Cornier sits near the bottom of mainland French towns for winter warmth
On a normal July day the thermometer tops out near 27.5°C. The seasons are far apart: from a winter night to a summer afternoon the average spans 30°C. By rainfall alone, it ranks wetter than 96% of mainland French towns. Expect about 97 frosty starts a year, nights when the air falls below freezing.
Figures from Météo-France’s Ayze station, 10 km east.
A year in Cornier at a glance
Each month’s typical high and low in °C, at the Ayze station.
What a year in Cornier feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Ayze.
About 1,193 mm of rain a year
August is the wettest month and February the driest. About 42 days a year bring 10 mm or more. 29th wettest of 69 towns of 2,500+ in Haute-Savoie.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Meythet
A frosty town: 97 frosts and 81 days of 25°C a year
On about 97 nights a year the air drops to 0°C or below, and on about 9 days it stays below freezing all day. About 81 days a year reach 25°C, and 27 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Ayze: 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 Ayze
Ayze is 10 km east of Cornier. Every figure on this page is the station’s, not a measurement in Cornier itself.
| Station (Météo-France number) | Ayze (74024001) |
| Distance from the town | 10 km east |
| Station altitude | 449 m |
| Town altitude (its center) | 513 m |
| Period | 1991–2020 |
| Nearest station of any kind | 8.3 km |
| Sunshine measured at | Meythet, 24 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 Cornier 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 Haute-Savoie.
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 |
|---|---|---|---|---|
| Cornier | Ayze | 27.5°C | −2.4°C | 1,193 mm |
| Pers-Jussy 3.1 km | Archamps | 26.4°C 1.1°C cooler | −1.0°C 1.4°C milder | 1,170 mm |
| Amancy 3.2 km | same station | 27.5°C about the same | −2.4°C about the same | 1,193 mm |
| La Roche-sur-Foron 3.5 km | Archamps | 26.4°C 1.1°C cooler | −1.0°C 1.4°C milder | 1,170 mm |
| Reignier-Ésery 5.5 km | Gaillard | 27.6°C about the same | −1.1°C 1.3°C milder | 967 mm |
| Saint-Pierre-en-Faucigny 6.4 km | same station | 27.5°C about the same | −2.4°C about the same | 1,193 mm |
| Fillinges 8.6 km | Archamps | 26.4°C 1.1°C cooler | −1.0°C 1.4°C milder | 1,170 mm |
Cornier weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Ayze station; sunshine at Meythet.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.0°C | −2.4°C | 1.3°C | 81 mm | 88 |
| February | 7.9°C | −2.2°C | 2.8°C | 70 mm | 113 |
| March | 13.2°C | 0.5°C | 6.9°C | 79 mm | 174 |
| April | 17.3°C | 3.7°C | 10.5°C | 91 mm | 191 |
| May | 21.4°C | 8.0°C | 14.7°C | 117 mm | 220 |
| June | 25.2°C | 11.5°C | 18.4°C | 111 mm | 256 |
| July | 27.5°C | 13.3°C | 20.4°C | 109 mm | 274 |
| August | 27.0°C | 13.1°C | 20.0°C | 119 mm | 249 |
| September | 22.1°C | 9.6°C | 15.9°C | 110 mm | 195 |
| October | 16.5°C | 6.1°C | 11.3°C | 105 mm | 141 |
| November | 9.5°C | 1.4°C | 5.4°C | 101 mm | 91 |
| December | 5.2°C | −1.6°C | 1.8°C | 100 mm | 78 |
| Year | 16.5°C | 5.1°C | 10.8°C | 1,193 mm | 2,069 |
Where Cornier’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Ayze, 10 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, 24 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 Haute-Savoie.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Cornier’s climate
How warm does Cornier get in summer?
July is the warmest month, with average highs of 27.5°C. About 81 days a year reach 25°C, more than 71% of mainland French towns, and about 27 reach 30°C.
How cold does Cornier get in winter?
January nights average −2.4°C. The air drops to 0°C or below on about 97 nights a year, and about 9 days a year stay below freezing all day.
How much rain does Cornier get?
About 1,193 mm a year, more than 96% of mainland French towns. August is the wettest month (119 mm) and February the driest (70 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Meythet (24 km away), averages 2,069 hours of sunshine a year.
Are these figures for Cornier itself?
No: they are the normals of the Météo-France station matched to Cornier, Ayze, 10 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 AYZE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Cornier →
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.