Tignieu climate — normals and trends
Tignieu (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.8 °C and it receives 922 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 (21.3 °C on average) and the coldest is January (2.5 °C). Rainfall peaks in November.
Tignieu averages 53 frost days, 19 hot days (≥ 30 °C) and 125 rainy days per year.
Tignieu has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The number of frost days there went from about 73 to 33 per year over the period.
The hottest day of the period reached 40.3 °C (on 12 August 2025) and the coldest -23.3 °C (on 12 January 1945).
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
TignieuRhône-Alpes
- coords
- 45.75°, 5.19°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.8°C
Average daily high
16.2°C
Average daily low
7.7°C
Annual rainfall
922mm
Sunshine / day
8.9h
Mean relative humidity
74%
Average peak wind
14.5km/h
Seasonal range
18.8°C
Frost days (< 0 °C)
53 d/yr
Hot days (≥ 30 °C)
19 d/yr
Rainy days (≥ 1 mm)
125 d/yr
Annual snowfall
27.8 cm
Average feels-like high
14.5 °C
Average feels-like low
5.7 °C
Average peak gust
32.5 km/h
Tropical nights (≥ 20 °C)
6 d/yr
Solar radiation
13.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °C
since 1940
+0.3 °C per decade · r² = 0.63 · 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
40.3 °C
12 August 2025
Coldest day
-23.3 °C
12 January 1945
Wettest day
77 mm
8 May 1985
Windiest day
42.5 km/h
1 January 1949
Strongest gust
93.2 km/h
24 April 2019
Hottest feels-like
42.3 °C
27 June 2019
Coldest feels-like
-28.0 °C
12 January 1945
Snowiest day
23.5 cm
9 December 1990
Sunniest day
15.0 h
26 May 1940
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 | 134 mm | +53 mm |
| Feb | 10.0 °C | +1.9 °C | 38 mm | -37 mm |
| Mar | 14.0 °C | +1.6 °C | 63 mm | -10 mm |
| Apr | 19.2 °C | +3.4 °C | 102 mm | +27 mm |
| May | 21.5 °C | +1.6 °C | 71 mm | -12 mm |
| Jun | 30.1 °C | +6.3 °C | 52 mm | -17 mm |
| Jul | 28.8 °C | +2.3 °C | 32 mm | -19 mm |
| Aug | 30.5 °C | +4.3 °C | 56 mm | -9 mm |
| Sep | 21.8 °C | -0.4 °C | 138 mm | +59 mm |
| Oct | 16.4 °C | -0.3 °C | 124 mm | +40 mm |
| Nov | 11.9 °C | +1.6 °C | 123 mm | +25 mm |
| Dec | 8.7 °C | +2.2 °C | 50 mm | -39 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 Tignieu?
Tignieu has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.8 °C and it receives 922 mm of precipitation per year.
What is the hottest day ever recorded in Tignieu?
The hottest day measured in Tignieu between 1940 and 2025 was 12 August 2025, reaching 40.3 °C.
What is the coldest day in Tignieu?
The coldest day measured in Tignieu between 1940 and 2025 was 12 January 1945, at -23.3 °C.
Does it snow in Tignieu?
Yes. Tignieu gets on average 27.8 cm of snow per year and has around 53 frost days.
Has the climate of Tignieu warmed?
Yes: Tignieu warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tignieu?
The wettest day measured in Tignieu between 1940 and 2025 was 8 May 1985, with 77 mm of rain in 24 hours.
What was the windiest day in Tignieu?
The windiest day measured in Tignieu between 1940 and 2025 was 1 January 1949, with winds reaching 42.5 km/h.
What is the warmest month in Tignieu?
The warmest month in Tignieu is July (21.3 °C on average); the coldest is January (2.5 °C).
How much does it rain in Tignieu?
Tignieu receives on average 922 mm of precipitation per year, spread over about 125 rainy days.
Is it sunny in Tignieu?
Tignieu gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tignieu?
The heaviest 24-hour snowfall measured in Tignieu between 1940 and 2025 was 9 December 1990, with 23.5 cm.
Are there tropical nights in Tignieu?
Yes: Tignieu has on average 6 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tignieu?
In Tignieu, between 1940 and 2025, the highest apparent temperature reached 42.3 °C on 27 June 2019, and the lowest was -28.0 °C on 12 January 1945.
Compare Tignieu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tignieu