Saint-Connan has some of the coolest summers among mainland French towns
The coldest hours of a January night bottom out at 3.0°C on average. Seasons differ by 19°C, from the coldest nights to the warmest afternoons. Its yearly rainfall tops that of 91% of mainland French towns. Expect about 21 frosty starts a year, nights when the air falls below freezing.
These are the figures of Météo-France’s Kerpert station, 5.3 km west.
A year in Saint-Connan at a glance
Each month’s typical high and low in °C, at the Kerpert station.
What a year in Saint-Connan feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Kerpert.
About 1,089 mm of rain a year
December is the wettest month and July the driest. About 34 days a year bring 10 mm or more. 2nd wettest of 61 towns of 2,500+ in Côtes-d'Armor.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Saint-Brieuc
21 frosts and 16 days of 25°C a year
On about 21 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 16 days a year reach 25°C, and 2 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Kerpert: 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 Kerpert
Kerpert is 5.3 km west of Saint-Connan. Every figure on this page is the station’s, not a measurement in Saint-Connan itself.
| Station (Météo-France number) | Kerpert (22092001) |
| Distance from the town | 5.3 km west |
| Station altitude | 281 m |
| Town altitude (its center) | 195 m |
| Period | 1991–2020 |
| Sunshine measured at | Saint-Brieuc, 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 Saint-Connan 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 Côtes-d'Armor.
Nearby towns’ climate
The nearest towns of 2,500+ within 29 km, each with its own matched station.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Saint-Connan | Kerpert | 21.4°C | 3.0°C | 1,089 mm |
| Quintin 12 km | Plœuc-sur-Lie | 22.6°C 1.2°C warmer | 2.6°C about the same | 955 mm |
| Ploumagoar 15 km | Saint-Brieuc | 21.4°C about the same | 3.8°C 0.8°C milder | 757 mm |
| Châtelaudren-Plouagat 15 km | Saint-Brieuc | 21.4°C about the same | 3.8°C 0.8°C milder | 757 mm |
| Grâces 17 km | Lanleff | 22.5°C 1.1°C warmer | 4.0°C 1°C milder | 846 mm |
| Guingamp 17 km | Lanleff | 22.5°C 1.1°C warmer | 4.0°C 1°C milder | 846 mm |
| Pabu 18 km | Lanleff | 22.5°C 1.1°C warmer | 4.0°C 1°C milder | 846 mm |
Saint-Connan weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Kerpert station; sunshine at Saint-Brieuc.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.7°C | 3.0°C | 5.4°C | 128 mm | 65 |
| February | 8.3°C | 2.8°C | 5.6°C | 103 mm | 83 |
| March | 10.7°C | 4.1°C | 7.4°C | 85 mm | 122 |
| April | 13.2°C | 5.4°C | 9.3°C | 83 mm | 163 |
| May | 16.3°C | 8.0°C | 12.1°C | 70 mm | 188 |
| June | 19.3°C | 10.5°C | 14.9°C | 59 mm | 196 |
| July | 21.4°C | 12.3°C | 16.9°C | 56 mm | 198 |
| August | 21.6°C | 12.5°C | 17.0°C | 63 mm | 182 |
| September | 18.9°C | 10.9°C | 14.9°C | 68 mm | 164 |
| October | 14.8°C | 8.7°C | 11.8°C | 110 mm | 110 |
| November | 10.8°C | 5.7°C | 8.3°C | 123 mm | 79 |
| December | 8.3°C | 3.6°C | 5.9°C | 141 mm | 66 |
| Year | 14.3°C | 7.3°C | 10.8°C | 1,089 mm | 1,616 |
Where Saint-Connan’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Kerpert, 5.3 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, Saint-Brieuc, 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 Côtes-d'Armor.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Saint-Connan’s climate
How warm does Saint-Connan get in summer?
August is the warmest month, with average highs of 21.6°C. About 16 days a year reach 25°C, fewer than 97% of mainland French towns, and about 2 reach 30°C.
How cold does Saint-Connan get in winter?
February nights average 2.8°C. The air drops to 0°C or below on about 21 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Saint-Connan get?
About 1,089 mm a year, more than 91% of mainland French towns. December is the wettest month (141 mm) and July the driest (56 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Brieuc (21 km away), averages 1,616 hours of sunshine a year.
Are these figures for Saint-Connan itself?
No: they are the normals of the Météo-France station matched to Saint-Connan, Kerpert, 5.3 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 KERPERT, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Connan →
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.