Aucaleuc sits near the bottom of mainland French towns for warm days
The coldest hours of a January night bottom out at 3.8°C on average. Expect the heaviest rain in November and the lightest in July. Its January nights stay gentler than in 90% of mainland French towns. Picnics, hikes and garden evenings come into their own from May to September, with highs of 17–22°C.
These are the figures of Météo-France’s Dinard station, 15 km north.
A year in Aucaleuc at a glance
Each month’s typical high and low in °C, at the Dinard station.
What a year in Aucaleuc feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Dinard.
About 752 mm of rain a year
November is the wettest month and July the driest. About 19 days a year bring 10 mm or more. 52nd wettest of 61 towns of 2,500+ in Côtes-d'Armor.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Dinard
22 frosts and 17 days of 25°C a year
On about 22 nights a year the air drops to 0°C or below, and on about under 1 days it stays below freezing all day. About 17 days a year reach 25°C, and 2 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Dinard: 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 Dinard
Dinard is 15 km north of Aucaleuc. Every figure on this page is the station’s, not a measurement in Aucaleuc itself.
| Station (Météo-France number) | Dinard (35228001) |
| Distance from the town | 15 km north |
| Station altitude | 65 m |
| Town altitude (its center) | 101 m |
| Period | 1991–2020 |
| Sunshine measured at | the same station |
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 Aucaleuc 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 |
|---|---|---|---|---|
| Aucaleuc | Dinard | 22.1°C | 3.8°C | 752 mm |
| Trélivan 3.1 km | Le Quiou | 24.7°C 2.6°C warmer | 3.0°C 0.8°C colder | 757 mm |
| Quévert 3.6 km | same station | 22.1°C about the same | 3.8°C about the same | 752 mm |
| Dinan 5.9 km | same station | 22.1°C about the same | 3.8°C about the same | 752 mm |
| Taden 6.7 km | same station | 22.1°C about the same | 3.8°C about the same | 752 mm |
| Lanvallay 8.2 km | same station | 22.1°C about the same | 3.8°C about the same | 752 mm |
| Pleslin-Trigavou 10 km | same station | 22.1°C about the same | 3.8°C about the same | 752 mm |
Aucaleuc weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Dinard station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.1°C | 3.8°C | 6.5°C | 64 mm | 69 |
| February | 9.8°C | 3.6°C | 6.7°C | 56 mm | 91 |
| March | 12.2°C | 4.9°C | 8.5°C | 48 mm | 133 |
| April | 14.5°C | 6.2°C | 10.3°C | 54 mm | 179 |
| May | 17.3°C | 9.1°C | 13.2°C | 56 mm | 203 |
| June | 20.2°C | 11.8°C | 16.0°C | 54 mm | 208 |
| July | 22.1°C | 13.6°C | 17.8°C | 46 mm | 221 |
| August | 22.3°C | 13.7°C | 18.0°C | 58 mm | 201 |
| September | 20.3°C | 11.8°C | 16.0°C | 60 mm | 170 |
| October | 16.5°C | 9.7°C | 13.1°C | 81 mm | 114 |
| November | 12.4°C | 6.5°C | 9.5°C | 89 mm | 80 |
| December | 9.7°C | 4.2°C | 6.9°C | 86 mm | 66 |
| Year | 15.5°C | 8.2°C | 11.9°C | 752 mm | 1,733 |
Where Aucaleuc’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Dinard, 15 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, 15 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 Aucaleuc’s climate
How warm does Aucaleuc get in summer?
August is the warmest month, with average highs of 22.3°C. About 17 days a year reach 25°C, fewer than 97% of mainland French towns, and about 2 reach 30°C.
How cold does Aucaleuc get in winter?
February nights average 3.6°C. The air drops to 0°C or below on about 22 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Aucaleuc get?
About 752 mm a year, less than 51% of mainland French towns. November is the wettest month (89 mm) and July the driest (46 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Dinard (15 km away), averages 1,733 hours of sunshine a year.
Are these figures for Aucaleuc itself?
No: they are the normals of the Météo-France station matched to Aucaleuc, Dinard, 15 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 DINARD, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Aucaleuc →
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.