Ice on the ground: Prévessin-Moëns sees more frosts than 94% of mainland French towns
Sunny July days climb to about 27.6°C. Its yearly rainfall tops that of 85% of mainland French towns. The gap between a January night and a July afternoon is 29°C. If you like long walks, May, June and September offer highs of 21–25°C.
Figures from Météo-France’s Gaillard station, 14 km south-east.
A year in Prévessin-Moëns at a glance
Each month’s typical high and low in °C, at the Gaillard station.
What a year in Prévessin-Moëns feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Gaillard.
About 967 mm of rain a year
October is the wettest month and February the driest. About 33 days a year bring 10 mm or more. 29th wettest of 60 towns of 2,500+ in Ain.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Meythet
A frosty town: 79 frosts and 78 days of 25°C a year
On about 79 nights a year the air drops to 0°C or below, and on about 7 days it stays below freezing all day. About 78 days a year reach 25°C, and 26 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Gaillard: 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 Gaillard
Gaillard is 14 km south-east of Prévessin-Moëns. Every figure on this page is the station’s, not a measurement in Prévessin-Moëns itself.
| Station (Météo-France number) | Gaillard (74133001) |
| Distance from the town | 14 km south-east |
| Station altitude | 399 m |
| Town altitude (its center) | 472 m |
| Period | 1991–2020 |
| Nearest station of any kind | 5.9 km |
| Sunshine measured at | Meythet, 37 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 Prévessin-Moëns 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 Ain.
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 |
|---|---|---|---|---|
| Prévessin-Moëns | Gaillard | 27.6°C | −1.1°C | 967 mm |
| Ferney-Voltaire 2.4 km | same station | 27.6°C about the same | −1.1°C about the same | 967 mm |
| Ornex 2.5 km | same station | 27.6°C about the same | −1.1°C about the same | 967 mm |
| Saint-Genis-Pouilly 4 km | same station | 27.6°C about the same | −1.1°C about the same | 967 mm |
| Ségny 4.4 km | same station | 27.6°C about the same | −1.1°C about the same | 967 mm |
| Cessy 7 km | Archamps | 26.4°C 1.2°C cooler | −1.0°C about the same | 1,170 mm |
| Thoiry 8 km | Archamps | 26.4°C 1.2°C cooler | −1.0°C about the same | 1,170 mm |
Prévessin-Moëns weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Gaillard station; sunshine at Meythet.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.7°C | −1.1°C | 2.3°C | 63 mm | 88 |
| February | 7.9°C | −1.2°C | 3.3°C | 54 mm | 113 |
| March | 13.0°C | 1.4°C | 7.2°C | 63 mm | 174 |
| April | 17.1°C | 4.5°C | 10.8°C | 76 mm | 191 |
| May | 21.2°C | 8.8°C | 15.0°C | 89 mm | 220 |
| June | 25.2°C | 12.3°C | 18.8°C | 87 mm | 256 |
| July | 27.6°C | 14.1°C | 20.9°C | 83 mm | 274 |
| August | 27.2°C | 13.7°C | 20.5°C | 88 mm | 249 |
| September | 22.1°C | 10.3°C | 16.2°C | 96 mm | 195 |
| October | 16.5°C | 6.9°C | 11.7°C | 98 mm | 141 |
| November | 10.0°C | 2.4°C | 6.2°C | 88 mm | 91 |
| December | 6.1°C | −0.3°C | 2.9°C | 82 mm | 78 |
| Year | 16.6°C | 6.0°C | 11.3°C | 967 mm | 2,069 |
Where Prévessin-Moëns’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Gaillard, 14 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, Meythet, 37 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 Ain.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Prévessin-Moëns’s climate
How warm does Prévessin-Moëns get in summer?
July is the warmest month, with average highs of 27.6°C. About 78 days a year reach 25°C, more than 70% of mainland French towns, and about 26 reach 30°C.
How cold does Prévessin-Moëns get in winter?
February nights average −1.2°C. The air drops to 0°C or below on about 79 nights a year, and about 7 days a year stay below freezing all day.
How much rain does Prévessin-Moëns get?
About 967 mm a year, more than 85% of mainland French towns. October is the wettest month (98 mm) and February the driest (54 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Meythet (37 km away), averages 2,069 hours of sunshine a year.
Are these figures for Prévessin-Moëns itself?
No: they are the normals of the Météo-France station matched to Prévessin-Moëns, Gaillard, 14 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 GAILLARD, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Prévessin-Moëns →
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.