Afternoon heat in Thil beats that of 81% of mainland French towns
Nights in January average 1.1°C. The rainiest month is October; the driest is February. In January, nights here are colder than in 72% of mainland French towns. Gritters and ice scrapers earn their keep on roughly 42 nights a year below 0°C.
Figures from Météo-France’s Lyon-Bron station, 12 km south-west.
A year in Thil at a glance
Each month’s typical high and low in °C, at the Lyon-Bron station.
What a year in Thil 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. 50th wettest of 60 towns of 2,500+ in Ain.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Lyon-Saint-Exupery
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 12 km south-west of Thil. Every figure on this page is the station’s, not a measurement in Thil itself.
| Station (Météo-France number) | Lyon-Bron (69029001) |
| Distance from the town | 12 km south-west |
| Station altitude | 202 m |
| Town altitude (its center) | 179 m |
| Period | 1991–2020 |
| Nearest station of any kind | 11 km |
| Sunshine measured at | Lyon-Saint-Exupery, 11 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 Thil 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 |
|---|---|---|---|---|
| Thil | Lyon-Bron | 28.2°C | 1.1°C | 821 mm |
| Beynost 2.9 km | same station | 28.2°C about the same | 1.1°C about the same | 821 mm |
| Jonage 3 km | Lyon-Saint-Exupery | 27.5°C 0.7°C cooler | 1.1°C about the same | 863 mm |
| La Boisse 3.2 km | same station | 28.2°C about the same | 1.1°C about the same | 821 mm |
| Saint-Maurice-de-Beynost 3.7 km | same station | 28.2°C about the same | 1.1°C about the same | 821 mm |
| Meyzieu 5.1 km | same station | 28.2°C about the same | 1.1°C about the same | 821 mm |
| Montluel 5.3 km | Lyon-Saint-Exupery | 27.5°C 0.7°C cooler | 1.1°C about the same | 863 mm |
Thil weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Lyon-Bron station; sunshine at Lyon-Saint-Exupery.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.1°C | 1.1°C | 4.1°C | 50 mm | 73 |
| February | 9.0°C | 1.4°C | 5.2°C | 42 mm | 99 |
| March | 13.8°C | 4.2°C | 9.0°C | 49 mm | 168 |
| April | 17.4°C | 7.2°C | 12.3°C | 69 mm | 183 |
| May | 21.5°C | 11.2°C | 16.3°C | 81 mm | 217 |
| June | 25.6°C | 15.0°C | 20.3°C | 74 mm | 252 |
| July | 28.2°C | 17.0°C | 22.6°C | 67 mm | 279 |
| August | 28.0°C | 16.6°C | 22.3°C | 66 mm | 247 |
| September | 23.1°C | 12.8°C | 17.9°C | 83 mm | 186 |
| October | 17.7°C | 9.6°C | 13.7°C | 100 mm | 124 |
| November | 11.4°C | 4.9°C | 8.1°C | 87 mm | 72 |
| December | 7.7°C | 2.0°C | 4.8°C | 54 mm | 50 |
| Year | 17.5°C | 8.6°C | 13.0°C | 821 mm | 1,947 |
Where Thil’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Lyon-Bron, 12 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-Saint-Exupery, 11 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 Thil’s climate
How warm does Thil 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 Thil 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 Thil 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-Saint-Exupery (11 km away), averages 1,947 hours of sunshine a year.
Are these figures for Thil itself?
No: they are the normals of the Météo-France station matched to Thil, Lyon-Bron, 12 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 Thil →
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.