Coligny sits near the top of mainland French towns for rain, with 1,350 mm a year
Expect July afternoons of about 25.6°C. Frost is common: about 85 nights a year drop below freezing, more than in 97% of mainland French towns. Winter and summer sit 27°C apart. Waterproofs come out on about 135 days a year, each with 1 mm of rain or more.
These are the figures of Météo-France’s Saint-Julien - Sa station, 8 km east.
A year in Coligny at a glance
Each month’s typical high and low in °C, at the Saint-Julien - Sa station.
What a year in Coligny feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Julien - Sa.
About 1,350 mm of rain a year
November is the wettest month and June the driest. About 47 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 Mâcon
A frosty town: 85 frosts and 57 days of 25°C a year
On about 85 nights a year the air drops to 0°C or below, and on about 8 days it stays below freezing all day. About 57 days a year reach 25°C, and 14 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Julien - Sa: 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 Saint-Julien - Sa
Saint-Julien - Sa is 8 km east of Coligny. Every figure on this page is the station’s, not a measurement in Coligny itself.
| Station (Météo-France number) | Saint-Julien - Sa (39485002) |
| Distance from the town | 8 km east |
| Station altitude | 361 m |
| Town altitude (its center) | 277 m |
| Period | 1996–2020 (the station’s own record) |
| Sunshine measured at | Mâcon, 43 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 Coligny 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 |
|---|---|---|---|---|
| Coligny | Saint-Julien - Sa | 25.6°C | −1.3°C | 1,350 mm |
| Saint-Étienne-du-Bois 12 km | Ceyzériat | 26.6°C 1°C warmer | 0.1°C 1.4°C milder | 1,033 mm |
| Attignat 18 km | Ceyzériat | 26.6°C 1°C warmer | 0.1°C 1.4°C milder | 1,033 mm |
| Montrevel-en-Bresse 18 km | Romenay | 27.2°C 1.6°C warmer | 0.2°C 1.5°C milder | 984 mm |
| Viriat 18 km | Ceyzériat | 26.6°C 1°C warmer | 0.1°C 1.4°C milder | 1,033 mm |
| Bourg-en-Bresse 22 km | Ceyzériat | 26.6°C 1°C warmer | 0.1°C 1.4°C milder | 1,033 mm |
| Polliat 22 km | Ceyzériat | 26.6°C 1°C warmer | 0.1°C 1.4°C milder | 1,033 mm |
Coligny weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Julien - Sa station; sunshine at Mâcon.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.0°C | −1.3°C | 2.4°C | 115 mm | 62 |
| February | 7.7°C | −1.4°C | 3.2°C | 97 mm | 96 |
| March | 12.2°C | 1.0°C | 6.6°C | 108 mm | 164 |
| April | 16.0°C | 3.7°C | 9.9°C | 105 mm | 192 |
| May | 19.8°C | 7.6°C | 13.7°C | 127 mm | 217 |
| June | 23.9°C | 11.1°C | 17.5°C | 92 mm | 249 |
| July | 25.6°C | 12.5°C | 19.1°C | 98 mm | 275 |
| August | 25.3°C | 12.2°C | 18.8°C | 109 mm | 251 |
| September | 21.2°C | 8.9°C | 15.0°C | 93 mm | 195 |
| October | 16.3°C | 6.4°C | 11.4°C | 131 mm | 120 |
| November | 10.2°C | 2.1°C | 6.2°C | 146 mm | 71 |
| December | 6.6°C | −0.6°C | 3.0°C | 131 mm | 52 |
| Year | 15.9°C | 5.2°C | 10.6°C | 1,350 mm | 1,943 |
Where Coligny’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Julien - Sa, 8 km away: statistics for 1991–2020 (the station’s own years, 1996–2020, 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, Mâcon, 43 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 Coligny’s climate
How warm does Coligny get in summer?
July is the warmest month, with average highs of 25.6°C. About 57 days a year reach 25°C, fewer than 57% of mainland French towns, and about 14 reach 30°C.
How cold does Coligny get in winter?
February nights average −1.4°C. The air drops to 0°C or below on about 85 nights a year, and about 8 days a year stay below freezing all day.
How much rain does Coligny get?
About 1,350 mm a year, more than 98% of mainland French towns. November is the wettest month (146 mm) and June the driest (92 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Mâcon (43 km away), averages 1,943 hours of sunshine a year.
Are these figures for Coligny itself?
No: they are the normals of the Météo-France station matched to Coligny, Saint-Julien - Sa, 8 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 ST JULIEN - SA, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Coligny →
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.