Ice on the ground: Ormoy sees more frosts than 86% of mainland French towns
Expect July afternoons of about 25.9°C. By rainfall alone, it ranks drier than 77% of mainland French towns. Of all months, December brings the most rain and February the least. Warm coats and heating bills mark the months from November to March, when means dip under 10°C.
Figures from Météo-France’s Seine-Port station, 9.2 km east.
A year in Ormoy at a glance
Each month’s typical high and low in °C, at the Seine-Port 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 Seine-Port.
About 673 mm of rain a year
December is the wettest month and February the driest. About 17 days a year bring 10 mm or more. 24th wettest of 96 towns of 2,500+ in Essonne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Orly
A frosty town: 65 frosts and 59 days of 25°C a year
On about 65 nights a year the air drops to 0°C or below, and on about 5 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 Seine-Port: 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 Seine-Port
Seine-Port is 9.2 km east of Ormoy. Every figure on this page is the station’s, not a measurement in Ormoy itself.
| Station (Météo-France number) | Seine-Port (77447002) |
| Distance from the town | 9.2 km east |
| Station altitude | 76 m |
| Town altitude (its center) | 52 m |
| Period | 1991–2014 (the station’s own record) |
| Nearest station of any kind | 7.7 km |
| Sunshine measured at | Orly, 17 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 Essonne.
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 | Seine-Port | 25.9°C | 1.0°C | 673 mm |
| Villabé 1.6 km | same station | 25.9°C about the same | 1.0°C about the same | 673 mm |
| Mennecy 2.1 km | Brétigny | 26.0°C about the same | 1.7°C 0.7°C milder | 629 mm |
| Le Coudray-Montceaux 2.5 km | same station | 25.9°C about the same | 1.0°C about the same | 673 mm |
| Corbeil-Essonnes 3.5 km | same station | 25.9°C about the same | 1.0°C about the same | 673 mm |
| Saintry-sur-Seine 3.7 km | same station | 25.9°C about the same | 1.0°C about the same | 673 mm |
| Lisses 4.4 km | Brétigny | 26.0°C about the same | 1.7°C 0.7°C milder | 629 mm |
Ormoy weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Seine-Port station; sunshine at Orly.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.0°C | 1.0°C | 4.0°C | 52 mm | 53 |
| February | 8.5°C | 0.5°C | 4.5°C | 47 mm | 85 |
| March | 12.8°C | 2.5°C | 7.6°C | 48 mm | 153 |
| April | 16.4°C | 4.5°C | 10.5°C | 51 mm | 203 |
| May | 20.3°C | 8.2°C | 14.3°C | 64 mm | 217 |
| June | 23.6°C | 11.0°C | 17.3°C | 60 mm | 224 |
| July | 25.9°C | 13.1°C | 19.5°C | 55 mm | 247 |
| August | 25.8°C | 12.7°C | 19.3°C | 53 mm | 221 |
| September | 21.6°C | 9.5°C | 15.6°C | 52 mm | 186 |
| October | 16.5°C | 7.0°C | 11.8°C | 61 mm | 117 |
| November | 10.7°C | 3.7°C | 7.2°C | 60 mm | 62 |
| December | 7.1°C | 1.3°C | 4.2°C | 69 mm | 64 |
| Year | 16.4°C | 6.3°C | 11.3°C | 673 mm | 1,831 |
Where Ormoy’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Seine-Port, 9.2 km away: statistics for 1991–2020 (the station’s own years, 1991–2014, 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, Orly, 17 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 Essonne.
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 25.9°C. About 59 days a year reach 25°C, fewer than 52% of mainland French towns, and about 16 reach 30°C.
How cold does Ormoy get in winter?
February nights average 0.5°C. The air drops to 0°C or below on about 65 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Ormoy get?
About 673 mm a year, less than 77% of mainland French towns. December is the wettest month (69 mm) and February the driest (47 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Orly (17 km away), averages 1,831 hours of sunshine a year.
Are these figures for Ormoy itself?
No: they are the normals of the Météo-France station matched to Ormoy, Seine-Port, 9.2 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 SEINE-PORT, 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.