Saint-Léry gets fewer days of 25 degrees or more than 85% of mainland French towns
Nights in January average 3.3°C. From frosty January to warm July, readings climb 21°C. Winters are mild: January nights here are milder than in 80% of mainland French towns. Plan time outside from May to September, when highs sit at 19–24°C.
Figures from Météo-France’s Ploërmel station, 19 km south-west.
A year in Saint-Léry at a glance
Each month’s typical high and low in °C, at the Ploërmel station.
What a year in Saint-Léry feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Ploërmel.
About 767 mm of rain a year
December is the wettest month and July the driest. About 22 days a year bring 10 mm or more. 82nd wettest of 88 towns of 2,500+ in Morbihan.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Rennes-Saint-Jacques
33 frosts and 37 days of 25°C a year
On about 33 nights a year the air drops to 0°C or below, and on about under 1 days it stays below freezing all day. About 37 days a year reach 25°C, and 7 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Ploërmel: 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 Ploërmel
Ploërmel is 19 km south-west of Saint-Léry. Every figure on this page is the station’s, not a measurement in Saint-Léry itself.
| Station (Météo-France number) | Ploërmel (56165003) |
| Distance from the town | 19 km south-west |
| Station altitude | 65 m |
| Town altitude (its center) | 70 m |
| Period | 1991–2020 |
| Nearest station of any kind | 16 km |
| Sunshine measured at | Rennes-Saint-Jacques, 39 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 Saint-Léry 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.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Saint-Léry | Ploërmel | 24.2°C | 3.3°C | 767 mm |
| Mauron 2.9 km | same station | 24.2°C about the same | 3.3°C about the same | 767 mm |
| Saint-Méen-le-Grand 12 km | Le Quiou | 24.7°C 0.5°C warmer | 3.0°C about the same | 757 mm |
| Plélan-le-Grand 16 km | Guer | 25.4°C 1.2°C warmer | 2.9°C about the same | 873 mm |
| Merdrignac 16 km | Loudéac | 23.0°C 1.2°C cooler | 2.8°C 0.5°C colder | 923 mm |
| Iffendic 17 km | Rennes-Saint-Jacques | 24.8°C 0.6°C warmer | 3.3°C about the same | 691 mm |
| Montauban-de-Bretagne 20 km | Le Quiou | 24.7°C 0.5°C warmer | 3.0°C about the same | 757 mm |
Saint-Léry weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Ploërmel station; sunshine at Rennes-Saint-Jacques.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.0°C | 3.3°C | 6.2°C | 84 mm | 68 |
| February | 10.0°C | 3.0°C | 6.5°C | 63 mm | 93 |
| March | 12.7°C | 4.3°C | 8.5°C | 53 mm | 134 |
| April | 15.5°C | 5.5°C | 10.5°C | 58 mm | 174 |
| May | 18.8°C | 8.6°C | 13.7°C | 58 mm | 202 |
| June | 21.9°C | 11.4°C | 16.7°C | 53 mm | 213 |
| July | 24.2°C | 13.1°C | 18.6°C | 40 mm | 220 |
| August | 24.3°C | 13.0°C | 18.7°C | 47 mm | 207 |
| September | 21.5°C | 10.7°C | 16.1°C | 57 mm | 181 |
| October | 16.8°C | 8.9°C | 12.8°C | 81 mm | 117 |
| November | 12.4°C | 5.7°C | 9.1°C | 85 mm | 84 |
| December | 9.5°C | 3.6°C | 6.6°C | 89 mm | 69 |
| Year | 16.4°C | 7.6°C | 12.0°C | 767 mm | 1,762 |
Where Saint-Léry’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Ploërmel, 19 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, Rennes-Saint-Jacques, 39 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 Saint-Léry’s climate
How warm does Saint-Léry get in summer?
August is the warmest month, with average highs of 24.3°C. About 37 days a year reach 25°C, fewer than 85% of mainland French towns, and about 7 reach 30°C.
How cold does Saint-Léry get in winter?
February nights average 3.0°C. The air drops to 0°C or below on about 33 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Saint-Léry get?
About 767 mm a year, more than 53% of mainland French towns. December is the wettest month (89 mm) and July the driest (40 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Rennes-Saint-Jacques (39 km away), averages 1,762 hours of sunshine a year.
Are these figures for Saint-Léry itself?
No: they are the normals of the Météo-France station matched to Saint-Léry, Ploërmel, 19 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 PLOERMEL, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Léry →
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.