Viarmes is drier than 93% of mainland French towns: 616 mm of rain a year
January nights here settle around 2.3°C. The rainiest month is December; the driest is February. Days of 25°C are scarce: about 51 a year, fewer than in 67% of mainland French towns. Garden chairs stay out from May to September, the months with highs of 20–26°C.
Figures from Météo-France’s Le Bourget station, 18 km south.
A year in Viarmes at a glance
Each month’s typical high and low in °C, at the Le Bourget station.
What a year in Viarmes feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Le Bourget.
About 616 mm of rain a year
December is the wettest month and February the driest. About 16 days a year bring 10 mm or more. 51st wettest of 76 towns of 2,500+ in Val-d'Oise.
Rain by month
Millimeters
37 frosts and 51 days of 25°C a year
On about 37 nights a year the air drops to 0°C or below, and on about 3 days it stays below freezing all day. About 51 days a year reach 25°C, and 13 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Le Bourget: 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 Le Bourget
Le Bourget is 18 km south of Viarmes. Every figure on this page is the station’s, not a measurement in Viarmes itself.
| Station (Météo-France number) | Le Bourget (95088001) |
| Distance from the town | 18 km south |
| Station altitude | 49 m |
| Town altitude (its center) | 49 m |
| Period | 1991–2020 |
| Nearest station of any kind | 14 km |
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 Viarmes 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 Val-d'Oise.
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 |
|---|---|---|---|---|
| Viarmes | Le Bourget | 25.5°C | 2.3°C | 616 mm |
| Asnières-sur-Oise 1.2 km | same station | 25.5°C about the same | 2.3°C about the same | 616 mm |
| Saint-Martin-du-Tertre 3.1 km | Roissy | 25.1°C about the same | 2.3°C about the same | 694 mm |
| Luzarches 3.8 km | Roissy | 25.1°C about the same | 2.3°C about the same | 694 mm |
| Chaumontel 4.2 km | same station | 25.5°C about the same | 2.3°C about the same | 616 mm |
| Bruyères-sur-Oise 4.4 km | Creil | 24.9°C 0.6°C cooler | 1.4°C 0.9°C colder | 662 mm |
| Lamorlaye 5.4 km | Creil | 24.9°C 0.6°C cooler | 1.4°C 0.9°C colder | 662 mm |
Viarmes weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Le Bourget station.
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 7.5°C | 2.3°C | 4.9°C | 47 mm |
| February | 8.7°C | 2.1°C | 5.4°C | 41 mm |
| March | 12.6°C | 4.2°C | 8.4°C | 44 mm |
| April | 16.1°C | 6.3°C | 11.2°C | 43 mm |
| May | 19.6°C | 9.8°C | 14.7°C | 61 mm |
| June | 23.0°C | 13.0°C | 18.0°C | 54 mm |
| July | 25.5°C | 14.9°C | 20.2°C | 56 mm |
| August | 25.4°C | 14.6°C | 20.0°C | 53 mm |
| September | 21.5°C | 11.5°C | 16.5°C | 45 mm |
| October | 16.5°C | 8.8°C | 12.7°C | 57 mm |
| November | 11.1°C | 5.2°C | 8.1°C | 54 mm |
| December | 7.9°C | 2.8°C | 5.4°C | 63 mm |
| Year | 16.3°C | 8.0°C | 12.1°C | 616 mm |
Where Viarmes’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Le Bourget, 18 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.
- Comparisons: every town of 2,500 or more in mainland France, read the same way; the dots are the towns of 2,500+ in Val-d'Oise.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Viarmes’s climate
How warm does Viarmes get in summer?
July is the warmest month, with average highs of 25.5°C. About 51 days a year reach 25°C, fewer than 67% of mainland French towns, and about 13 reach 30°C.
How cold does Viarmes get in winter?
February nights average 2.1°C. The air drops to 0°C or below on about 37 nights a year, and about 3 days a year stay below freezing all day.
How much rain does Viarmes get?
About 616 mm a year, less than 93% of mainland French towns. December is the wettest month (63 mm) and February the driest (41 mm).
Are these figures for Viarmes itself?
No: they are the normals of the Météo-France station matched to Viarmes, Le Bourget, 18 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 LE BOURGET, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Viarmes →
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.