Trignac climate — normals and trends
Trignac (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 12.4 °C and it receives 677 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 (18.8 °C on average) and the coldest is January (6.3 °C). Rainfall peaks in December.
Trignac averages 11 frost days, 1 hot days (≥ 30 °C) and 123 rainy days per year.
Trignac has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The number of frost days there went from about 17 to 5 per year over the period.
The hottest day of the period reached 37.0 °C (on 18 July 2022) and the coldest -10.9 °C (on 20 January 1963).
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
TrignacPays de la Loire Region
- coords
- 47.32°, -2.19°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.4°C
Average daily high
15.0°C
Average daily low
10.0°C
Annual rainfall
677mm
Sunshine / day
9.0h
Mean relative humidity
82%
Average peak wind
22.3km/h
Seasonal range
12.5°C
Frost days (< 0 °C)
11 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
123 d/yr
Annual snowfall
2.3 cm
Average feels-like high
13.0 °C
Average feels-like low
7.3 °C
Average peak gust
39.1 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
13.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °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
37.0 °C
18 July 2022
Coldest day
-10.9 °C
20 January 1963
Wettest day
55 mm
19 July 2025
Windiest day
76.9 km/h
11 March 1963
Strongest gust
132.1 km/h
26 December 1999
Hottest feels-like
40.1 °C
9 August 2003
Coldest feels-like
-18.3 °C
19 January 1963
Snowiest day
8.8 cm
7 February 1986
Sunniest day
15.5 h
25 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 | 8.9 °C | +0.6 °C | 189 mm | +119 mm |
| Feb | 9.7 °C | +0.8 °C | 41 mm | -16 mm |
| Mar | 13.1 °C | +1.8 °C | 33 mm | -22 mm |
| Apr | 17.1 °C | +3.3 °C | 72 mm | +23 mm |
| May | 19.2 °C | +2.4 °C | 48 mm | -9 mm |
| Jun | 23.6 °C | +3.7 °C | 39 mm | -3 mm |
| Jul | 23.5 °C | +1.8 °C | 123 mm | +85 mm |
| Aug | 24.6 °C | +2.9 °C | 24 mm | -17 mm |
| Sep | 19.4 °C | -0.4 °C | 44 mm | -5 mm |
| Oct | 17.5 °C | +1.3 °C | 51 mm | -19 mm |
| Nov | 13.9 °C | +2.0 °C | 76 mm | +2 mm |
| Dec | 10.5 °C | +1.2 °C | 85 mm | +9 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 Trignac?
Trignac has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 12.4 °C and it receives 677 mm of precipitation per year.
What is the hottest day ever recorded in Trignac?
The hottest day measured in Trignac between 1940 and 2025 was 18 July 2022, reaching 37.0 °C.
What is the coldest day in Trignac?
The coldest day measured in Trignac between 1940 and 2025 was 20 January 1963, at -10.9 °C.
Does it snow in Trignac?
Yes. Trignac gets on average 2.3 cm of snow per year and has around 11 frost days.
Has the climate of Trignac warmed?
Yes: Trignac warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Trignac?
The wettest day measured in Trignac between 1940 and 2025 was 19 July 2025, with 55 mm of rain in 24 hours.
What was the windiest day in Trignac?
The windiest day measured in Trignac between 1940 and 2025 was 11 March 1963, with winds reaching 76.9 km/h.
What is the warmest month in Trignac?
The warmest month in Trignac is July (18.8 °C on average); the coldest is January (6.3 °C).
How much does it rain in Trignac?
Trignac receives on average 677 mm of precipitation per year, spread over about 123 rainy days.
Is it sunny in Trignac?
Trignac 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 Trignac?
The heaviest 24-hour snowfall measured in Trignac between 1940 and 2025 was 7 February 1986, with 8.8 cm.
Are there tropical nights in Trignac?
Yes: Trignac has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Trignac?
In Trignac, between 1940 and 2025, the highest apparent temperature reached 40.1 °C on 9 August 2003, and the lowest was -18.3 °C on 19 January 1963.
Compare Trignac with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Trignac