Hardly any mainland French towns wake to more frost than Oulles
Peak summer warmth arrives in July, with afternoons near 22.2°C. Seasons differ by 27°C, from the coldest nights to the warmest afternoons. Summers stay cool: July afternoons here are cooler than in 95% of mainland French towns. Plan time outside from June to August, when highs sit at 20–22°C.
These are the figures of Météo-France’s Besse station, 15 km east.
A year in Oulles at a glance
Each month’s typical high and low in °C, at the Besse station.
What a year in Oulles feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Besse.
About 932 mm of rain a year
December is the wettest month and April the driest. About 32 days a year bring 10 mm or more. 67th wettest of 110 towns of 2,500+ in Isère.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Villar-Saint-Pancrace
A frosty town: 134 frosts and 24 days of 25°C a year
On about 134 nights a year the air drops to 0°C or below, and on about 22 days it stays below freezing all day. About 24 days a year reach 25°C, and 1 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Besse: 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 Besse
Besse is 15 km east of Oulles. Every figure on this page is the station’s, not a measurement in Oulles itself.
| Station (Météo-France number) | Besse (38040001) |
| Distance from the town | 15 km east |
| Station altitude | 1,520 m |
| Town altitude (its center) | 1,388 m |
| Period | 1991–2020 |
| Nearest station of any kind | 8.2 km |
| Sunshine measured at | Villar-Saint-Pancrace, 56 km away |
Oulles sits 132 m lower than the station. Air usually warms by about 0.65°C every 100 m you go down, so expect Oulles to run about 0.9°C warmer than these figures.
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 Oulles 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 Isère.
Nearby towns’ climate
The nearest towns of 2,500+ within 29 km, each with its own matched station.
| Town | Station | July high | January low | Rain a year |
|---|---|---|---|---|
| Oulles | Besse | 22.2°C | −4.1°C | 932 mm |
| Le Bourg-d'Oisans 4.1 km | Saint-Michel Maur | 27.4°C 5.2°C warmer | −2.8°C 1.3°C milder | 754 mm |
| Vaulnaveys-le-Haut 14 km | Saint-Pierre-de-Soucy | 27.7°C 5.5°C warmer | −1.8°C 2.3°C milder | 1,122 mm |
| Saint-Martin-d'Uriage 14 km | Monestier | 25.0°C 2.8°C warmer | −2.1°C 2°C milder | 1,063 mm |
| Vizille 17 km | Chatte | 28.3°C 6.1°C warmer | −0.5°C 3.6°C milder | 968 mm |
| Domène 18 km | Pont-de-Beauvoisin | 28.5°C 6.3°C warmer | −1.2°C 2.9°C milder | 1,166 mm |
| Le Versoud 19 km | Pont-de-Beauvoisin | 28.5°C 6.3°C warmer | −1.2°C 2.9°C milder | 1,166 mm |
Oulles weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Besse station; sunshine at Villar-Saint-Pancrace.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 3.9°C | −4.1°C | −0.1°C | 85 mm | 126 |
| February | 4.5°C | −4.6°C | −0.1°C | 64 mm | 131 |
| March | 8.4°C | −1.6°C | 3.4°C | 69 mm | 165 |
| April | 11.6°C | 1.1°C | 6.4°C | 61 mm | 193 |
| May | 15.7°C | 4.9°C | 10.3°C | 76 mm | 217 |
| June | 19.8°C | 8.6°C | 14.2°C | 75 mm | 245 |
| July | 22.2°C | 10.4°C | 16.3°C | 69 mm | 270 |
| August | 22.2°C | 10.6°C | 16.4°C | 70 mm | 250 |
| September | 17.9°C | 7.2°C | 12.5°C | 73 mm | 179 |
| October | 13.7°C | 4.2°C | 9.0°C | 90 mm | 139 |
| November | 7.5°C | −0.4°C | 3.5°C | 98 mm | 112 |
| December | 4.5°C | −3.2°C | 0.7°C | 103 mm | 109 |
| Year | 12.7°C | 2.8°C | 7.7°C | 932 mm | 2,135 |
Where Oulles’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Besse, 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.
- Sunshine: the nearest station with at least 10 years of sunshine records, Villar-Saint-Pancrace, 56 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 Isère.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Oulles’s climate
How warm does Oulles get in summer?
July is the warmest month, with average highs of 22.2°C. About 24 days a year reach 25°C, fewer than 93% of mainland French towns, and about 1 reach 30°C.
How cold does Oulles get in winter?
February nights average −4.6°C. The air drops to 0°C or below on about 134 nights a year, and about 22 days a year stay below freezing all day.
How much rain does Oulles get?
About 932 mm a year, more than 82% of mainland French towns. December is the wettest month (103 mm) and April the driest (61 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Villar-Saint-Pancrace (56 km away), averages 2,135 hours of sunshine a year.
Are these figures for Oulles itself?
No: they are the normals of the Météo-France station matched to Oulles, Besse, 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 BESSE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Oulles →
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.