Summer arrives softly in Saint-Vran, cooler than in 94% of mainland French towns
In January the night’s low is typically 2.6°C. It is a wet place: more rain falls here than on 84% of mainland French towns. The rainiest month is December; the driest is July. Gritters and ice scrapers earn their keep on roughly 40 nights a year below 0°C.
These are the figures of Météo-France’s Plœuc-sur-Lie station, 26 km north-west; at that distance they describe the area more than the town.
A year in Saint-Vran at a glance
Each month’s typical high and low in °C, at the Plœuc-sur-Lie station.
What a year in Saint-Vran feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Plœuc-sur-Lie.
About 955 mm of rain a year
December is the wettest month and July the driest. About 28 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
40 frosts and 24 days of 25°C a year
On about 40 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 24 days a year reach 25°C, and 3 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Plœuc-sur-Lie: 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 Plœuc-sur-Lie
Plœuc-sur-Lie is 26 km north-west of Saint-Vran. Every figure on this page is the station’s, not a measurement in Saint-Vran itself.
| Station (Météo-France number) | Plœuc-sur-Lie (22203002) |
| Distance from the town | 26 km north-west |
| Station altitude | 196 m |
| Town altitude (its center) | 207 m |
| Period | 1991–2020 |
| Nearest station of any kind | 6.4 km |
| Sunshine measured at | Saint-Brieuc, 44 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-Vran 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. 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-Vran | Plœuc-sur-Lie | 22.6°C | 2.6°C | 955 mm |
| Merdrignac 6 km | Loudéac | 23.0°C about the same | 2.8°C about the same | 923 mm |
| Le Mené 7.9 km | same station | 22.6°C about the same | 2.6°C about the same | 955 mm |
| Plémet 13 km | Loudéac | 23.0°C about the same | 2.8°C about the same | 923 mm |
| Plénée-Jugon 14 km | Quintenic | 22.6°C about the same | 3.5°C 0.9°C milder | 770 mm |
| Broons 17 km | Le Quiou | 24.7°C 2.1°C warmer | 3.0°C about the same | 757 mm |
| Saint-Méen-le-Grand 20 km | Le Quiou | 24.7°C 2.1°C warmer | 3.0°C about the same | 757 mm |
Saint-Vran weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Plœuc-sur-Lie station; sunshine at Saint-Brieuc.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.3°C | 2.6°C | 5.5°C | 104 mm | 65 |
| February | 9.3°C | 2.4°C | 5.8°C | 87 mm | 83 |
| March | 11.9°C | 3.5°C | 7.7°C | 69 mm | 122 |
| April | 14.5°C | 4.7°C | 9.6°C | 71 mm | 163 |
| May | 17.6°C | 7.7°C | 12.6°C | 63 mm | 188 |
| June | 20.5°C | 10.4°C | 15.5°C | 57 mm | 196 |
| July | 22.6°C | 12.1°C | 17.3°C | 46 mm | 198 |
| August | 22.7°C | 12.0°C | 17.4°C | 59 mm | 182 |
| September | 20.1°C | 9.9°C | 15.0°C | 66 mm | 164 |
| October | 15.8°C | 8.1°C | 11.9°C | 103 mm | 110 |
| November | 11.6°C | 5.2°C | 8.4°C | 113 mm | 79 |
| December | 8.9°C | 3.1°C | 6.0°C | 119 mm | 66 |
| Year | 15.3°C | 6.8°C | 11.1°C | 955 mm | 1,616 |
Where Saint-Vran’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Plœuc-sur-Lie, 26 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, 44 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-Vran’s climate
How warm does Saint-Vran get in summer?
August is the warmest month, with average highs of 22.7°C. About 24 days a year reach 25°C, fewer than 93% of mainland French towns, and about 3 reach 30°C.
How cold does Saint-Vran get in winter?
February nights average 2.4°C. The air drops to 0°C or below on about 40 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Saint-Vran get?
About 955 mm a year, more than 84% of mainland French towns. December is the wettest month (119 mm) and July the driest (46 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Brieuc (44 km away), averages 1,616 hours of sunshine a year.
Are these figures for Saint-Vran itself?
No: they are the normals of the Météo-France station matched to Saint-Vran, Plœuc-sur-Lie, 26 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 PLOEUC-SUR-LIE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Vran →
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.