The climate in Vernon sits close to the middle of mainland French towns
A typical January night drops to 2.4°C and a July afternoon reaches 26.6°C; 762 mm of rain falls in a year. Its July heat outdoes that of 63% of mainland French towns. Wet weather is most frequent in November and least in July. Gritters and ice scrapers earn their keep on roughly 43 nights a year below 0°C.
Figures from Météo-France’s La Ferrière-Airoux station, 14 km south-west.
A year in Vernon at a glance
Each month’s typical high and low in °C, at the La Ferrière-Airoux station.
What a year in Vernon feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at La Ferrière-Airoux.
About 762 mm of rain a year
November is the wettest month and July the driest. About 22 days a year bring 10 mm or more. 10th wettest of 37 towns of 2,500+ in Vienne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Poitiers-Biard
43 frosts and 67 days of 25°C a year
On about 43 nights a year the air drops to 0°C or below, and on about 3 days it stays below freezing all day. About 67 days a year reach 25°C, and 20 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at La Ferrière-Airoux: 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 La Ferrière-Airoux
La Ferrière-Airoux is 14 km south-west of Vernon. Every figure on this page is the station’s, not a measurement in Vernon itself.
| Station (Météo-France number) | La Ferrière-Airoux (86097001) |
| Distance from the town | 14 km south-west |
| Station altitude | 122 m |
| Town altitude (its center) | 125 m |
| Period | 1991–2020 |
| Sunshine measured at | Poitiers-Biard, 22 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 Vernon 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 Vienne.
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 |
|---|---|---|---|---|
| Vernon | La Ferrière-Airoux | 26.6°C | 2.4°C | 762 mm |
| Nieuil-l'Espoir 6.3 km | Poitiers-Biard | 26.1°C 0.5°C cooler | 2.1°C about the same | 695 mm |
| Nouaillé-Maupertuis 9.5 km | Poitiers-Biard | 26.1°C 0.5°C cooler | 2.1°C about the same | 695 mm |
| Smarves 13 km | Poitiers-Biard | 26.1°C 0.5°C cooler | 2.1°C about the same | 695 mm |
| Valdivienne 13 km | Montmorillon | 26.3°C about the same | 2.6°C about the same | 782 mm |
| Saint-Julien-l'Ars 14 km | Poitiers-Biard | 26.1°C 0.5°C cooler | 2.1°C about the same | 695 mm |
| Mignaloux-Beauvoir 14 km | Poitiers-Biard | 26.1°C 0.5°C cooler | 2.1°C about the same | 695 mm |
Vernon weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the La Ferrière-Airoux station; sunshine at Poitiers-Biard.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.4°C | 2.4°C | 5.4°C | 72 mm | 70 |
| February | 9.8°C | 1.9°C | 5.8°C | 53 mm | 102 |
| March | 13.6°C | 3.8°C | 8.7°C | 58 mm | 158 |
| April | 16.5°C | 5.5°C | 11.0°C | 63 mm | 183 |
| May | 20.3°C | 9.0°C | 14.6°C | 60 mm | 213 |
| June | 24.1°C | 12.3°C | 18.2°C | 61 mm | 233 |
| July | 26.6°C | 13.8°C | 20.2°C | 48 mm | 251 |
| August | 26.7°C | 13.6°C | 20.1°C | 54 mm | 244 |
| September | 22.9°C | 10.5°C | 16.7°C | 58 mm | 200 |
| October | 17.9°C | 8.7°C | 13.3°C | 76 mm | 131 |
| November | 12.2°C | 5.0°C | 8.6°C | 81 mm | 87 |
| December | 8.9°C | 2.8°C | 5.8°C | 80 mm | 71 |
| Year | 17.3°C | 7.4°C | 12.4°C | 762 mm | 1,941 |
Where Vernon’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for La Ferrière-Airoux, 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, Poitiers-Biard, 22 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 Vienne.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Vernon’s climate
How warm does Vernon get in summer?
August is the warmest month, with average highs of 26.7°C. About 67 days a year reach 25°C, more than 57% of mainland French towns, and about 20 reach 30°C.
How cold does Vernon get in winter?
February nights average 1.9°C. The air drops to 0°C or below on about 43 nights a year, and about 3 days a year stay below freezing all day.
How much rain does Vernon get?
About 762 mm a year, more than 52% of mainland French towns. November is the wettest month (81 mm) and July the driest (48 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Poitiers-Biard (22 km away), averages 1,941 hours of sunshine a year.
Are these figures for Vernon itself?
No: they are the normals of the Météo-France station matched to Vernon, La Ferrière-Airoux, 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 LA FERRIERE AIROUX_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Vernon →
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.