Edern sits near the top of mainland French towns for rain, with 1,423 mm a year
High summer brings afternoon highs near 21.8°C. December is the wettest month, June the driest. Its July afternoons stay fresher than in 96% of mainland French towns. For walks and days out, the stretch from May to September brings highs of 17–22°C.
Figures from Météo-France’s Coray Chat Eau station, 12 km south-east.
A year in Edern at a glance
Each month’s typical high and low in °C, at the Coray Chat Eau station.
What a year in Edern feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Coray Chat Eau.
About 1,423 mm of rain a year
December is the wettest month and June the driest. About 48 days a year bring 10 mm or more. The wettest of 91 towns of 2,500+ in Finistère.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Quimper
23 frosts and 21 days of 25°C a year
On about 23 nights a year the air drops to 0°C or below, and on about under 1 days it stays below freezing all day. About 21 days a year reach 25°C, and 2 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Coray Chat Eau: 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 Coray Chat Eau
Coray Chat Eau is 12 km south-east of Edern. Every figure on this page is the station’s, not a measurement in Edern itself.
| Station (Météo-France number) | Coray Chat Eau (29041002) |
| Distance from the town | 12 km south-east |
| Station altitude | 242 m |
| Town altitude (its center) | 167 m |
| Period | 1991–2020 |
| Sunshine measured at | Quimper, 21 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 Edern 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 Finistère.
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 |
|---|---|---|---|---|
| Edern | Coray Chat Eau | 21.8°C | 3.3°C | 1,423 mm |
| Briec 3.3 km | Saint-Ségal S A | 22.5°C 0.7°C warmer | 3.9°C 0.6°C milder | 1,126 mm |
| Ergué-Gabéric 12 km | Plomelin-Inrae | 22.2°C about the same | 4.3°C 1°C milder | 1,150 mm |
| Elliant 13 km | Quimper | 21.8°C about the same | 4.5°C 1.2°C milder | 1,214 mm |
| Pleyben 13 km | Saint-Ségal S A | 22.5°C 0.7°C warmer | 3.9°C 0.6°C milder | 1,126 mm |
| Châteaulin 13 km | Saint-Ségal S A | 22.5°C 0.7°C warmer | 3.9°C 0.6°C milder | 1,126 mm |
| Châteauneuf-du-Faou 14 km | same station | 21.8°C about the same | 3.3°C about the same | 1,423 mm |
Edern weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Coray Chat Eau station; sunshine at Quimper.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.6°C | 3.3°C | 6.0°C | 172 mm | 66 |
| February | 9.3°C | 2.9°C | 6.1°C | 137 mm | 90 |
| March | 11.7°C | 4.3°C | 8.0°C | 98 mm | 133 |
| April | 14.3°C | 5.5°C | 9.9°C | 99 mm | 177 |
| May | 17.4°C | 8.4°C | 12.9°C | 86 mm | 201 |
| June | 20.1°C | 11.0°C | 15.5°C | 72 mm | 209 |
| July | 21.8°C | 12.7°C | 17.3°C | 79 mm | 205 |
| August | 21.8°C | 12.8°C | 17.3°C | 84 mm | 195 |
| September | 19.6°C | 11.0°C | 15.3°C | 94 mm | 175 |
| October | 15.6°C | 8.9°C | 12.2°C | 148 mm | 112 |
| November | 11.8°C | 5.9°C | 8.8°C | 169 mm | 79 |
| December | 9.3°C | 3.9°C | 6.6°C | 185 mm | 67 |
| Year | 15.1°C | 7.6°C | 11.3°C | 1,423 mm | 1,708 |
Where Edern’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Coray Chat Eau, 12 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, 21 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 Finistère.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Edern’s climate
How warm does Edern get in summer?
July is the warmest month, with average highs of 21.8°C. About 21 days a year reach 25°C, fewer than 95% of mainland French towns, and about 2 reach 30°C.
How cold does Edern get in winter?
February nights average 2.9°C. The air drops to 0°C or below on about 23 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Edern get?
About 1,423 mm a year, more than 98% of mainland French towns. December is the wettest month (185 mm) and June the driest (72 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Quimper (21 km away), averages 1,708 hours of sunshine a year.
Are these figures for Edern itself?
No: they are the normals of the Météo-France station matched to Edern, Coray Chat Eau, 12 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 CORAY CHAT EAU, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Edern →
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.