Few mainland French towns get more rain than Sault-Brénaz: 1,512 mm a year
On a normal January night the air cools to about −0.7°C. Temperatures cover 28°C across the year, low to high. By frosts alone, it ranks colder than 93% of mainland French towns. Frost greets about 76 mornings a year, so leave time to clear the car.
Figures from Météo-France’s Saint-Rambert-en-Bugey station, 8.3 km north.
A year in Sault-Brénaz at a glance
Each month’s typical high and low in °C, at the Saint-Rambert-en-Bugey station.
What a year in Sault-Brénaz feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Rambert-en-Bugey.
About 1,512 mm of rain a year
November is the wettest month and August the driest. About 52 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 Amberieu
A frosty town: 76 frosts and 81 days of 25°C a year
On about 76 nights a year the air drops to 0°C or below, and on about 7 days it stays below freezing all day. About 81 days a year reach 25°C, and 28 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Rambert-en-Bugey: 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-Rambert-en-Bugey
Saint-Rambert-en-Bugey is 8.3 km north of Sault-Brénaz. Every figure on this page is the station’s, not a measurement in Sault-Brénaz itself.
| Station (Météo-France number) | Saint-Rambert-en-Bugey (01384001) |
| Distance from the town | 8.3 km north |
| Station altitude | 287 m |
| Town altitude (its center) | 244 m |
| Period | 1991–2020 |
| Nearest station of any kind | 6 km |
| Sunshine measured at | Amberieu, 14 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 Sault-Brénaz 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 |
|---|---|---|---|---|
| Sault-Brénaz | Saint-Rambert-en-Bugey | 27.6°C | −0.7°C | 1,512 mm |
| Montalieu-Vercieu 5 km | same station | 27.6°C about the same | −0.7°C about the same | 1,512 mm |
| Lagnieu 6.8 km | Amberieu | 27.5°C about the same | −0.1°C 0.6°C milder | 1,118 mm |
| Ambérieu-en-Bugey 12 km | Amberieu | 27.5°C about the same | −0.1°C 0.6°C milder | 1,118 mm |
| Villieu-Loyes-Mollon 16 km | Amberieu | 27.5°C about the same | −0.1°C 0.6°C milder | 1,118 mm |
| Ambronay 17 km | Amberieu | 27.5°C about the same | −0.1°C 0.6°C milder | 1,118 mm |
| Meximieux 17 km | Amberieu | 27.5°C about the same | −0.1°C 0.6°C milder | 1,118 mm |
Sault-Brénaz weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Rambert-en-Bugey station; sunshine at Amberieu.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.0°C | −0.7°C | 2.6°C | 134 mm | 68 |
| February | 8.2°C | −0.7°C | 3.8°C | 114 mm | 98 |
| March | 13.5°C | 1.6°C | 7.5°C | 112 mm | 170 |
| April | 17.4°C | 4.6°C | 11.0°C | 123 mm | 194 |
| May | 21.5°C | 8.4°C | 14.9°C | 135 mm | 220 |
| June | 25.3°C | 11.5°C | 18.4°C | 105 mm | 252 |
| July | 27.6°C | 13.2°C | 20.4°C | 108 mm | 288 |
| August | 27.2°C | 12.9°C | 20.1°C | 99 mm | 261 |
| September | 22.4°C | 9.8°C | 16.1°C | 128 mm | 189 |
| October | 17.1°C | 7.1°C | 12.1°C | 151 mm | 122 |
| November | 10.4°C | 2.9°C | 6.7°C | 159 mm | 73 |
| December | 6.2°C | 0.2°C | 3.2°C | 145 mm | 55 |
| Year | 16.9°C | 5.9°C | 11.4°C | 1,512 mm | 1,989 |
Where Sault-Brénaz’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Rambert-en-Bugey, 8.3 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, Amberieu, 14 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 Sault-Brénaz’s climate
How warm does Sault-Brénaz get in summer?
July is the warmest month, with average highs of 27.6°C. About 81 days a year reach 25°C, more than 72% of mainland French towns, and about 28 reach 30°C.
How cold does Sault-Brénaz get in winter?
January nights average −0.7°C. The air drops to 0°C or below on about 76 nights a year, and about 7 days a year stay below freezing all day.
How much rain does Sault-Brénaz get?
About 1,512 mm a year, more than almost every mainland French town. November is the wettest month (159 mm) and August the driest (99 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Amberieu (14 km away), averages 1,989 hours of sunshine a year.
Are these figures for Sault-Brénaz itself?
No: they are the normals of the Météo-France station matched to Sault-Brénaz, Saint-Rambert-en-Bugey, 8.3 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 SAINT RAMBERT EN BUGEY, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Sault-Brénaz →
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.