Hardly any mainland French towns see softer January nights than Dolus-d'Oléron
High summer brings afternoon highs near 24.6°C. November is the wettest month here, with about 2.7 times the rain of July. Warm afternoons come less often than in 78% of mainland French towns. Radiators earn their keep from December to February, the months that average under 10°C.
These are the figures of Météo-France’s Château d'Oléron station, 6.9 km south-east.
A year in Dolus-d'Oléron at a glance
Each month’s typical high and low in °C, at the Château d'Oléron station.
What a year in Dolus-d'Oléron feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Château d'Oléron.
About 782 mm of rain a year
November is the wettest month and July the driest. About 23 days a year bring 10 mm or more. 21st wettest of 54 towns of 2,500+ in Charente-Maritime.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at La Rochelle-Île de Re
12 frosts and 43 days of 25°C a year
On about 12 nights a year the air drops to 0°C or below, and on about under 1 days it stays below freezing all day. About 43 days a year reach 25°C, and 9 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Château d'Oléron: 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 Château d'Oléron
Château d'Oléron is 6.9 km south-east of Dolus-d'Oléron. Every figure on this page is the station’s, not a measurement in Dolus-d'Oléron itself.
| Station (Météo-France number) | Château d'Oléron (17093002) |
| Distance from the town | 6.9 km south-east |
| Station altitude | 3 m |
| Town altitude (its center) | 4 m |
| Period | 1991–2020 |
| Sunshine measured at | La Rochelle-Île de Re, 30 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 Dolus-d'Oléron 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 Charente-Maritime.
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 |
|---|---|---|---|---|
| Dolus-d'Oléron | Château d'Oléron | 24.6°C | 4.8°C | 782 mm |
| Le Château-d'Oléron 4.8 km | same station | 24.6°C about the same | 4.8°C about the same | 782 mm |
| Saint-Pierre-d'Oléron 4.8 km | same station | 24.6°C about the same | 4.8°C about the same | 782 mm |
| Saint-Georges-d'Oléron 9.4 km | Chassiron | 22.3°C 2.3°C cooler | 5.8°C 1°C milder | 683 mm |
| Bourcefranc-le-Chapus 12 km | same station | 24.6°C about the same | 4.8°C about the same | 782 mm |
| Marennes-Hiers-Brouage 15 km | same station | 24.6°C about the same | 4.8°C about the same | 782 mm |
| Fouras 16 km | Saint-Laurent Prée-Inrae | 25.0°C about the same | 3.5°C 1.3°C colder | 781 mm |
Dolus-d'Oléron weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Château d'Oléron station; sunshine at La Rochelle-Île de Re.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.7°C | 4.8°C | 7.2°C | 81 mm | 91 |
| February | 10.6°C | 4.7°C | 7.6°C | 58 mm | 131 |
| March | 13.5°C | 6.8°C | 10.1°C | 57 mm | 179 |
| April | 16.1°C | 9.0°C | 12.5°C | 61 mm | 231 |
| May | 19.5°C | 12.2°C | 15.9°C | 51 mm | 258 |
| June | 22.7°C | 15.1°C | 18.9°C | 43 mm | 253 |
| July | 24.6°C | 16.9°C | 20.8°C | 39 mm | 297 |
| August | 24.9°C | 17.0°C | 21.0°C | 44 mm | 278 |
| September | 22.4°C | 14.7°C | 18.6°C | 67 mm | 234 |
| October | 18.3°C | 12.1°C | 15.2°C | 87 mm | 155 |
| November | 13.5°C | 8.2°C | 10.8°C | 103 mm | 109 |
| December | 10.5°C | 5.5°C | 8.0°C | 93 mm | 90 |
| Year | 17.2°C | 10.6°C | 13.9°C | 782 mm | 2,303 |
Where Dolus-d'Oléron’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Château d'Oléron, 6.9 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, La Rochelle-Île de Re, 30 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 Charente-Maritime.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Dolus-d'Oléron’s climate
How warm does Dolus-d'Oléron get in summer?
August is the warmest month, with average highs of 24.9°C. About 43 days a year reach 25°C, fewer than 78% of mainland French towns, and about 9 reach 30°C.
How cold does Dolus-d'Oléron get in winter?
February nights average 4.7°C. The air drops to 0°C or below on about 12 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Dolus-d'Oléron get?
About 782 mm a year, more than 56% of mainland French towns. November is the wettest month (103 mm) and July the driest (39 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, La Rochelle-Île de Re (30 km away), averages 2,303 hours of sunshine a year.
Are these figures for Dolus-d'Oléron itself?
No: they are the normals of the Météo-France station matched to Dolus-d'Oléron, Château d'Oléron, 6.9 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 CHATEAU D'OLERON, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Dolus-d'Oléron →
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.