Summer arrives in force in Dompierre-sur-Chalaronne, hotter than in 81% of mainland French towns
The coldest hours of a January night bottom out at 1.3°C on average. A year here swings 27°C from midwinter lows to midsummer highs. Rain is plentiful here, more than falls on 75% of mainland French towns. Homes need heating from November to March, the months averaging under 10°C.
These are the figures of Météo-France’s Baneins station, 2.3 km south.
A year in Dompierre-sur-Chalaronne at a glance
Each month’s typical high and low in °C, at the Baneins station.
What a year in Dompierre-sur-Chalaronne feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Baneins.
About 880 mm of rain a year
October is the wettest month and February the driest. About 27 days a year bring 10 mm or more. 38th wettest of 60 towns of 2,500+ in Ain.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Mâcon
48 frosts and 89 days of 25°C a year
On about 48 nights a year the air drops to 0°C or below, and on about 7 days it stays below freezing all day. About 89 days a year reach 25°C, and 36 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Baneins: 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 Baneins
Baneins is 2.3 km south of Dompierre-sur-Chalaronne. Every figure on this page is the station’s, not a measurement in Dompierre-sur-Chalaronne itself.
| Station (Météo-France number) | Baneins (01028001) |
| Distance from the town | 2.3 km south |
| Station altitude | 242 m |
| Town altitude (its center) | 244 m |
| Period | 1991–2020 |
| Sunshine measured at | Mâcon, 19 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 Dompierre-sur-Chalaronne 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 Ain.
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 |
|---|---|---|---|---|
| Dompierre-sur-Chalaronne | Baneins | 28.2°C | 1.3°C | 880 mm |
| Châtillon-sur-Chalaronne 5 km | same station | 28.2°C about the same | 1.3°C about the same | 880 mm |
| Saint-Didier-sur-Chalaronne 7.7 km | same station | 28.2°C about the same | 1.3°C about the same | 880 mm |
| Vonnas 11 km | same station | 28.2°C about the same | 1.3°C about the same | 880 mm |
| Montmerle-sur-Saône 13 km | Villefranche | 28.8°C 0.6°C warmer | 0.9°C about the same | 791 mm |
| Belleville-en-Beaujolais 13 km | Villefranche | 28.8°C 0.6°C warmer | 0.9°C about the same | 791 mm |
| La Chapelle-de-Guinchay 13 km | Mâcon | 27.1°C 1.1°C cooler | 0.7°C 0.6°C colder | 834 mm |
Dompierre-sur-Chalaronne weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Baneins station; sunshine at Mâcon.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.5°C | 1.3°C | 3.9°C | 60 mm | 62 |
| February | 8.5°C | 1.3°C | 4.9°C | 51 mm | 96 |
| March | 13.3°C | 4.1°C | 8.7°C | 53 mm | 164 |
| April | 17.3°C | 6.5°C | 11.9°C | 73 mm | 192 |
| May | 21.5°C | 10.7°C | 16.1°C | 80 mm | 217 |
| June | 25.7°C | 14.4°C | 20.0°C | 73 mm | 249 |
| July | 28.2°C | 15.8°C | 22.0°C | 79 mm | 275 |
| August | 28.1°C | 15.2°C | 21.6°C | 76 mm | 251 |
| September | 23.1°C | 11.6°C | 17.3°C | 78 mm | 195 |
| October | 17.4°C | 8.8°C | 13.1°C | 100 mm | 120 |
| November | 10.8°C | 4.7°C | 7.8°C | 95 mm | 71 |
| December | 7.2°C | 2.2°C | 4.7°C | 64 mm | 52 |
| Year | 17.3°C | 8.0°C | 12.7°C | 880 mm | 1,943 |
Where Dompierre-sur-Chalaronne’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Baneins, 2.3 km away: statistics for 1991–2020.
- 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, Mâcon, 19 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 Ain.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Dompierre-sur-Chalaronne’s climate
How warm does Dompierre-sur-Chalaronne get in summer?
July is the warmest month, with average highs of 28.2°C. About 89 days a year reach 25°C, more than 80% of mainland French towns, and about 36 reach 30°C.
How cold does Dompierre-sur-Chalaronne get in winter?
January nights average 1.3°C. The air drops to 0°C or below on about 48 nights a year, and about 7 days a year stay below freezing all day.
How much rain does Dompierre-sur-Chalaronne get?
About 880 mm a year, more than 75% of mainland French towns. October is the wettest month (100 mm) and February the driest (51 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Mâcon (19 km away), averages 1,943 hours of sunshine a year.
Are these figures for Dompierre-sur-Chalaronne itself?
No: they are the normals of the Météo-France station matched to Dompierre-sur-Chalaronne, Baneins, 2.3 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 BANEINS, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Dompierre-sur-Chalaronne →
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.