Ormoy sits near the bottom of mainland French towns for rain, with 572 mm a year
Nights in January average 1.6°C. Only about 48 days a year reach 25°C, fewer than in 72% of mainland French towns. Of all months, May brings the most rain and September the least. Central heating does most of its work from November to April, in months below 10°C on average.
These are the figures of Météo-France’s Marville station, 8.2 km north-west.
A year in Ormoy at a glance
Each month’s typical high and low in °C, at the Marville station.
What a year in Ormoy feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Marville.
About 572 mm of rain a year
May is the wettest month and September the driest. About 14 days a year bring 10 mm or more. 30th wettest of 33 towns of 2,500+ in Eure-et-Loir.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Chartres
49 frosts and 48 days of 25°C a year
On about 49 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 48 days a year reach 25°C, and 13 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Marville: 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 Marville
Marville is 8.2 km north-west of Ormoy. Every figure on this page is the station’s, not a measurement in Ormoy itself.
| Station (Météo-France number) | Marville (28239002) |
| Distance from the town | 8.2 km north-west |
| Station altitude | 153 m |
| Town altitude (its center) | 144 m |
| Period | 1991–2020 |
| Sunshine measured at | Chartres, 18 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 Ormoy 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 |
|---|---|---|---|---|
| Ormoy | Marville | 25.5°C | 1.6°C | 572 mm |
| Nogent-le-Roi 4.7 km | Houx | 25.7°C about the same | 1.2°C about the same | 622 mm |
| Pierres 7.7 km | Houx | 25.7°C about the same | 1.2°C about the same | 622 mm |
| Maintenon 9 km | Houx | 25.7°C about the same | 1.2°C about the same | 622 mm |
| Hanches 13 km | Houx | 25.7°C about the same | 1.2°C about the same | 622 mm |
| Vernouillet 15 km | same station | 25.5°C about the same | 1.6°C about the same | 572 mm |
| Dreux 15 km | same station | 25.5°C about the same | 1.6°C about the same | 572 mm |
Ormoy weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Marville station; sunshine at Chartres.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.7°C | 1.6°C | 4.1°C | 46 mm | 64 |
| February | 7.9°C | 1.3°C | 4.6°C | 41 mm | 88 |
| March | 11.8°C | 3.0°C | 7.4°C | 42 mm | 140 |
| April | 15.3°C | 4.4°C | 9.8°C | 40 mm | 184 |
| May | 18.9°C | 7.5°C | 13.2°C | 61 mm | 209 |
| June | 22.6°C | 10.5°C | 16.6°C | 52 mm | 222 |
| July | 25.5°C | 12.5°C | 19.0°C | 48 mm | 230 |
| August | 25.4°C | 12.6°C | 19.0°C | 46 mm | 220 |
| September | 21.2°C | 10.1°C | 15.7°C | 40 mm | 181 |
| October | 15.9°C | 7.8°C | 11.8°C | 52 mm | 118 |
| November | 10.4°C | 4.4°C | 7.4°C | 48 mm | 72 |
| December | 7.1°C | 2.0°C | 4.5°C | 56 mm | 60 |
| Year | 15.7°C | 6.5°C | 11.1°C | 572 mm | 1,787 |
Where Ormoy’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Marville, 8.2 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, 18 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 Ormoy’s climate
How warm does Ormoy get in summer?
July is the warmest month, with average highs of 25.5°C. About 48 days a year reach 25°C, fewer than 72% of mainland French towns, and about 13 reach 30°C.
How cold does Ormoy get in winter?
February nights average 1.3°C. The air drops to 0°C or below on about 49 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Ormoy get?
About 572 mm a year, less than 98% of mainland French towns. May is the wettest month (61 mm) and September the driest (40 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Chartres (18 km away), averages 1,787 hours of sunshine a year.
Are these figures for Ormoy itself?
No: they are the normals of the Météo-France station matched to Ormoy, Marville, 8.2 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 MARVILLE_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Ormoy →
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.