Frost comes to Le Mesnil-Thomas more often than to 85% of mainland French towns
Expect July afternoons of about 24.7°C. The rainiest month is December; the driest is August. None of the 33 towns of 2,500+ in Eure-et-Loir has cooler July afternoons. Warm coats and heating bills mark the months from November to April, when means dip under 10°C.
These are the figures of Météo-France’s Senonches station, 5.7 km south-west.
A year in Le Mesnil-Thomas at a glance
Each month’s typical high and low in °C, at the Senonches station.
What a year in Le Mesnil-Thomas feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Senonches.
About 817 mm of rain a year
December is the wettest month and August the driest. About 24 days a year bring 10 mm or more. The wettest of 33 towns of 2,500+ in Eure-et-Loir.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Chartres
A frosty town: 64 frosts and 46 days of 25°C a year
On about 64 nights a year the air drops to 0°C or below, and on about 7 days it stays below freezing all day. About 46 days a year reach 25°C, and 12 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Senonches: 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 Senonches
Senonches is 5.7 km south-west of Le Mesnil-Thomas. Every figure on this page is the station’s, not a measurement in Le Mesnil-Thomas itself.
| Station (Météo-France number) | Senonches (28373002) |
| Distance from the town | 5.7 km south-west |
| Station altitude | 239 m |
| Town altitude (its center) | 205 m |
| Period | 1991–2020 |
| Sunshine measured at | Chartres, 34 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 Le Mesnil-Thomas 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 Eure-et-Loir.
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 |
|---|---|---|---|---|
| Le Mesnil-Thomas | Senonches | 24.7°C | 1.1°C | 817 mm |
| Senonches 4.1 km | same station | 24.7°C about the same | 1.1°C about the same | 817 mm |
| Châteauneuf-en-Thymerais 12 km | Thimert | 26.0°C 1.3°C warmer | 1.7°C 0.6°C milder | 635 mm |
| La Loupe 13 km | La Loupe | 25.1°C about the same | 1.2°C about the same | 718 mm |
| Courville-sur-Eure 19 km | Blandainville | 25.4°C 0.7°C warmer | 1.6°C 0.5°C milder | 626 mm |
| Saint-Lubin-des-Joncherets 22 km | Marville | 25.5°C 0.8°C warmer | 1.6°C 0.5°C milder | 572 mm |
| Verneuil d'Avre et d'Iton 22 km | Rueil | 25.2°C 0.5°C warmer | 0.6°C 0.5°C colder | 663 mm |
Le Mesnil-Thomas weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Senonches station; sunshine at Chartres.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.6°C | 1.1°C | 3.8°C | 82 mm | 64 |
| February | 7.9°C | 0.7°C | 4.3°C | 63 mm | 88 |
| March | 11.5°C | 2.4°C | 6.9°C | 62 mm | 140 |
| April | 15.0°C | 3.8°C | 9.4°C | 55 mm | 184 |
| May | 18.7°C | 7.1°C | 12.9°C | 67 mm | 209 |
| June | 22.1°C | 10.3°C | 16.2°C | 65 mm | 222 |
| July | 24.7°C | 12.1°C | 18.4°C | 58 mm | 230 |
| August | 24.6°C | 12.1°C | 18.4°C | 53 mm | 220 |
| September | 20.8°C | 9.2°C | 15.0°C | 55 mm | 181 |
| October | 15.5°C | 7.0°C | 11.3°C | 80 mm | 118 |
| November | 10.3°C | 3.9°C | 7.1°C | 80 mm | 72 |
| December | 7.2°C | 1.5°C | 4.3°C | 97 mm | 60 |
| Year | 15.4°C | 5.9°C | 10.7°C | 817 mm | 1,787 |
Where Le Mesnil-Thomas’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Senonches, 5.7 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, Chartres, 34 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 Eure-et-Loir.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Le Mesnil-Thomas’s climate
How warm does Le Mesnil-Thomas get in summer?
July is the warmest month, with average highs of 24.7°C. About 46 days a year reach 25°C, fewer than 74% of mainland French towns, and about 12 reach 30°C.
How cold does Le Mesnil-Thomas get in winter?
February nights average 0.7°C. The air drops to 0°C or below on about 64 nights a year, and about 7 days a year stay below freezing all day.
How much rain does Le Mesnil-Thomas get?
About 817 mm a year, more than 62% of mainland French towns. December is the wettest month (97 mm) and August the driest (53 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Chartres (34 km away), averages 1,787 hours of sunshine a year.
Are these figures for Le Mesnil-Thomas itself?
No: they are the normals of the Météo-France station matched to Le Mesnil-Thomas, Senonches, 5.7 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 SENONCHES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Le Mesnil-Thomas →
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.