Thann climate — normals and trends
Thann has a temperate oceanic climate, averaging 9.5 °C annually with 1,019 mm of rain per year.
Climate normals · ERA5
ThannGrand Est
- coords
- 47.81°, 7.10°
- period
- 1940–2025 · 86 yrs
The normals for this period
The average of every indicator across the whole window: temperature, water, sky, wind and notable days.
Mean daily temperature
9.5°C
Average daily high
13.5°C
Average daily low
5.9°C
Annual rainfall
1,019mm
Sunshine / day
8.2h
Mean relative humidity
78%
Average peak wind
13.3km/h
Seasonal range
18.2°C
Frost days (< 0 °C)
75 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
155 d/yr
Annual snowfall
59.5 cm
Average feels-like high
11.6 °C
Average feels-like low
3.7 °C
Average peak gust
33.5 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
11.9 MJ/m²
Has the climate changed?
What the yearly averages say about warming here, and whether the slope is statistically solid.
+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).
Climate month by month
How an average year unfolds: when it rains, when it turns hot, when the sun is out.
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
The most extreme days ever measured here, then the year-by-year detail.
Hottest day
37.5 °C
13 August 2003
Coldest day
-22.6 °C
14 January 1963
Wettest day
54 mm
8 September 1994
Windiest day
61.7 km/h
26 December 1999
Strongest gust
145.8 km/h
26 December 1999
Hottest feels-like
38.9 °C
5 July 2015
Coldest feels-like
-27.3 °C
10 February 1956
Snowiest day
22.4 cm
4 March 2006
Sunniest day
15.0 h
4 July 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and compare it with the normal: warmer, drier, more extreme?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 6.5 °C | +3.4 °C | 128 mm | +38 mm |
| Feb | 7.2 °C | +2.0 °C | 59 mm | -24 mm |
| Mar | 12.5 °C | +2.8 °C | 52 mm | -29 mm |
| Apr | 16.9 °C | +3.2 °C | 64 mm | -14 mm |
| May | 19.6 °C | +1.8 °C | 70 mm | -24 mm |
| Jun | 26.3 °C | +5.0 °C | 73 mm | -14 mm |
| Jul | 24.2 °C | +0.7 °C | 108 mm | +31 mm |
| Aug | 25.7 °C | +2.6 °C | 146 mm | +64 mm |
| Sep | 19.1 °C | -0.2 °C | 137 mm | +60 mm |
| Oct | 14.4 °C | +0.5 °C | 125 mm | +46 mm |
| Nov | 9.5 °C | +2.0 °C | 105 mm | +10 mm |
| Dec | 6.7 °C | +2.7 °C | 33 mm | -64 mm |
The year's extremes
What was the weather like that day?
The weather actually measured on a given date, anywhere in the covered window.
Climate at a glance
What these normals say about the place, in a few sentences, and the notions needed to read them.
Thann (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.5 °C and it receives 1,019 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 (18.7 °C on average) and the coldest is January (0.5 °C). Rainfall peaks in December.
Thann averages 75 frost days, 6 hot days (≥ 30 °C) and 155 rainy days per year.
Thann has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 93 to 57 per year over the period.
The hottest day of the period reached 37.5 °C (on 13 August 2003) and the coldest -22.6 °C (on 14 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.
Compare Thann with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Thann
Other cities — France
Frequently asked questions
What is the climate of Thann?
Thann has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.5 °C and it receives 1,019 mm of precipitation per year.
What is the hottest day ever recorded in Thann?
The hottest day measured in Thann between 1940 and 2025 was 13 August 2003, reaching 37.5 °C.
What is the coldest day in Thann?
The coldest day measured in Thann between 1940 and 2025 was 14 January 1963, at -22.6 °C.
Does it snow in Thann?
Yes. Thann gets on average 59.5 cm of snow per year and has around 75 frost days.
Has the climate of Thann warmed?
Yes: Thann warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Thann?
The wettest day measured in Thann between 1940 and 2025 was 8 September 1994, with 54 mm of rain in 24 hours.
What was the windiest day in Thann?
The windiest day measured in Thann between 1940 and 2025 was 26 December 1999, with winds reaching 61.7 km/h.
What is the warmest month in Thann?
The warmest month in Thann is July (18.7 °C on average); the coldest is January (0.5 °C).
How much does it rain in Thann?
Thann receives on average 1,019 mm of precipitation per year, spread over about 155 rainy days.
Is it sunny in Thann?
Thann gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.
What is the biggest single-day snowfall in Thann?
The heaviest 24-hour snowfall measured in Thann between 1940 and 2025 was 4 March 2006, with 22.4 cm.
Are there tropical nights in Thann?
Yes: Thann has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Thann?
In Thann, between 1940 and 2025, the highest apparent temperature reached 38.9 °C on 5 July 2015, and the lowest was -27.3 °C on 10 February 1956.
These forecasts and records come from our own weather API. Developer documentation →