Rainfall in Sainte-Gemme trails that of 83% of mainland French towns: 648 mm a year
High summer brings afternoon highs near 27.1°C. Rain peaks in October and eases off in August. Summer afternoons here are warmer than in 69% of mainland French towns. Plan for rain on about 108 days a year, the days with 1 mm or more.
Figures from Météo-France’s Glénay station, 5.6 km south-east.
A year in Sainte-Gemme at a glance
Each month’s typical high and low in °C, at the Glénay station.
What a year in Sainte-Gemme feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Glénay.
About 648 mm of rain a year
October is the wettest month and August the driest. About 19 days a year bring 10 mm or more. 22nd wettest of 24 towns of 2,500+ in Deux-Sèvres.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Loudun
41 frosts and 74 days of 25°C a year
On about 41 nights a year the air drops to 0°C or below, and on about 3 days it stays below freezing all day. About 74 days a year reach 25°C, and 24 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Glénay: 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 Glénay
Glénay is 5.6 km south-east of Sainte-Gemme. Every figure on this page is the station’s, not a measurement in Sainte-Gemme itself.
| Station (Météo-France number) | Glénay (79134001) |
| Distance from the town | 5.6 km south-east |
| Station altitude | 121 m |
| Town altitude (its center) | 126 m |
| Period | 1991–2020 |
| Sunshine measured at | Loudun, 32 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 Sainte-Gemme 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 Deux-Sèvres.
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 |
|---|---|---|---|---|
| Sainte-Gemme | Glénay | 27.1°C | 2.5°C | 648 mm |
| Thouars 9.9 km | Thouars-Stna | 27.5°C about the same | 2.9°C about the same | 576 mm |
| Airvault 13 km | same station | 27.1°C about the same | 2.5°C about the same | 648 mm |
| Argentonnay 14 km | Nueil-les-Aubiers | 25.8°C 1.3°C cooler | 2.3°C about the same | 812 mm |
| Bressuire 17 km | Bressuire | 25.9°C 1.2°C cooler | 2.4°C about the same | 852 mm |
| Loretz-d'Argenton 18 km | Thouars-Stna | 27.5°C about the same | 2.9°C about the same | 576 mm |
| Nueil-les-Aubiers 24 km | Nueil-les-Aubiers | 25.8°C 1.3°C cooler | 2.3°C about the same | 812 mm |
Sainte-Gemme weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Glénay station; sunshine at Loudun.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.7°C | 2.5°C | 5.6°C | 62 mm | 70 |
| February | 10.1°C | 1.9°C | 6.0°C | 48 mm | 105 |
| March | 13.9°C | 3.8°C | 8.9°C | 46 mm | 156 |
| April | 17.0°C | 5.4°C | 11.2°C | 49 mm | 198 |
| May | 21.0°C | 9.0°C | 15.0°C | 53 mm | 229 |
| June | 24.8°C | 12.1°C | 18.4°C | 48 mm | 247 |
| July | 27.1°C | 13.7°C | 20.4°C | 43 mm | 260 |
| August | 27.2°C | 13.6°C | 20.4°C | 40 mm | 237 |
| September | 23.4°C | 10.7°C | 17.1°C | 51 mm | 206 |
| October | 18.0°C | 8.8°C | 13.4°C | 71 mm | 130 |
| November | 12.6°C | 5.2°C | 8.9°C | 69 mm | 87 |
| December | 9.2°C | 3.0°C | 6.1°C | 69 mm | 78 |
| Year | 17.8°C | 7.5°C | 12.6°C | 648 mm | 2,003 |
Where Sainte-Gemme’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Glénay, 5.6 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, Loudun, 32 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 Deux-Sèvres.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Sainte-Gemme’s climate
How warm does Sainte-Gemme get in summer?
August is the warmest month, with average highs of 27.2°C. About 74 days a year reach 25°C, more than 67% of mainland French towns, and about 24 reach 30°C.
How cold does Sainte-Gemme get in winter?
February nights average 1.9°C. The air drops to 0°C or below on about 41 nights a year, and about 3 days a year stay below freezing all day.
How much rain does Sainte-Gemme get?
About 648 mm a year, less than 83% of mainland French towns. October is the wettest month (71 mm) and August the driest (40 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Loudun (32 km away), averages 2,003 hours of sunshine a year.
Are these figures for Sainte-Gemme itself?
No: they are the normals of the Météo-France station matched to Sainte-Gemme, Glénay, 5.6 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 GLENAY_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Sainte-Gemme →
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.