Photo: SalariéVerisure · CC BY-SA 4.0Châtenay-Malabry gets fewer frosts than 89% of mainland French towns
On a normal July day the thermometer tops out near 25.7°C. Its yearly rainfall falls short of 88% of mainland French towns. May is the wettest month, February the driest. Plan time outside from May to September, when highs sit at 20–26°C.
These are the figures of Météo-France’s Paris-Montsouris station, 7.8 km north-east.
A year in Châtenay-Malabry at a glance
Each month’s typical high and low in °C, at the Paris-Montsouris station.
What a year in Châtenay-Malabry feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Paris-Montsouris.
About 634 mm of rain a year
May is the wettest month and February the driest. About 16 days a year bring 10 mm or more. 22nd wettest of 35 towns of 2,500+ in Hauts-de-Seine.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Paris-Montsouris
21 frosts and 55 days of 25°C a year
On about 21 nights a year the air drops to 0°C or below, and on about 3 days it stays below freezing all day. About 55 days a year reach 25°C, and 14 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Paris-Montsouris: 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 Paris-Montsouris
Paris-Montsouris is 7.8 km north-east of Châtenay-Malabry. Every figure on this page is the station’s, not a measurement in Châtenay-Malabry itself.
| Station (Météo-France number) | Paris-Montsouris (75114001) |
| Distance from the town | 7.8 km north-east |
| Station altitude | 75 m |
| Town altitude (its center) | 116 m |
| Period | 1991–2020 |
| Sunshine measured at | the same station |
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 Châtenay-Malabry 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 Hauts-de-Seine.
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 |
|---|---|---|---|---|
| Châtenay-Malabry | Paris-Montsouris | 25.7°C | 3.2°C | 634 mm |
| Le Plessis-Robinson 1.5 km | Toussus-le-Noble | 25.2°C 0.5°C cooler | 1.6°C 1.6°C colder | 677 mm |
| Sceaux 2.3 km | same station | 25.7°C about the same | 3.2°C about the same | 634 mm |
| Verrières-le-Buisson 2.5 km | Orly | 25.8°C about the same | 2.1°C 1.1°C colder | 622 mm |
| Fontenay-aux-Roses 2.7 km | same station | 25.7°C about the same | 3.2°C about the same | 634 mm |
| Antony 3 km | Choisy-le-Roi | 26.2°C 0.5°C warmer | 2.8°C about the same | 607 mm |
| Clamart 3.4 km | same station | 25.7°C about the same | 3.2°C about the same | 634 mm |
Châtenay-Malabry weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Paris-Montsouris station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.6°C | 3.2°C | 5.4°C | 48 mm | 59 |
| February | 8.8°C | 3.3°C | 6.0°C | 42 mm | 84 |
| March | 12.8°C | 5.6°C | 9.2°C | 45 mm | 135 |
| April | 16.6°C | 7.9°C | 12.2°C | 46 mm | 177 |
| May | 20.2°C | 11.1°C | 15.6°C | 69 mm | 201 |
| June | 23.4°C | 14.2°C | 18.8°C | 51 mm | 204 |
| July | 25.7°C | 16.2°C | 20.9°C | 59 mm | 222 |
| August | 25.6°C | 16.0°C | 20.8°C | 58 mm | 215 |
| September | 21.5°C | 13.0°C | 17.2°C | 45 mm | 175 |
| October | 16.5°C | 9.9°C | 13.2°C | 55 mm | 119 |
| November | 11.1°C | 6.2°C | 8.7°C | 54 mm | 70 |
| December | 8.0°C | 3.8°C | 5.9°C | 62 mm | 57 |
| Year | 16.5°C | 9.2°C | 12.8°C | 634 mm | 1,717 |
Where Châtenay-Malabry’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Paris-Montsouris, 7.8 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, Paris-Montsouris, 7.8 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 Hauts-de-Seine.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Châtenay-Malabry’s climate
How warm does Châtenay-Malabry get in summer?
July is the warmest month, with average highs of 25.7°C. About 55 days a year reach 25°C, fewer than 61% of mainland French towns, and about 14 reach 30°C.
How cold does Châtenay-Malabry get in winter?
January nights average 3.2°C. The air drops to 0°C or below on about 21 nights a year, and about 3 days a year stay below freezing all day.
How much rain does Châtenay-Malabry get?
About 634 mm a year, less than 88% of mainland French towns. May is the wettest month (69 mm) and February the driest (42 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Paris-Montsouris (7.8 km away), averages 1,717 hours of sunshine a year.
Are these figures for Châtenay-Malabry itself?
No: they are the normals of the Météo-France station matched to Châtenay-Malabry, Paris-Montsouris, 7.8 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 PARIS-MONTSOURIS, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Châtenay-Malabry →
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.