Saint-Xandre has milder winter nights than 95% of mainland French towns
In July the day’s top temperature is typically 24.6°C. A year here swings 21°C from midwinter lows to midsummer highs. Summers stay cool: July afternoons here are cooler than in 77% of mainland French towns. Frost greets about 19 mornings a year, so leave time to clear the car.
These are the figures of Météo-France’s La Rochelle-Île de Re station, 7.7 km south-west.
A year in Saint-Xandre at a glance
Each month’s typical high and low in °C, at the La Rochelle-Île de Re station.
What a year in Saint-Xandre feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at La Rochelle-Île de Re.
About 754 mm of rain a year
November is the wettest month and June the driest. About 22 days a year bring 10 mm or more. 36th 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
19 frosts and 44 days of 25°C a year
On about 19 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 11 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at La Rochelle-Île de Re: 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 La Rochelle-Île de Re
La Rochelle-Île de Re is 7.7 km south-west of Saint-Xandre. Every figure on this page is the station’s, not a measurement in Saint-Xandre itself.
| Station (Météo-France number) | La Rochelle-Île de Re (17300009) |
| Distance from the town | 7.7 km south-west |
| Station altitude | 20 m |
| Town altitude (its center) | 21 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 Saint-Xandre 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 |
|---|---|---|---|---|
| Saint-Xandre | La Rochelle-Île de Re | 24.6°C | 4.4°C | 754 mm |
| Puilboreau 2.7 km | same station | 24.6°C about the same | 4.4°C about the same | 754 mm |
| Dompierre-sur-Mer 3.4 km | same station | 24.6°C about the same | 4.4°C about the same | 754 mm |
| Marsilly 3.9 km | same station | 24.6°C about the same | 4.4°C about the same | 754 mm |
| Lagord 4.9 km | same station | 24.6°C about the same | 4.4°C about the same | 754 mm |
| Périgny 5.2 km | same station | 24.6°C about the same | 4.4°C about the same | 754 mm |
| Nieul-sur-Mer 5.3 km | same station | 24.6°C about the same | 4.4°C about the same | 754 mm |
Saint-Xandre weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the La Rochelle-Île de Re station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.6°C | 4.4°C | 7.0°C | 76 mm | 91 |
| February | 10.6°C | 4.1°C | 7.3°C | 56 mm | 131 |
| March | 13.6°C | 6.1°C | 9.8°C | 57 mm | 179 |
| April | 16.1°C | 7.9°C | 12.0°C | 61 mm | 231 |
| May | 19.6°C | 11.3°C | 15.5°C | 51 mm | 258 |
| June | 22.8°C | 14.4°C | 18.6°C | 39 mm | 253 |
| July | 24.6°C | 16.4°C | 20.5°C | 40 mm | 297 |
| August | 24.9°C | 16.3°C | 20.6°C | 46 mm | 278 |
| September | 22.5°C | 13.6°C | 18.0°C | 60 mm | 234 |
| October | 18.3°C | 11.2°C | 14.7°C | 84 mm | 155 |
| November | 13.4°C | 7.4°C | 10.4°C | 95 mm | 109 |
| December | 10.3°C | 4.8°C | 7.5°C | 90 mm | 90 |
| Year | 17.2°C | 9.8°C | 13.5°C | 754 mm | 2,303 |
Where Saint-Xandre’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for La Rochelle-Île de Re, 7.7 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, 7.7 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 Saint-Xandre’s climate
How warm does Saint-Xandre get in summer?
August is the warmest month, with average highs of 24.9°C. About 44 days a year reach 25°C, fewer than 76% of mainland French towns, and about 11 reach 30°C.
How cold does Saint-Xandre get in winter?
February nights average 4.1°C. The air drops to 0°C or below on about 19 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Saint-Xandre get?
About 754 mm a year, less than 50% of mainland French towns. November is the wettest month (95 mm) and June the driest (39 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, La Rochelle-Île de Re (7.7 km away), averages 2,303 hours of sunshine a year.
Are these figures for Saint-Xandre itself?
No: they are the normals of the Météo-France station matched to Saint-Xandre, La Rochelle-Île de Re, 7.7 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 LA ROCHELLE-ILE DE RE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Xandre →
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.