Boran-sur-Oise is drier than 81% of mainland French towns: 662 mm of rain a year
In July the day’s top temperature is typically 24.9°C. Only about 45 days a year reach 25°C, fewer than in 75% of mainland French towns. Of all months, December brings the most rain and September the least. Radiators earn their keep from November to March, the months that average under 10°C.
These are the figures of Météo-France’s Creil station, 15 km north-east.
A year in Boran-sur-Oise at a glance
Each month’s typical high and low in °C, at the Creil station.
What a year in Boran-sur-Oise feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Creil.
About 662 mm of rain a year
December is the wettest month and September the driest. About 17 days a year bring 10 mm or more. 11th wettest of 59 towns of 2,500+ in Oise.
Rain by month
Millimeters
A frosty town: 51 frosts and 45 days of 25°C a year
On about 51 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 45 days a year reach 25°C, and 10 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Creil: 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 Creil
Creil is 15 km north-east of Boran-sur-Oise. Every figure on this page is the station’s, not a measurement in Boran-sur-Oise itself.
| Station (Météo-France number) | Creil (60175001) |
| Distance from the town | 15 km north-east |
| Station altitude | 88 m |
| Town altitude (its center) | 35 m |
| Period | 1991–2020 |
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 Boran-sur-Oise 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 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 |
|---|---|---|---|---|
| Boran-sur-Oise | Creil | 24.9°C | 1.4°C | 662 mm |
| Bruyères-sur-Oise 2.2 km | same station | 24.9°C about the same | 1.4°C about the same | 662 mm |
| Asnières-sur-Oise 3.2 km | Le Bourget | 25.5°C 0.6°C warmer | 2.3°C 0.9°C milder | 616 mm |
| Viarmes 4.4 km | Le Bourget | 25.5°C 0.6°C warmer | 2.3°C 0.9°C milder | 616 mm |
| Bernes-sur-Oise 4.6 km | Pontoise -Ville | 26.1°C 1.2°C warmer | 2.7°C 1.3°C milder | 667 mm |
| Précy-sur-Oise 4.9 km | same station | 24.9°C about the same | 1.4°C about the same | 662 mm |
| Gouvieux 5.1 km | same station | 24.9°C about the same | 1.4°C about the same | 662 mm |
Boran-sur-Oise weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Creil station.
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 6.8°C | 1.4°C | 4.1°C | 56 mm |
| February | 8.0°C | 1.2°C | 4.6°C | 47 mm |
| March | 12.0°C | 3.1°C | 7.5°C | 48 mm |
| April | 15.6°C | 4.9°C | 10.3°C | 45 mm |
| May | 19.0°C | 8.4°C | 13.7°C | 60 mm |
| June | 22.4°C | 11.4°C | 16.9°C | 56 mm |
| July | 24.9°C | 13.4°C | 19.2°C | 56 mm |
| August | 24.8°C | 13.2°C | 19.0°C | 58 mm |
| September | 20.9°C | 10.3°C | 15.6°C | 45 mm |
| October | 15.9°C | 7.8°C | 11.9°C | 61 mm |
| November | 10.5°C | 4.3°C | 7.4°C | 59 mm |
| December | 7.2°C | 1.9°C | 4.5°C | 71 mm |
| Year | 15.7°C | 6.8°C | 11.2°C | 662 mm |
Where Boran-sur-Oise’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Creil, 15 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 Oise.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Boran-sur-Oise’s climate
How warm does Boran-sur-Oise get in summer?
July is the warmest month, with average highs of 24.9°C. About 45 days a year reach 25°C, fewer than 75% of mainland French towns, and about 10 reach 30°C.
How cold does Boran-sur-Oise get in winter?
February nights average 1.2°C. The air drops to 0°C or below on about 51 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Boran-sur-Oise get?
About 662 mm a year, less than 81% of mainland French towns. December is the wettest month (71 mm) and September the driest (45 mm).
Are these figures for Boran-sur-Oise itself?
No: they are the normals of the Météo-France station matched to Boran-sur-Oise, Creil, 15 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 CREIL, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Boran-sur-Oise →
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.