Hardly any mainland French towns collect more rain than Roudouallec: 1,366 mm a year
Sunny July days climb to about 22.9°C. Temperatures cover 20°C across the year, low to high. Its July afternoons stay fresher than in 92% of mainland French towns. Gritters and ice scrapers earn their keep on roughly 27 nights a year below 0°C.
Figures from Météo-France’s Guiscriff station, 11 km south-east.
A year in Roudouallec at a glance
Each month’s typical high and low in °C, at the Guiscriff station.
What a year in Roudouallec feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Guiscriff.
About 1,366 mm of rain a year
December is the wettest month and July the driest. About 47 days a year bring 10 mm or more. The wettest of 88 towns of 2,500+ in Morbihan.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Quimper
27 frosts and 30 days of 25°C a year
On about 27 nights a year the air drops to 0°C or below; days that stay below freezing are rare. About 30 days a year reach 25°C, and 4 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Guiscriff: 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 Guiscriff
Guiscriff is 11 km south-east of Roudouallec. Every figure on this page is the station’s, not a measurement in Roudouallec itself.
| Station (Météo-France number) | Guiscriff (56081001) |
| Distance from the town | 11 km south-east |
| Station altitude | 180 m |
| Town altitude (its center) | 178 m |
| Period | 1991–2020 |
| Sunshine measured at | Quimper, 38 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 Roudouallec 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 |
|---|---|---|---|---|
| Roudouallec | Guiscriff | 22.9°C | 3.3°C | 1,366 mm |
| Gourin 7 km | same station | 22.9°C about the same | 3.3°C about the same | 1,366 mm |
| Châteauneuf-du-Faou 12 km | Coray Chat Eau | 21.8°C 1.1°C cooler | 3.3°C about the same | 1,423 mm |
| Scaër 12 km | same station | 22.9°C about the same | 3.3°C about the same | 1,366 mm |
| Le Faouët 18 km | Lanvénégen | 23.7°C 0.8°C warmer | 3.3°C about the same | 1,215 mm |
| Carhaix-Plouguer 19 km | Carhaix | 22.9°C about the same | 3.2°C about the same | 1,112 mm |
| Elliant 20 km | Quimper | 21.8°C 1.1°C cooler | 4.5°C 1.2°C milder | 1,214 mm |
Roudouallec weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Guiscriff station; sunshine at Quimper.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.8°C | 3.3°C | 6.0°C | 183 mm | 66 |
| February | 9.6°C | 3.0°C | 6.3°C | 136 mm | 90 |
| March | 12.2°C | 4.2°C | 8.2°C | 97 mm | 133 |
| April | 14.9°C | 5.4°C | 10.2°C | 94 mm | 177 |
| May | 18.2°C | 8.3°C | 13.3°C | 82 mm | 201 |
| June | 21.1°C | 11.0°C | 16.1°C | 63 mm | 209 |
| July | 22.9°C | 12.8°C | 17.8°C | 63 mm | 205 |
| August | 22.9°C | 12.8°C | 17.8°C | 73 mm | 195 |
| September | 20.4°C | 10.8°C | 15.6°C | 83 mm | 175 |
| October | 16.0°C | 8.8°C | 12.4°C | 144 mm | 112 |
| November | 12.0°C | 5.9°C | 8.9°C | 161 mm | 79 |
| December | 9.4°C | 3.9°C | 6.6°C | 188 mm | 67 |
| Year | 15.7°C | 7.5°C | 11.6°C | 1,366 mm | 1,708 |
Where Roudouallec’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Guiscriff, 11 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, Quimper, 38 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 Roudouallec’s climate
How warm does Roudouallec get in summer?
July is the warmest month, with average highs of 22.9°C. About 30 days a year reach 25°C, fewer than 92% of mainland French towns, and about 4 reach 30°C.
How cold does Roudouallec get in winter?
February nights average 3.0°C. The air drops to 0°C or below on about 27 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Roudouallec get?
About 1,366 mm a year, more than 98% of mainland French towns. December is the wettest month (188 mm) and July the driest (63 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Quimper (38 km away), averages 1,708 hours of sunshine a year.
Are these figures for Roudouallec itself?
No: they are the normals of the Météo-France station matched to Roudouallec, Guiscriff, 11 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 GUISCRIFF, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Roudouallec →
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.