Summers, winters and rain in Saint-Loup all run close to those of most mainland French towns
July afternoons reach 26.8°C on a typical day and January nights drop to 2.9°C; 849 mm of rain falls in a year. Expect the heaviest rain in December and the lightest in July. By January nights alone, it runs milder than 72% of mainland French towns. Picnics, hikes and garden evenings come into their own from May to October, with highs of 19–27°C.
Figures from Météo-France’s Nuaille sur Boutonne station, 18 km east.
A year in Saint-Loup at a glance
Each month’s typical high and low in °C, at the Nuaille sur Boutonne station.
What a year in Saint-Loup feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Nuaille sur Boutonne.
About 849 mm of rain a year
December is the wettest month and July the driest. About 27 days a year bring 10 mm or more. 19th wettest of 54 towns of 2,500+ in Charente-Maritime.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Niort
42 frosts and 73 days of 25°C a year
On about 42 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 73 days a year reach 25°C, and 22 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Nuaille sur Boutonne: 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 Nuaille sur Boutonne
Nuaille sur Boutonne is 18 km east of Saint-Loup. Every figure on this page is the station’s, not a measurement in Saint-Loup itself.
| Station (Météo-France number) | Nuaille sur Boutonne (17268002) |
| Distance from the town | 18 km east |
| Station altitude | 36 m |
| Town altitude (its center) | 11 m |
| Period | 1991–2020 |
| Sunshine measured at | Niort, 40 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 Saint-Loup 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-Loup | Nuaille sur Boutonne | 26.8°C | 2.9°C | 849 mm |
| Saint-Jean-d'Angély 11 km | same station | 26.8°C about the same | 2.9°C about the same | 849 mm |
| Surgères 15 km | Prin-Deyrançon | 27.0°C about the same | 2.8°C about the same | 837 mm |
| Tonnay-Charente 21 km | Saint-Agnant | 25.5°C 1.3°C cooler | 4.0°C 1.1°C milder | 778 mm |
| Mauzé-sur-le-Mignon 22 km | Prin-Deyrançon | 27.0°C about the same | 2.8°C about the same | 837 mm |
| Saint-Georges-des-Coteaux 26 km | Saintes | 26.4°C about the same | 3.5°C 0.6°C milder | 907 mm |
| Aigrefeuille-d'Aunis 27 km | Saint-Laurent Prée-Inrae | 25.0°C 1.8°C cooler | 3.5°C 0.6°C milder | 781 mm |
Saint-Loup weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Nuaille sur Boutonne station; sunshine at Niort.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.3°C | 2.9°C | 6.1°C | 80 mm | 76 |
| February | 10.8°C | 2.1°C | 6.4°C | 66 mm | 108 |
| March | 14.4°C | 4.1°C | 9.3°C | 66 mm | 160 |
| April | 17.3°C | 5.8°C | 11.6°C | 68 mm | 187 |
| May | 21.1°C | 9.4°C | 15.2°C | 65 mm | 219 |
| June | 24.6°C | 12.3°C | 18.5°C | 59 mm | 241 |
| July | 26.8°C | 13.6°C | 20.2°C | 47 mm | 257 |
| August | 26.9°C | 13.3°C | 20.1°C | 52 mm | 248 |
| September | 23.7°C | 10.7°C | 17.2°C | 67 mm | 207 |
| October | 18.8°C | 8.9°C | 13.8°C | 87 mm | 134 |
| November | 13.2°C | 5.3°C | 9.3°C | 95 mm | 93 |
| December | 9.9°C | 3.2°C | 6.5°C | 99 mm | 77 |
| Year | 18.1°C | 7.6°C | 12.9°C | 849 mm | 2,006 |
Where Saint-Loup’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Nuaille sur Boutonne, 18 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, Niort, 40 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-Loup’s climate
How warm does Saint-Loup get in summer?
August is the warmest month, with average highs of 26.9°C. About 73 days a year reach 25°C, more than 67% of mainland French towns, and about 22 reach 30°C.
How cold does Saint-Loup get in winter?
February nights average 2.1°C. The air drops to 0°C or below on about 42 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Saint-Loup get?
About 849 mm a year, more than 70% of mainland French towns. December is the wettest month (99 mm) and July the driest (47 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Niort (40 km away), averages 2,006 hours of sunshine a year.
Are these figures for Saint-Loup itself?
No: they are the normals of the Météo-France station matched to Saint-Loup, Nuaille sur Boutonne, 18 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 NUAILLE SUR BOUTONNE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Loup →
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.