July in Trélivan stays fresher than in 76% of mainland French towns
The depth of winter brings overnight lows near 3.0°C. Seasons differ by 22°C, from the coldest nights to the warmest afternoons. Winters are mild: January nights here are milder than in 74% of mainland French towns. Wet days, with 1 mm of rain or more, come about 126 times a year.
These are the figures of Météo-France’s Le Quiou station, 12 km south-east.
A year in Trélivan at a glance
Each month’s typical high and low in °C, at the Le Quiou station.
What a year in Trélivan feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Le Quiou.
About 757 mm of rain a year
December is the wettest month and July the driest. About 20 days a year bring 10 mm or more. 38th wettest of 61 towns of 2,500+ in Côtes-d'Armor.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Dinard
33 frosts and 44 days of 25°C a year
On about 33 nights a year the air drops to 0°C or below, and on about under 1 days it stays below freezing all day. About 44 days a year reach 25°C, and 8 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Le Quiou: 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 Le Quiou
Le Quiou is 12 km south-east of Trélivan. Every figure on this page is the station’s, not a measurement in Trélivan itself.
| Station (Météo-France number) | Le Quiou (22263001) |
| Distance from the town | 12 km south-east |
| Station altitude | 20 m |
| Town altitude (its center) | 103 m |
| Period | 1991–2020 |
| Sunshine measured at | Dinard, 17 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 Trélivan 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 |
|---|---|---|---|---|
| Trélivan | Le Quiou | 24.7°C | 3.0°C | 757 mm |
| Quévert 2.9 km | Dinard | 22.1°C 2.6°C cooler | 3.8°C 0.8°C milder | 752 mm |
| Dinan 4.1 km | Dinard | 22.1°C 2.6°C cooler | 3.8°C 0.8°C milder | 752 mm |
| Lanvallay 6 km | Dinard | 22.1°C 2.6°C cooler | 3.8°C 0.8°C milder | 752 mm |
| Taden 6.2 km | Dinard | 22.1°C 2.6°C cooler | 3.8°C 0.8°C milder | 752 mm |
| Pleslin-Trigavou 11 km | Dinard | 22.1°C 2.6°C cooler | 3.8°C 0.8°C milder | 752 mm |
| Plouër-sur-Rance 13 km | Dinard | 22.1°C 2.6°C cooler | 3.8°C 0.8°C milder | 752 mm |
Trélivan weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Le Quiou station; sunshine at Dinard.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.3°C | 3.0°C | 6.1°C | 72 mm | 69 |
| February | 10.4°C | 2.7°C | 6.6°C | 58 mm | 91 |
| March | 13.3°C | 3.7°C | 8.5°C | 51 mm | 133 |
| April | 16.2°C | 4.8°C | 10.5°C | 55 mm | 179 |
| May | 19.4°C | 7.4°C | 13.4°C | 63 mm | 203 |
| June | 22.5°C | 9.4°C | 16.0°C | 53 mm | 208 |
| July | 24.7°C | 10.7°C | 17.7°C | 47 mm | 221 |
| August | 24.6°C | 10.8°C | 17.7°C | 52 mm | 201 |
| September | 21.9°C | 8.9°C | 15.4°C | 57 mm | 170 |
| October | 17.3°C | 7.6°C | 12.5°C | 78 mm | 114 |
| November | 12.7°C | 5.2°C | 9.0°C | 86 mm | 80 |
| December | 9.7°C | 3.2°C | 6.4°C | 87 mm | 66 |
| Year | 16.8°C | 6.4°C | 11.6°C | 757 mm | 1,733 |
Where Trélivan’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Le Quiou, 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, Dinard, 17 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 Trélivan’s climate
How warm does Trélivan get in summer?
July is the warmest month, with average highs of 24.7°C. About 44 days a year reach 25°C, fewer than 76% of mainland French towns, and about 8 reach 30°C.
How cold does Trélivan get in winter?
February nights average 2.7°C. The air drops to 0°C or below on about 33 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Trélivan get?
About 757 mm a year, more than 51% of mainland French towns. December is the wettest month (87 mm) and July the driest (47 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Dinard (17 km away), averages 1,733 hours of sunshine a year.
Are these figures for Trélivan itself?
No: they are the normals of the Météo-France station matched to Trélivan, Le Quiou, 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 LE QUIOU, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Trélivan →
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.