yr
Hot days (≥ 30 °C)
19 d/yr
Rainy days (≥ 1 mm)
130 d/yr
Annual snowfall
4.6 cm
Average feels-like high
16.7 °C
Average feels-like low
7.2 °C
Average peak gust
32.0 km/h
Tropical nights (≥ 20 °C)
6 d/yr
Solar radiation
13.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.50 · 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
41.7 °C
23 August 2023
Coldest day
-14.9 °C
17 January 1987
Wettest day
55 mm
25 September 1940
Windiest day
56.8 km/h
27 December 1999
Strongest gust
128.2 km/h
24 January 2009
Hottest feels-like
44.8 °C
23 August 2023
Coldest feels-like
-19.3 °C
16 January 1985
Snowiest day
9.6 cm
3 January 1997
Sunniest day
14.7 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 | 10.7 °C | +1.4 °C | 103 mm | +37 mm |
| Feb | 13.7 °C | +2.7 °C | 40 mm | -19 mm |
| Mar | 14.9 °C | +0.7 °C | 43 mm | -19 mm |
| Apr | 18.8 °C | +2.2 °C | 109 mm | +30 mm |
| May | 21.9 °C | +1.7 °C | 134 mm | +38 mm |
| Jun | 28.2 °C | +4.3 °C | 73 mm | -2 mm |
| Jul | 27.4 °C | +1.0 °C | 28 mm | -28 mm |
| Aug | 30.4 °C | +3.9 °C | 68 mm | +5 mm |
| Sep | 23.1 °C | -0.8 °C | 71 mm | +8 mm |
| Oct | 20.7 °C | +1.5 °C | 35 mm | -30 mm |
| Nov | 14.2 °C | +1.0 °C | 111 mm | +41 mm |
| Dec | 11.5 °C | +1.6 °C | 38 mm | -29 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 Auch?
Auch has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 13.2 °C and it receives 819 mm of precipitation per year.
What is the hottest day ever recorded in Auch?
The hottest day measured in Auch between 1940 and 2025 was 23 August 2023, reaching 41.7 °C.
What is the coldest day in Auch?
The coldest day measured in Auch between 1940 and 2025 was 17 January 1987, at -14.9 °C.
Does it snow in Auch?
Yes. Auch gets on average 4.6 cm of snow per year and has around 28 frost days.
Has the climate of Auch warmed?
Yes: Auch warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Auch?
The wettest day measured in Auch between 1940 and 2025 was 25 September 1940, with 55 mm of rain in 24 hours.
What was the windiest day in Auch?
The windiest day measured in Auch between 1940 and 2025 was 27 December 1999, with winds reaching 56.8 km/h.
What is the warmest month in Auch?
The warmest month in Auch is July (21.2 °C on average); the coldest is January (5.5 °C).
How much does it rain in Auch?
Auch receives on average 819 mm of precipitation per year, spread over about 130 rainy days.
Is it sunny in Auch?
Auch 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 Auch?
The heaviest 24-hour snowfall measured in Auch between 1940 and 2025 was 3 January 1997, with 9.6 cm.
Are there tropical nights in Auch?
Yes: Auch has on average 6 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Auch?
In Auch, between 1940 and 2025, the highest apparent temperature reached 44.8 °C on 23 August 2023, and the lowest was -19.3 °C on 16 January 1985.
Compare Auch with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Auch