Less rain falls on Saix than on 93% of mainland French towns: 616 mm a year
The warmest part of a July day comes in at 26.4°C on average. Temperatures cover 24°C across the year, low to high. Of the 37 towns of 2,500+ in Vienne, it has the mildest January nights. The outdoor season runs from May to October, with highs of 18–27°C.
These are the figures of Météo-France’s Mont-Bellay-Inrae station, 11 km west.
A year in Saix at a glance
Each month’s typical high and low in °C, at the Mont-Bellay-Inrae station.
What a year in Saix feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Mont-Bellay-Inrae.
About 616 mm of rain a year
October is the wettest month and August the driest. About 17 days a year bring 10 mm or more. 38th wettest of 37 towns of 2,500+ in Vienne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Loudun
34 frosts and 66 days of 25°C a year
On about 34 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 66 days a year reach 25°C, and 18 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Mont-Bellay-Inrae: 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 Mont-Bellay-Inrae
Mont-Bellay-Inrae is 11 km west of Saix. Every figure on this page is the station’s, not a measurement in Saix itself.
| Station (Météo-France number) | Mont-Bellay-Inrae (49215002) |
| Distance from the town | 11 km west |
| Station altitude | 58 m |
| Town altitude (its center) | 50 m |
| Period | 1991–2020 |
| Sunshine measured at | Loudun, 14 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 Saix 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 Vienne.
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 |
|---|---|---|---|---|
| Saix | Mont-Bellay-Inrae | 26.4°C | 2.9°C | 616 mm |
| Bellevigne-les-Châteaux 7.9 km | same station | 26.4°C about the same | 2.9°C about the same | 616 mm |
| Montreuil-Bellay 11 km | same station | 26.4°C about the same | 2.9°C about the same | 616 mm |
| Saumur 15 km | same station | 26.4°C about the same | 2.9°C about the same | 616 mm |
| Loudun 16 km | Loudun | 26.0°C about the same | 2.7°C about the same | 632 mm |
| Beaumont-en-Véron 16 km | Savigny - Véron | 26.5°C about the same | 2.8°C about the same | 638 mm |
| Allonnes 18 km | Savigny - Véron | 26.5°C about the same | 2.8°C about the same | 638 mm |
Saix weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Mont-Bellay-Inrae station; sunshine at Loudun.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.8°C | 2.9°C | 5.8°C | 56 mm | 70 |
| February | 10.2°C | 2.5°C | 6.4°C | 44 mm | 105 |
| March | 13.8°C | 4.4°C | 9.1°C | 44 mm | 156 |
| April | 16.9°C | 6.2°C | 11.6°C | 51 mm | 198 |
| May | 20.6°C | 9.8°C | 15.2°C | 54 mm | 229 |
| June | 24.3°C | 12.8°C | 18.6°C | 43 mm | 247 |
| July | 26.4°C | 14.4°C | 20.4°C | 44 mm | 260 |
| August | 26.6°C | 14.3°C | 20.4°C | 41 mm | 237 |
| September | 23.0°C | 11.4°C | 17.2°C | 47 mm | 206 |
| October | 17.9°C | 9.0°C | 13.5°C | 68 mm | 130 |
| November | 12.5°C | 5.5°C | 9.0°C | 66 mm | 87 |
| December | 9.3°C | 3.2°C | 6.2°C | 60 mm | 78 |
| Year | 17.5°C | 8.0°C | 12.8°C | 616 mm | 2,003 |
Where Saix’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Mont-Bellay-Inrae, 11 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, 14 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 Vienne.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Saix’s climate
How warm does Saix get in summer?
August is the warmest month, with average highs of 26.6°C. About 66 days a year reach 25°C, more than 57% of mainland French towns, and about 18 reach 30°C.
How cold does Saix get in winter?
February nights average 2.5°C. The air drops to 0°C or below on about 34 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Saix get?
About 616 mm a year, less than 93% of mainland French towns. October is the wettest month (68 mm) and August the driest (41 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Loudun (14 km away), averages 2,003 hours of sunshine a year.
Are these figures for Saix itself?
No: they are the normals of the Météo-France station matched to Saix, Mont-Bellay-Inrae, 11 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 MONT-BELLAY-INRAE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saix →
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.