Hardly any mainland French towns see fresher July days than Lanrivain
In January the night’s low is typically 3.0°C. It is a wet place: more rain falls here than on 91% of mainland French towns. Temperatures cover 19°C across the year, low to high. From June to September, highs of 19–22°C make it easy to spend the day outdoors.
These are the figures of Météo-France’s Kerpert station, 7.3 km north-east.
A year in Lanrivain at a glance
Each month’s typical high and low in °C, at the Kerpert station.
What a year in Lanrivain 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 7.3 km north-east of Lanrivain. Every figure on this page is the station’s, not a measurement in Lanrivain itself.
| Station (Météo-France number) | Kerpert (22092001) |
| Distance from the town | 7.3 km north-east |
| Station altitude | 281 m |
| Town altitude (its center) | 259 m |
| Period | 1991–2020 |
| Sunshine measured at | Saint-Brieuc, 33 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 Lanrivain 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 |
|---|---|---|---|---|
| Lanrivain | Kerpert | 21.4°C | 3.0°C | 1,089 mm |
| Rostrenen 16 km | Rostrenen | 21.7°C about the same | 3.1°C about the same | 1,147 mm |
| Ploumagoar 22 km | Saint-Brieuc | 21.4°C about the same | 3.8°C 0.8°C milder | 757 mm |
| Grâces 22 km | Lanleff | 22.5°C 1.1°C warmer | 4.0°C 1°C milder | 846 mm |
| Quintin 23 km | Plœuc-sur-Lie | 22.6°C 1.2°C warmer | 2.6°C about the same | 955 mm |
| Guingamp 24 km | Lanleff | 22.5°C 1.1°C warmer | 4.0°C 1°C milder | 846 mm |
| Guerlédan 24 km | Loudéac | 23.0°C 1.6°C warmer | 2.8°C about the same | 923 mm |
Lanrivain 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 Lanrivain’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Kerpert, 7.3 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, 33 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 Lanrivain’s climate
How warm does Lanrivain 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 Lanrivain 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 Lanrivain 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 (33 km away), averages 1,616 hours of sunshine a year.
Are these figures for Lanrivain itself?
No: they are the normals of the Météo-France station matched to Lanrivain, Kerpert, 7.3 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 Lanrivain →
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.