Ice on the ground: Boissy-lès-Perche sees more frosts than 94% of mainland French towns
Expect July afternoons of about 25.2°C. It is a dry place: less rain falls here than on 80% of mainland French towns. December is the wettest month, April the driest. Homes need heating from November to April, the months averaging under 10°C.
Figures from Météo-France’s Rueil station, 5.3 km north-east.
A year in Boissy-lès-Perche at a glance
Each month’s typical high and low in °C, at the Rueil station.
What a year in Boissy-lès-Perche feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Rueil.
About 663 mm of rain a year
December is the wettest month and April the driest. About 16 days a year bring 10 mm or more. 5th wettest of 33 towns of 2,500+ in Eure-et-Loir.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Evreux-Huest
A frosty town: 79 frosts and 53 days of 25°C a year
On about 79 nights a year the air drops to 0°C or below, and on about 4 days it stays below freezing all day. About 53 days a year reach 25°C, and 13 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Rueil: 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 Rueil
Rueil is 5.3 km north-east of Boissy-lès-Perche. Every figure on this page is the station’s, not a measurement in Boissy-lès-Perche itself.
| Station (Météo-France number) | Rueil (28322001) |
| Distance from the town | 5.3 km north-east |
| Station altitude | 157 m |
| Town altitude (its center) | 192 m |
| Period | 1991–2020 |
| Sunshine measured at | Evreux-Huest, 44 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 Boissy-lès-Perche 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 |
|---|---|---|---|---|
| Boissy-lès-Perche | Rueil | 25.2°C | 0.6°C | 663 mm |
| Verneuil d'Avre et d'Iton 7 km | same station | 25.2°C about the same | 0.6°C about the same | 663 mm |
| Breteuil 16 km | Breteuil | 25.2°C about the same | 1.2°C 0.6°C milder | 698 mm |
| Senonches 17 km | Senonches | 24.7°C 0.5°C cooler | 1.1°C 0.5°C milder | 817 mm |
| Longny les Villages 18 km | Beaulieu | 24.3°C 0.9°C cooler | 1.2°C 0.6°C milder | 837 mm |
| Tourouvre au Perche 21 km | Beaulieu | 24.3°C 0.9°C cooler | 1.2°C 0.6°C milder | 837 mm |
| L'Aigle 22 km | L'Aigle | 23.6°C 1.6°C cooler | 1.4°C 0.8°C milder | 730 mm |
Boissy-lès-Perche weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Rueil station; sunshine at Evreux-Huest.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.6°C | 0.6°C | 4.1°C | 59 mm | 64 |
| February | 8.9°C | −0.1°C | 4.4°C | 50 mm | 80 |
| March | 12.5°C | 1.4°C | 7.0°C | 48 mm | 128 |
| April | 16.1°C | 2.5°C | 9.3°C | 45 mm | 173 |
| May | 19.5°C | 6.1°C | 12.8°C | 57 mm | 194 |
| June | 22.9°C | 9.2°C | 16.0°C | 54 mm | 208 |
| July | 25.2°C | 11.1°C | 18.2°C | 55 mm | 214 |
| August | 25.4°C | 11.0°C | 18.2°C | 49 mm | 206 |
| September | 21.7°C | 8.2°C | 15.0°C | 50 mm | 170 |
| October | 16.5°C | 6.3°C | 11.4°C | 63 mm | 120 |
| November | 11.2°C | 3.2°C | 7.2°C | 63 mm | 72 |
| December | 7.9°C | 1.0°C | 4.4°C | 71 mm | 62 |
| Year | 16.3°C | 5.0°C | 10.7°C | 663 mm | 1,690 |
Where Boissy-lès-Perche’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Rueil, 5.3 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, Evreux-Huest, 44 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 Boissy-lès-Perche’s climate
How warm does Boissy-lès-Perche get in summer?
August is the warmest month, with average highs of 25.4°C. About 53 days a year reach 25°C, fewer than 65% of mainland French towns, and about 13 reach 30°C.
How cold does Boissy-lès-Perche get in winter?
February nights average −0.1°C. The air drops to 0°C or below on about 79 nights a year, and about 4 days a year stay below freezing all day.
How much rain does Boissy-lès-Perche get?
About 663 mm a year, less than 80% of mainland French towns. December is the wettest month (71 mm) and April the driest (45 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Evreux-Huest (44 km away), averages 1,690 hours of sunshine a year.
Are these figures for Boissy-lès-Perche itself?
No: they are the normals of the Météo-France station matched to Boissy-lès-Perche, Rueil, 5.3 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 RUEIL, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Boissy-lès-Perche →
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.