Fewer days reach 25 degrees in Happonvilliers than in 82% of mainland French towns
The depth of winter brings overnight lows near 1.6°C. Rain peaks in December and eases off in April. Gritters and ice scrapers earn their keep on roughly 39 nights a year below 0°C.
Figures from Météo-France’s Miermaigne station, 12 km south-west.
A year in Happonvilliers at a glance
Each month’s typical high and low in °C, at the Miermaigne station.
What a year in Happonvilliers feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Miermaigne.
About 755 mm of rain a year
December is the wettest month and April the driest. About 22 days a year bring 10 mm or more. 3rd wettest of 33 towns of 2,500+ in Eure-et-Loir.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Chartres
39 frosts and 39 days of 25°C a year
On about 39 nights a year the air drops to 0°C or below, and on about 7 days it stays below freezing all day. About 39 days a year reach 25°C, and 9 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Miermaigne: 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 Miermaigne
Miermaigne is 12 km south-west of Happonvilliers. Every figure on this page is the station’s, not a measurement in Happonvilliers itself.
| Station (Météo-France number) | Miermaigne (28252002) |
| Distance from the town | 12 km south-west |
| Station altitude | 267 m |
| Town altitude (its center) | 222 m |
| Period | 1993–2020 (the station’s own record) |
| Sunshine measured at | Chartres, 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 Happonvilliers 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, each with its own matched station.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Happonvilliers | Miermaigne | 24.6°C | 1.6°C | 755 mm |
| Illiers-Combray 10 km | Blandainville | 25.4°C 0.8°C warmer | 1.6°C about the same | 626 mm |
| Brou 14 km | Blandainville | 25.4°C 0.8°C warmer | 1.6°C about the same | 626 mm |
| Courville-sur-Eure 17 km | Blandainville | 25.4°C 0.8°C warmer | 1.6°C about the same | 626 mm |
| La Loupe 17 km | La Loupe | 25.1°C 0.5°C warmer | 1.2°C about the same | 718 mm |
| Saint-Georges-sur-Eure 21 km | Chartres | 25.2°C 0.6°C warmer | 1.8°C about the same | 606 mm |
| Nogent-le-Rotrou 22 km | Preaux-du-Perche | 25.3°C 0.7°C warmer | 1.8°C about the same | 748 mm |
Happonvilliers weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Miermaigne station; sunshine at Chartres.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.1°C | 1.6°C | 3.9°C | 73 mm | 64 |
| February | 7.6°C | 1.8°C | 4.7°C | 62 mm | 88 |
| March | 11.1°C | 3.6°C | 7.4°C | 58 mm | 140 |
| April | 14.7°C | 5.5°C | 10.1°C | 51 mm | 184 |
| May | 18.2°C | 8.6°C | 13.4°C | 64 mm | 209 |
| June | 21.9°C | 11.6°C | 16.8°C | 55 mm | 222 |
| July | 24.6°C | 13.5°C | 19.1°C | 54 mm | 230 |
| August | 24.4°C | 13.6°C | 19.0°C | 53 mm | 220 |
| September | 20.3°C | 10.9°C | 15.6°C | 54 mm | 181 |
| October | 15.3°C | 8.3°C | 11.8°C | 73 mm | 118 |
| November | 9.7°C | 4.6°C | 7.1°C | 71 mm | 72 |
| December | 6.7°C | 2.1°C | 4.4°C | 88 mm | 60 |
| Year | 15.0°C | 7.1°C | 11.1°C | 755 mm | 1,787 |
Where Happonvilliers’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Miermaigne, 12 km away: statistics for 1991–2020 (the station’s own years, 1993–2020, where its record is shorter).
- 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, 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 Eure-et-Loir.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Happonvilliers’s climate
How warm does Happonvilliers get in summer?
July is the warmest month, with average highs of 24.6°C. About 39 days a year reach 25°C, fewer than 82% of mainland French towns, and about 9 reach 30°C.
How cold does Happonvilliers get in winter?
January nights average 1.6°C. The air drops to 0°C or below on about 39 nights a year, and about 7 days a year stay below freezing all day.
How much rain does Happonvilliers get?
About 755 mm a year, more than 50% of mainland French towns. December is the wettest month (88 mm) and April the driest (51 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Chartres (32 km away), averages 1,787 hours of sunshine a year.
Are these figures for Happonvilliers itself?
No: they are the normals of the Météo-France station matched to Happonvilliers, Miermaigne, 12 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 MIERMAIGNE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Happonvilliers →
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.