Sauzon sits near the top of mainland French towns for mild winters
Expect July afternoons of about 21.3°C. Days of 25°C are scarce: about 12 a year, fewer than in 98% of mainland French towns. The seasons sit close together: from a winter night to a summer afternoon the average spans only 16°C. Windscreens need scraping on about 5 mornings a year, the nights the air drops below 0°C.
Figures from Météo-France’s Belle Île-le Talut station, 7.5 km south.
A year in Sauzon at a glance
Each month’s typical high and low in °C, at the Belle Île-le Talut station.
What a year in Sauzon feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Belle Île-le Talut.
About 681 mm of rain a year
November is the wettest month and June the driest. About 18 days a year bring 10 mm or more. 88th wettest of 88 towns of 2,500+ in Morbihan.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Vannes-Séné
5 frosts and 12 days of 25°C a year
On about 5 nights a year the air drops to 0°C or below; days that stay below freezing are rare. About 12 days a year reach 25°C, and under 1 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Belle Île-le Talut: 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 Belle Île-le Talut
Belle Île-le Talut is 7.5 km south of Sauzon. Every figure on this page is the station’s, not a measurement in Sauzon itself.
| Station (Météo-France number) | Belle Île-le Talut (56009001) |
| Distance from the town | 7.5 km south |
| Station altitude | 37 m |
| Town altitude (its center) | 39 m |
| Period | 1991–2020 |
| Sunshine measured at | Vannes-Séné, 47 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 Sauzon 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 Morbihan.
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.
Sauzon weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Belle Île-le Talut station; sunshine at Vannes-Séné.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.0°C | 6.4°C | 8.2°C | 81 mm | 75 |
| February | 10.0°C | 5.9°C | 7.9°C | 59 mm | 107 |
| March | 11.8°C | 7.1°C | 9.5°C | 48 mm | 157 |
| April | 13.9°C | 8.5°C | 11.2°C | 47 mm | 201 |
| May | 16.8°C | 11.2°C | 14.0°C | 43 mm | 222 |
| June | 19.5°C | 13.7°C | 16.6°C | 34 mm | 244 |
| July | 21.3°C | 15.4°C | 18.3°C | 37 mm | 255 |
| August | 21.6°C | 15.6°C | 18.6°C | 40 mm | 225 |
| September | 19.9°C | 14.0°C | 17.0°C | 53 mm | 202 |
| October | 16.5°C | 12.3°C | 14.4°C | 72 mm | 121 |
| November | 13.3°C | 9.4°C | 11.4°C | 84 mm | 93 |
| December | 11.0°C | 7.2°C | 9.1°C | 82 mm | 79 |
| Year | 15.5°C | 10.6°C | 13.0°C | 681 mm | 1,981 |
Where Sauzon’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Belle Île-le Talut, 7.5 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, Vannes-Séné, 47 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 Morbihan.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Sauzon’s climate
How warm does Sauzon get in summer?
August is the warmest month, with average highs of 21.6°C. About 12 days a year reach 25°C, fewer than 98% of mainland French towns, and about under 1 reach 30°C.
How cold does Sauzon get in winter?
February nights average 5.9°C. The air drops to 0°C or below on about 5 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Sauzon get?
About 681 mm a year, less than 75% of mainland French towns. November is the wettest month (84 mm) and June the driest (34 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Vannes-Séné (47 km away), averages 1,981 hours of sunshine a year.
Are these figures for Sauzon itself?
No: they are the normals of the Météo-France station matched to Sauzon, Belle Île-le Talut, 7.5 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 BELLE ILE-LE TALUT, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Sauzon →
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.