A middle-of-the-road climate: Varennes-Jarcy is close to most mainland French towns on every count
January nights average 1.8°C, July afternoons 25.9°C, and a year brings 698 mm of rain. Rain is light here, less than falls on 68% of mainland French towns. Seasons differ by 25°C, from the coldest nights to the warmest afternoons. Frost greets about 45 mornings a year, so leave time to clear the car.
These are the figures of Météo-France’s Mandres station, 3.4 km north.
A year in Varennes-Jarcy at a glance
Each month’s typical high and low in °C, at the Mandres station.
What a year in Varennes-Jarcy feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Mandres.
About 698 mm of rain a year
December is the wettest month and March the driest. About 20 days a year bring 10 mm or more. 9th wettest of 96 towns of 2,500+ in Essonne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Melun
45 frosts and 60 days of 25°C a year
On about 45 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 60 days a year reach 25°C, and 16 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Mandres: 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 Mandres
Mandres is 3.4 km north of Varennes-Jarcy. Every figure on this page is the station’s, not a measurement in Varennes-Jarcy itself.
| Station (Météo-France number) | Mandres (94047001) |
| Distance from the town | 3.4 km north |
| Station altitude | 93 m |
| Town altitude (its center) | 54 m |
| Period | 1991–2020 |
| Sunshine measured at | Melun, 12 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 Varennes-Jarcy 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 |
|---|---|---|---|---|
| Varennes-Jarcy | Mandres | 25.9°C | 1.8°C | 698 mm |
| Quincy-sous-Sénart 1.8 km | same station | 25.9°C about the same | 1.8°C about the same | 698 mm |
| Périgny 1.8 km | same station | 25.9°C about the same | 1.8°C about the same | 698 mm |
| Combs-la-Ville 2 km | same station | 25.9°C about the same | 1.8°C about the same | 698 mm |
| Boussy-Saint-Antoine 2.2 km | same station | 25.9°C about the same | 1.8°C about the same | 698 mm |
| Mandres-les-Roses 3 km | same station | 25.9°C about the same | 1.8°C about the same | 698 mm |
| Épinay-sous-Sénart 3.2 km | same station | 25.9°C about the same | 1.8°C about the same | 698 mm |
Varennes-Jarcy weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Mandres station; sunshine at Melun.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.2°C | 1.8°C | 4.5°C | 57 mm | 60 |
| February | 8.6°C | 1.6°C | 5.0°C | 51 mm | 83 |
| March | 12.7°C | 3.8°C | 8.2°C | 50 mm | 143 |
| April | 16.4°C | 5.8°C | 11.0°C | 51 mm | 188 |
| May | 19.9°C | 9.6°C | 14.8°C | 67 mm | 216 |
| June | 23.5°C | 12.7°C | 18.1°C | 59 mm | 226 |
| July | 25.9°C | 14.5°C | 20.2°C | 60 mm | 235 |
| August | 26.1°C | 14.0°C | 20.0°C | 61 mm | 225 |
| September | 21.8°C | 10.8°C | 16.3°C | 52 mm | 180 |
| October | 16.6°C | 8.2°C | 12.4°C | 58 mm | 119 |
| November | 10.9°C | 4.7°C | 7.8°C | 62 mm | 68 |
| December | 7.5°C | 2.4°C | 5.0°C | 71 mm | 54 |
| Year | 16.4°C | 7.5°C | 11.9°C | 698 mm | 1,798 |
Where Varennes-Jarcy’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Mandres, 3.4 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, Melun, 12 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 Varennes-Jarcy’s climate
How warm does Varennes-Jarcy get in summer?
August is the warmest month, with average highs of 26.1°C. About 60 days a year reach 25°C, fewer than 52% of mainland French towns, and about 16 reach 30°C.
How cold does Varennes-Jarcy get in winter?
February nights average 1.6°C. The air drops to 0°C or below on about 45 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Varennes-Jarcy get?
About 698 mm a year, less than 68% of mainland French towns. December is the wettest month (71 mm) and March the driest (50 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Melun (12 km away), averages 1,798 hours of sunshine a year.
Are these figures for Varennes-Jarcy itself?
No: they are the normals of the Météo-France station matched to Varennes-Jarcy, Mandres, 3.4 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 MANDRES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Varennes-Jarcy →
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.