Culoz-Béon sits near the bottom of mainland French towns for winter warmth
Midsummer highs settle at about 27.8°C. Rain is plentiful here, more than falls on 96% of mainland French towns. December is the wettest month, February the driest. Comfortable outdoor weather, highs of 22–26°C, belongs to May, June and September.
These are the figures of Météo-France’s Bloye station, 13 km east.
A year in Culoz-Béon at a glance
Each month’s typical high and low in °C, at the Bloye station.
What a year in Culoz-Béon feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Bloye.
About 1,207 mm of rain a year
December is the wettest month and February the driest. About 44 days a year bring 10 mm or more. 8th wettest of 60 towns of 2,500+ in Ain.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Chambery-Aix
A frosty town: 83 frosts and 84 days of 25°C a year
On about 83 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 29 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Bloye: 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 Bloye
Bloye is 13 km east of Culoz-Béon. Every figure on this page is the station’s, not a measurement in Culoz-Béon itself.
| Station (Météo-France number) | Bloye (74035001) |
| Distance from the town | 13 km east |
| Station altitude | 375 m |
| Town altitude (its center) | 276 m |
| Period | 1995–2020 (the station’s own record) |
| Nearest station of any kind | 11 km |
| Sunshine measured at | Chambery-Aix, 25 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 Culoz-Béon 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 |
|---|---|---|---|---|
| Culoz-Béon | Bloye | 27.8°C | −1.5°C | 1,207 mm |
| Belley 13 km | Chambery-Aix | 27.8°C about the same | −0.7°C 0.8°C milder | 1,204 mm |
| Rumilly 13 km | same station | 27.8°C about the same | −1.5°C about the same | 1,207 mm |
| Vallières-sur-Fier 14 km | same station | 27.8°C about the same | −1.5°C about the same | 1,207 mm |
| Entrelacs 14 km | same station | 27.8°C about the same | −1.5°C about the same | 1,207 mm |
| La Biolle 15 km | Mognard | 27.5°C about the same | −2.0°C 0.5°C colder | 1,280 mm |
| Yenne 17 km | Chambery-Aix | 27.8°C about the same | −0.7°C 0.8°C milder | 1,204 mm |
Culoz-Béon weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Bloye station; sunshine at Chambery-Aix.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.8°C | −1.5°C | 2.1°C | 99 mm | 77 |
| February | 8.2°C | −1.4°C | 3.4°C | 83 mm | 102 |
| March | 13.2°C | 1.4°C | 7.3°C | 90 mm | 158 |
| April | 17.5°C | 4.5°C | 11.0°C | 91 mm | 176 |
| May | 21.5°C | 8.9°C | 15.2°C | 99 mm | 202 |
| June | 25.8°C | 12.5°C | 19.1°C | 99 mm | 236 |
| July | 27.8°C | 13.8°C | 20.8°C | 86 mm | 262 |
| August | 27.3°C | 13.6°C | 20.4°C | 100 mm | 237 |
| September | 22.7°C | 10.0°C | 16.4°C | 104 mm | 181 |
| October | 17.4°C | 6.8°C | 12.1°C | 118 mm | 124 |
| November | 10.4°C | 2.1°C | 6.2°C | 117 mm | 75 |
| December | 6.1°C | −0.9°C | 2.6°C | 121 mm | 66 |
| Year | 17.0°C | 5.8°C | 11.4°C | 1,207 mm | 1,895 |
Where Culoz-Béon’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Bloye, 13 km away: statistics for 1991–2020 (the station’s own years, 1995–2020, where its record is shorter).
- 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, Chambery-Aix, 25 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 Culoz-Béon’s climate
How warm does Culoz-Béon get in summer?
July is the warmest month, with average highs of 27.8°C. About 84 days a year reach 25°C, more than 75% of mainland French towns, and about 29 reach 30°C.
How cold does Culoz-Béon get in winter?
January nights average −1.5°C. The air drops to 0°C or below on about 83 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Culoz-Béon get?
About 1,207 mm a year, more than 96% of mainland French towns. December is the wettest month (121 mm) and February the driest (83 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Chambery-Aix (25 km away), averages 1,895 hours of sunshine a year.
Are these figures for Culoz-Béon itself?
No: they are the normals of the Météo-France station matched to Culoz-Béon, Bloye, 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 BLOYE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Culoz-Béon →
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.