Midwinter lows in Châtillon sink below those of 92% of mainland French towns
July afternoons average 27.9°C. Summer afternoons here are warmer than in 77% of mainland French towns. From frosty January to warm July, readings climb 29°C. Warm coats and heating bills mark the months from November to March, when means dip under 10°C.
Figures from Météo-France’s Le Breuil station, 5.4 km north-west.
A year in Châtillon at a glance
Each month’s typical high and low in °C, at the Le Breuil station.
What a year in Châtillon feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Le Breuil.
About 750 mm of rain a year
November is the wettest month and February the driest. About 22 days a year bring 10 mm or more. 108th wettest of 118 towns of 2,500+ in Rhône.
Rain by month
Millimeters
A frosty town: 72 frosts and 82 days of 25°C a year
On about 72 nights a year the air drops to 0°C or below, and on about 6 days it stays below freezing all day. About 82 days a year reach 25°C, and 28 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Le Breuil: 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 Le Breuil
Le Breuil is 5.4 km north-west of Châtillon. Every figure on this page is the station’s, not a measurement in Châtillon itself.
| Station (Météo-France number) | Le Breuil (69026001) |
| Distance from the town | 5.4 km north-west |
| Station altitude | 275 m |
| Town altitude (its center) | 213 m |
| Period | 1991–2020 |
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 Châtillon 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 Rhône.
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 |
|---|---|---|---|---|
| Châtillon | Le Breuil | 27.9°C | −0.7°C | 750 mm |
| Lozanne 3.7 km | same station | 27.9°C about the same | −0.7°C about the same | 750 mm |
| Chazay-d'Azergues 4.8 km | same station | 27.9°C about the same | −0.7°C about the same | 750 mm |
| L'Arbresle 4.9 km | same station | 27.9°C about the same | −0.7°C about the same | 750 mm |
| Lentilly 6.6 km | same station | 27.9°C about the same | −0.7°C about the same | 750 mm |
| Dommartin 6.8 km | same station | 27.9°C about the same | −0.7°C about the same | 750 mm |
| Sain-Bel 7.7 km | same station | 27.9°C about the same | −0.7°C about the same | 750 mm |
Châtillon weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Le Breuil station.
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 7.1°C | −0.7°C | 3.2°C | 46 mm |
| February | 9.0°C | −0.5°C | 4.2°C | 37 mm |
| March | 13.7°C | 1.8°C | 7.8°C | 42 mm |
| April | 17.1°C | 4.4°C | 10.8°C | 58 mm |
| May | 21.3°C | 8.3°C | 14.8°C | 72 mm |
| June | 25.4°C | 11.8°C | 18.6°C | 73 mm |
| July | 27.9°C | 13.6°C | 20.7°C | 71 mm |
| August | 27.6°C | 13.2°C | 20.4°C | 70 mm |
| September | 22.9°C | 9.7°C | 16.3°C | 68 mm |
| October | 17.5°C | 6.8°C | 12.2°C | 80 mm |
| November | 11.2°C | 2.8°C | 7.0°C | 83 mm |
| December | 7.4°C | 0.0°C | 3.7°C | 50 mm |
| Year | 17.3°C | 5.9°C | 11.6°C | 750 mm |
Where Châtillon’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Le Breuil, 5.4 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.
- Comparisons: every town of 2,500 or more in mainland France, read the same way; the dots are the towns of 2,500+ in Rhône.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Châtillon’s climate
How warm does Châtillon get in summer?
July is the warmest month, with average highs of 27.9°C. About 82 days a year reach 25°C, more than 72% of mainland French towns, and about 28 reach 30°C.
How cold does Châtillon get in winter?
January nights average −0.7°C. The air drops to 0°C or below on about 72 nights a year, and about 6 days a year stay below freezing all day.
How much rain does Châtillon get?
About 750 mm a year, less than 51% of mainland French towns. November is the wettest month (83 mm) and February the driest (37 mm).
Are these figures for Châtillon itself?
No: they are the normals of the Météo-France station matched to Châtillon, Le Breuil, 5.4 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 LE BREUIL, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Châtillon →
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.