Dry weather: only 632 mm a year falls on Mouterre-Silly, less than on 90% of mainland French towns
The depth of winter brings overnight lows near 2.7°C. By January nights alone, it runs milder than 66% of mainland French towns. November is the wettest month, August the driest. Waterproofs come out on about 106 days a year, each with 1 mm of rain or more.
These are the figures of Météo-France’s Loudun station, 6.3 km north-east.
A year in Mouterre-Silly at a glance
Each month’s typical high and low in °C, at the Loudun station.
What a year in Mouterre-Silly feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Loudun.
About 632 mm of rain a year
November is the wettest month and August the driest. About 18 days a year bring 10 mm or more. 37th wettest of 37 towns of 2,500+ in Vienne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Loudun
35 frosts and 59 days of 25°C a year
On about 35 nights a year the air drops to 0°C or below, and on about 3 days it stays below freezing all day. About 59 days a year reach 25°C, and 16 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Loudun: 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 Loudun
Loudun is 6.3 km north-east of Mouterre-Silly. Every figure on this page is the station’s, not a measurement in Mouterre-Silly itself.
| Station (Météo-France number) | Loudun (86137003) |
| Distance from the town | 6.3 km north-east |
| Station altitude | 96 m |
| Town altitude (its center) | 82 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 Mouterre-Silly 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 |
|---|---|---|---|---|
| Mouterre-Silly | Loudun | 26.0°C | 2.7°C | 632 mm |
| Loudun 4.1 km | same station | 26.0°C about the same | 2.7°C about the same | 632 mm |
| Thouars 20 km | Thouars-Stna | 27.5°C 1.5°C warmer | 2.9°C about the same | 576 mm |
| Montreuil-Bellay 20 km | Mont-Bellay-Inrae | 26.4°C about the same | 2.9°C about the same | 616 mm |
| Bellevigne-les-Châteaux 23 km | Mont-Bellay-Inrae | 26.4°C about the same | 2.9°C about the same | 616 mm |
| Airvault 24 km | Glénay | 27.1°C 1.1°C warmer | 2.5°C about the same | 648 mm |
| Loretz-d'Argenton 24 km | Thouars-Stna | 27.5°C 1.5°C warmer | 2.9°C about the same | 576 mm |
Mouterre-Silly weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Loudun station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.3°C | 2.7°C | 5.5°C | 56 mm | 70 |
| February | 9.6°C | 2.3°C | 6.0°C | 47 mm | 105 |
| March | 13.3°C | 4.2°C | 8.8°C | 45 mm | 156 |
| April | 16.3°C | 5.9°C | 11.1°C | 50 mm | 198 |
| May | 20.0°C | 9.3°C | 14.7°C | 54 mm | 229 |
| June | 23.7°C | 12.5°C | 18.1°C | 49 mm | 247 |
| July | 26.0°C | 14.2°C | 20.1°C | 45 mm | 260 |
| August | 26.1°C | 14.2°C | 20.2°C | 45 mm | 237 |
| September | 22.3°C | 11.4°C | 16.9°C | 47 mm | 206 |
| October | 17.3°C | 9.1°C | 13.2°C | 64 mm | 130 |
| November | 11.9°C | 5.4°C | 8.6°C | 67 mm | 87 |
| December | 8.7°C | 3.0°C | 5.8°C | 64 mm | 78 |
| Year | 17.0°C | 7.9°C | 12.4°C | 632 mm | 2,003 |
Where Mouterre-Silly’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Loudun, 6.3 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, 6.3 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 Mouterre-Silly’s climate
How warm does Mouterre-Silly get in summer?
August is the warmest month, with average highs of 26.1°C. About 59 days a year reach 25°C, fewer than 53% of mainland French towns, and about 16 reach 30°C.
How cold does Mouterre-Silly get in winter?
February nights average 2.3°C. The air drops to 0°C or below on about 35 nights a year, and about 3 days a year stay below freezing all day.
How much rain does Mouterre-Silly get?
About 632 mm a year, less than 90% of mainland French towns. November is the wettest month (67 mm) and August the driest (45 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Loudun (6.3 km away), averages 2,003 hours of sunshine a year.
Are these figures for Mouterre-Silly itself?
No: they are the normals of the Météo-France station matched to Mouterre-Silly, Loudun, 6.3 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 LOUDUN, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Mouterre-Silly →
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.