July in Bron runs hotter than in 81% of mainland French towns
In January the night’s low is typically 1.1°C. None of the 118 towns of 2,500+ in Rhône has milder January nights. The year swings widely: the coldest month’s nights and the warmest month’s afternoons are 27°C apart. Radiators earn their keep from November to March, the months that average under 10°C.
Figures from Météo-France’s Lyon-Bron station, 3.3 km south-east.
A year in Bron at a glance
Each month’s typical high and low in °C, at the Lyon-Bron station.
What a year in Bron feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Lyon-Bron.
About 821 mm of rain a year
October is the wettest month and February the driest. About 25 days a year bring 10 mm or more. 13th wettest of 118 towns of 2,500+ in Rhône.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Lyon-Bron
42 frosts and 84 days of 25°C a year
On about 42 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 84 days a year reach 25°C, and 31 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Lyon-Bron: 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 Lyon-Bron
Lyon-Bron is 3.3 km south-east of Bron. Every figure on this page is the station’s, not a measurement in Bron itself.
| Station (Météo-France number) | Lyon-Bron (69029001) |
| Distance from the town | 3.3 km south-east |
| Station altitude | 202 m |
| Town altitude (its center) | 202 m |
| Period | 1991–2020 |
| Sunshine measured at | the same station |
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 Bron 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 |
|---|---|---|---|---|
| Bron | Lyon-Bron | 28.2°C | 1.1°C | 821 mm |
| Lyon 8e 3.4 km | same station | 28.2°C about the same | 1.1°C about the same | 821 mm |
| Villeurbanne 4.1 km | same station | 28.2°C about the same | 1.1°C about the same | 821 mm |
| Lyon 3e 4.2 km | same station | 28.2°C about the same | 1.1°C about the same | 821 mm |
| Chassieu 4.4 km | same station | 28.2°C about the same | 1.1°C about the same | 821 mm |
| Vénissieux 4.4 km | same station | 28.2°C about the same | 1.1°C about the same | 821 mm |
| Vaulx-en-Velin 4.5 km | same station | 28.2°C about the same | 1.1°C about the same | 821 mm |
Bron weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Lyon-Bron station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.1°C | 1.1°C | 4.1°C | 50 mm | 71 |
| February | 9.0°C | 1.4°C | 5.2°C | 42 mm | 102 |
| March | 13.8°C | 4.2°C | 9.0°C | 49 mm | 174 |
| April | 17.4°C | 7.2°C | 12.3°C | 69 mm | 198 |
| May | 21.5°C | 11.2°C | 16.3°C | 81 mm | 224 |
| June | 25.6°C | 15.0°C | 20.3°C | 74 mm | 257 |
| July | 28.2°C | 17.0°C | 22.6°C | 67 mm | 288 |
| August | 28.0°C | 16.6°C | 22.3°C | 66 mm | 263 |
| September | 23.1°C | 12.8°C | 17.9°C | 83 mm | 204 |
| October | 17.7°C | 9.6°C | 13.7°C | 100 mm | 131 |
| November | 11.4°C | 4.9°C | 8.1°C | 87 mm | 79 |
| December | 7.7°C | 2.0°C | 4.8°C | 54 mm | 59 |
| Year | 17.5°C | 8.6°C | 13.0°C | 821 mm | 2,050 |
Where Bron’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Lyon-Bron, 3.3 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, Lyon-Bron, 3.3 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 Rhône.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Bron’s climate
How warm does Bron get in summer?
July is the warmest month, with average highs of 28.2°C. About 84 days a year reach 25°C, more than 74% of mainland French towns, and about 31 reach 30°C.
How cold does Bron get in winter?
January nights average 1.1°C. The air drops to 0°C or below on about 42 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Bron get?
About 821 mm a year, more than 64% of mainland French towns. October is the wettest month (100 mm) and February the driest (42 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Lyon-Bron (3.3 km away), averages 2,050 hours of sunshine a year.
Are these figures for Bron itself?
No: they are the normals of the Météo-France station matched to Bron, Lyon-Bron, 3.3 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 LYON-BRON, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Bron →
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.