Ice on the ground: Grosley-sur-Risle sees more frosts than 81% of mainland French towns
On a normal July day the thermometer tops out near 25.2°C. By July afternoons alone, it runs cooler than 68% of mainland French towns. A year here swings 24°C from midwinter lows to midsummer highs. An umbrella earns its place on about 123 days a year with 1 mm of rain or more.
Figures from Météo-France’s Breteuil station, 25 km south.
A year in Grosley-sur-Risle at a glance
Each month’s typical high and low in °C, at the Breteuil station.
What a year in Grosley-sur-Risle feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Breteuil.
About 698 mm of rain a year
December is the wettest month and August the driest. About 18 days a year bring 10 mm or more. 21st wettest of 39 towns of 2,500+ in Eure.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Evreux-Huest
A frosty town: 61 frosts and 52 days of 25°C a year
On about 61 nights a year the air drops to 0°C or below, and on about 3 days it stays below freezing all day. About 52 days a year reach 25°C, and 14 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Breteuil: 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 Breteuil
Breteuil is 25 km south of Grosley-sur-Risle. Every figure on this page is the station’s, not a measurement in Grosley-sur-Risle itself.
| Station (Météo-France number) | Breteuil (27112001) |
| Distance from the town | 25 km south |
| Station altitude | 168 m |
| Town altitude (its center) | 153 m |
| Period | 1991–2020 |
| Nearest station of any kind | 17 km |
| Sunshine measured at | Evreux-Huest, 30 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 Grosley-sur-Risle 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 Eure.
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 |
|---|---|---|---|---|
| Grosley-sur-Risle | Breteuil | 25.2°C | 1.2°C | 698 mm |
| Beaumont-le-Roger 4.1 km | Brionne | 25.0°C about the same | 1.7°C 0.5°C milder | 792 mm |
| Mesnil-en-Ouche 12 km | Les Bottereaux | 25.2°C about the same | 0.9°C about the same | 737 mm |
| Le Neubourg 13 km | Brionne | 25.0°C about the same | 1.7°C 0.5°C milder | 792 mm |
| Conches-en-Ouche 14 km | same station | 25.2°C about the same | 1.2°C about the same | 698 mm |
| Bernay 17 km | Brionne | 25.0°C about the same | 1.7°C 0.5°C milder | 792 mm |
| Brionne 17 km | Brionne | 25.0°C about the same | 1.7°C 0.5°C milder | 792 mm |
Grosley-sur-Risle weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Breteuil station; sunshine at Evreux-Huest.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.5°C | 1.2°C | 4.4°C | 61 mm | 64 |
| February | 8.8°C | 0.9°C | 4.8°C | 53 mm | 80 |
| March | 12.5°C | 2.4°C | 7.5°C | 52 mm | 128 |
| April | 16.0°C | 3.9°C | 9.9°C | 47 mm | 173 |
| May | 19.5°C | 7.3°C | 13.4°C | 63 mm | 194 |
| June | 22.9°C | 10.2°C | 16.6°C | 57 mm | 208 |
| July | 25.2°C | 12.2°C | 18.7°C | 58 mm | 214 |
| August | 25.3°C | 12.1°C | 18.7°C | 46 mm | 206 |
| September | 21.6°C | 9.3°C | 15.4°C | 53 mm | 170 |
| October | 16.3°C | 7.2°C | 11.7°C | 66 mm | 120 |
| November | 11.1°C | 4.0°C | 7.5°C | 66 mm | 72 |
| December | 7.9°C | 1.6°C | 4.7°C | 79 mm | 62 |
| Year | 16.2°C | 6.0°C | 11.1°C | 698 mm | 1,690 |
Where Grosley-sur-Risle’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Breteuil, 25 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, Evreux-Huest, 30 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 Eure.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Grosley-sur-Risle’s climate
How warm does Grosley-sur-Risle get in summer?
August is the warmest month, with average highs of 25.3°C. About 52 days a year reach 25°C, fewer than 65% of mainland French towns, and about 14 reach 30°C.
How cold does Grosley-sur-Risle get in winter?
February nights average 0.9°C. The air drops to 0°C or below on about 61 nights a year, and about 3 days a year stay below freezing all day.
How much rain does Grosley-sur-Risle get?
About 698 mm a year, less than 68% of mainland French towns. December is the wettest month (79 mm) and August the driest (46 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Evreux-Huest (30 km away), averages 1,690 hours of sunshine a year.
Are these figures for Grosley-sur-Risle itself?
No: they are the normals of the Météo-France station matched to Grosley-sur-Risle, Breteuil, 25 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 BRETEUIL, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Grosley-sur-Risle →
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.