Summer afternoons in Rancé are warmer than in 75% of mainland French towns
Midwinter brings lows of about 1.0°C. By January nights alone, it runs colder than 75% of mainland French towns. October is the wettest month, February the driest. Picnics, hikes and garden evenings suit May, June and September, with highs of 21–25°C.
Figures from Météo-France’s Pommiers station, 13 km west.
A year in Rancé at a glance
Each month’s typical high and low in °C, at the Pommiers station.
What a year in Rancé feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Pommiers.
About 778 mm of rain a year
October is the wettest month and February the driest. About 22 days a year bring 10 mm or more. 61st wettest of 60 towns of 2,500+ in Ain.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Lyon-Bron
44 frosts and 80 days of 25°C a year
On about 44 nights a year the air drops to 0°C or below, and on about 8 days it stays below freezing all day. About 80 days a year reach 25°C, and 29 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Pommiers: 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 Pommiers
Pommiers is 13 km west of Rancé. Every figure on this page is the station’s, not a measurement in Rancé itself.
| Station (Météo-France number) | Pommiers (69156001) |
| Distance from the town | 13 km west |
| Station altitude | 315 m |
| Town altitude (its center) | 290 m |
| Period | 1991–2020 |
| Nearest station of any kind | 10 km |
| Sunshine measured at | Lyon-Bron, 28 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 Rancé 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, each with its own matched station.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Rancé | Pommiers | 27.7°C | 1.0°C | 778 mm |
| Reyrieux 5.3 km | Villefranche | 28.8°C 1.1°C warmer | 0.9°C about the same | 791 mm |
| Massieux 7.2 km | Villefranche | 28.8°C 1.1°C warmer | 0.9°C about the same | 791 mm |
| Trévoux 7.4 km | Villefranche | 28.8°C 1.1°C warmer | 0.9°C about the same | 791 mm |
| Frans 7.4 km | Villefranche | 28.8°C 1.1°C warmer | 0.9°C about the same | 791 mm |
| Genay 8.1 km | Villefranche | 28.8°C 1.1°C warmer | 0.9°C about the same | 791 mm |
| Saint-André-de-Corcy 8.1 km | Marlieux | 27.8°C about the same | 0.5°C 0.5°C colder | 909 mm |
Rancé weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Pommiers station; sunshine at Lyon-Bron.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.4°C | 1.0°C | 3.7°C | 47 mm | 71 |
| February | 8.4°C | 1.4°C | 4.9°C | 38 mm | 102 |
| March | 13.4°C | 4.3°C | 8.8°C | 45 mm | 174 |
| April | 17.0°C | 7.0°C | 12.0°C | 58 mm | 198 |
| May | 21.2°C | 10.7°C | 15.9°C | 73 mm | 224 |
| June | 25.3°C | 14.3°C | 19.8°C | 70 mm | 257 |
| July | 27.7°C | 16.2°C | 22.0°C | 76 mm | 288 |
| August | 27.5°C | 15.9°C | 21.7°C | 73 mm | 263 |
| September | 22.6°C | 12.3°C | 17.4°C | 70 mm | 204 |
| October | 16.9°C | 9.0°C | 13.0°C | 86 mm | 131 |
| November | 10.6°C | 4.6°C | 7.6°C | 85 mm | 79 |
| December | 6.9°C | 1.7°C | 4.3°C | 54 mm | 59 |
| Year | 17.0°C | 8.2°C | 12.6°C | 778 mm | 2,050 |
Where Rancé’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Pommiers, 13 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, Lyon-Bron, 28 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 Rancé’s climate
How warm does Rancé get in summer?
July is the warmest month, with average highs of 27.7°C. About 80 days a year reach 25°C, more than 71% of mainland French towns, and about 29 reach 30°C.
How cold does Rancé get in winter?
January nights average 1.0°C. The air drops to 0°C or below on about 44 nights a year, and about 8 days a year stay below freezing all day.
How much rain does Rancé get?
About 778 mm a year, more than 55% of mainland French towns. October is the wettest month (86 mm) and February the driest (38 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Lyon-Bron (28 km away), averages 2,050 hours of sunshine a year.
Are these figures for Rancé itself?
No: they are the normals of the Météo-France station matched to Rancé, Pommiers, 13 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 POMMIERS, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Rancé →
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.