Rainfall in Dieffenthal trails that of 92% of mainland French towns: 621 mm a year
The warmest part of a July day comes in at 26.2°C on average. In January, nights here are colder than in 88% of mainland French towns. May is the wettest month, February the driest. Gritters and ice scrapers earn their keep on roughly 63 nights a year below 0°C.
Figures from Météo-France’s Sélestat Sa station, 6 km south-east.
A year in Dieffenthal at a glance
Each month’s typical high and low in °C, at the Sélestat Sa station.
What a year in Dieffenthal feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Sélestat Sa.
About 621 mm of rain a year
May is the wettest month and February the driest. About 16 days a year bring 10 mm or more. 72nd wettest of 79 towns of 2,500+ in Bas-Rhin.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Strasbourg-Entzheim
A frosty town: 63 frosts and 67 days of 25°C a year
On about 63 nights a year the air drops to 0°C or below, and on about 11 days it stays below freezing all day. About 67 days a year reach 25°C, and 18 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Sélestat Sa: a frost is a night of 0°C or below, a summer day (jour d’été) 25°C or more, a hot day (forte chaleur) 30°C or more.
The Météo-France station at Sélestat Sa
Sélestat Sa is 6 km south-east of Dieffenthal. Every figure on this page is the station’s, not a measurement in Dieffenthal itself.
| Station (Météo-France number) | Sélestat Sa (67462004) |
| Distance from the town | 6 km south-east |
| Station altitude | 173 m |
| Town altitude (its center) | 210 m |
| Period | 1992–2020 (the station’s own record) |
| Sunshine measured at | Strasbourg-Entzheim, 31 km away |
TownRatings matches each commune to one station with at least 24 years of temperature and rain records: the nearest, counting every 100 m of height difference as 10 km, never across the sea.
How Dieffenthal compares
Against the 4,385 towns of 2,500 or more in mainland France, each read from its own matched station. The dots are the other towns of 2,500+ in Bas-Rhin.
Nearby towns’ climate
The nearest towns of 2,500+ within 29 km. Where a neighbor uses the same station its figures are the same: the differences you’d feel over a few kilometers aren’t in the normals.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Dieffenthal | Sélestat Sa | 26.2°C | −0.3°C | 621 mm |
| Scherwiller 2.2 km | same station | 26.2°C about the same | −0.3°C about the same | 621 mm |
| Châtenois 4.2 km | same station | 26.2°C about the same | −0.3°C about the same | 621 mm |
| Sélestat 5.8 km | same station | 26.2°C about the same | −0.3°C about the same | 621 mm |
| Barr 11 km | Villé | 26.7°C 0.5°C warmer | −0.4°C about the same | 958 mm |
| Hilsenheim 11 km | same station | 26.2°C about the same | −0.3°C about the same | 621 mm |
| Huttenheim 13 km | same station | 26.2°C about the same | −0.3°C about the same | 621 mm |
Dieffenthal weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Sélestat Sa station; sunshine at Strasbourg-Entzheim.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.5°C | −0.3°C | 2.6°C | 36 mm | 56 |
| February | 7.5°C | 0.2°C | 3.8°C | 34 mm | 86 |
| March | 12.1°C | 2.5°C | 7.3°C | 36 mm | 146 |
| April | 16.9°C | 5.7°C | 11.3°C | 43 mm | 187 |
| May | 20.8°C | 10.0°C | 15.4°C | 78 mm | 209 |
| June | 24.5°C | 13.2°C | 18.9°C | 67 mm | 226 |
| July | 26.2°C | 14.5°C | 20.3°C | 70 mm | 240 |
| August | 26.0°C | 14.0°C | 20.0°C | 64 mm | 224 |
| September | 21.5°C | 10.3°C | 15.9°C | 51 mm | 174 |
| October | 16.1°C | 6.8°C | 11.4°C | 58 mm | 100 |
| November | 9.4°C | 2.9°C | 6.2°C | 44 mm | 55 |
| December | 6.1°C | 0.7°C | 3.4°C | 42 mm | 44 |
| Year | 16.1°C | 6.7°C | 11.4°C | 621 mm | 1,747 |
Where Dieffenthal’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Sélestat Sa, 6 km away: statistics for 1991–2020 (the station’s own years, 1992–2020, where its record is shorter).
- Which station: among stations with at least 24 of the 30 years of temperature and rain, the nearest to the commune’s population-weighted center, counting each 100 m of height difference as 10 km; mainland towns use mainland stations and each overseas département its own.
- Altitudes: the town’s from IGN’s RGE ALTI® at its population-weighted center; the station’s from Météo-France.
- Sunshine: the nearest station with at least 10 years of sunshine records, Strasbourg-Entzheim, 31 km away.
- Comparisons: every town of 2,500 or more in mainland France, read the same way; the dots are the towns of 2,500+ in Bas-Rhin.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Dieffenthal’s climate
How warm does Dieffenthal get in summer?
July is the warmest month, with average highs of 26.2°C. About 67 days a year reach 25°C, more than 58% of mainland French towns, and about 18 reach 30°C.
How cold does Dieffenthal get in winter?
January nights average −0.3°C. The air drops to 0°C or below on about 63 nights a year, and about 11 days a year stay below freezing all day.
How much rain does Dieffenthal get?
About 621 mm a year, less than 92% of mainland French towns. May is the wettest month (78 mm) and February the driest (34 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Strasbourg-Entzheim (31 km away), averages 1,747 hours of sunshine a year.
Are these figures for Dieffenthal itself?
No: they are the normals of the Météo-France station matched to Dieffenthal, Sélestat Sa, 6 km away. France publishes its climate normals by station, not by commune; a valley, a hill or the sea can make a difference over a few kilometers.
Where do these figures come from?
Météo-France’s fiches climatologiques: 30-year averages (1991–2020) for each of its long-running stations, published as open data since 2024. They are normals, not a forecast.
Source: Météo-France, fiches climatologiques, 1991–2020 statistics (station SELESTAT SA, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Dieffenthal →
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.