Frost comes to Cellettes more often than to 79% of mainland French towns
Peak summer warmth arrives in July, with afternoons near 26.2°C. Wet weather is most frequent in December and least in August. Its yearly rainfall falls short of 77% of mainland French towns. Keep the boiler serviced for the months from November to March, which average under 10°C.
Figures from Météo-France’s Cheverny station, 4.3 km south-east.
A year in Cellettes at a glance
Each month’s typical high and low in °C, at the Cheverny station.
What a year in Cellettes feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Cheverny.
About 676 mm of rain a year
December is the wettest month and August the driest. About 19 days a year bring 10 mm or more. 9th wettest of 26 towns of 2,500+ in Loir-et-Cher.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Blois
A frosty town: 59 frosts and 67 days of 25°C a year
On about 59 nights a year the air drops to 0°C or below, and on about 4 days it stays below freezing all day. About 67 days a year reach 25°C, and 18 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Cheverny: 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 Cheverny
Cheverny is 4.3 km south-east of Cellettes. Every figure on this page is the station’s, not a measurement in Cellettes itself.
| Station (Météo-France number) | Cheverny (41050002) |
| Distance from the town | 4.3 km south-east |
| Station altitude | 99 m |
| Town altitude (its center) | 75 m |
| Period | 1991–2020 |
| Sunshine measured at | Blois, 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 Cellettes 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 Loir-et-Cher.
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 |
|---|---|---|---|---|
| Cellettes | Cheverny | 26.2°C | 1.6°C | 676 mm |
| Saint-Gervais-la-Forêt 5.2 km | same station | 26.2°C about the same | 1.6°C about the same | 676 mm |
| Cour-Cheverny 5.7 km | same station | 26.2°C about the same | 1.6°C about the same | 676 mm |
| Chailles 5.8 km | same station | 26.2°C about the same | 1.6°C about the same | 676 mm |
| Mont-près-Chambord 6.3 km | same station | 26.2°C about the same | 1.6°C about the same | 676 mm |
| Vineuil 6.8 km | same station | 26.2°C about the same | 1.6°C about the same | 676 mm |
| Blois 8.8 km | same station | 26.2°C about the same | 1.6°C about the same | 676 mm |
Cellettes weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Cheverny station; sunshine at Blois.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 8.0°C | 1.6°C | 4.8°C | 58 mm | 63 |
| February | 9.2°C | 1.1°C | 5.2°C | 49 mm | 93 |
| March | 13.4°C | 3.0°C | 8.2°C | 48 mm | 148 |
| April | 16.6°C | 4.8°C | 10.7°C | 50 mm | 187 |
| May | 20.2°C | 8.5°C | 14.4°C | 63 mm | 211 |
| June | 23.8°C | 11.8°C | 17.8°C | 52 mm | 210 |
| July | 26.2°C | 13.4°C | 19.8°C | 53 mm | 231 |
| August | 26.2°C | 12.8°C | 19.5°C | 46 mm | 228 |
| September | 22.2°C | 9.6°C | 15.9°C | 50 mm | 187 |
| October | 17.3°C | 7.6°C | 12.4°C | 70 mm | 122 |
| November | 11.6°C | 4.1°C | 7.9°C | 68 mm | 75 |
| December | 8.4°C | 2.0°C | 5.2°C | 71 mm | 59 |
| Year | 16.9°C | 6.7°C | 11.8°C | 676 mm | 1,813 |
Where Cellettes’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Cheverny, 4.3 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, Blois, 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 Loir-et-Cher.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Cellettes’s climate
How warm does Cellettes get in summer?
July is the warmest month, with average highs of 26.2°C. About 67 days a year reach 25°C, more than 58% of mainland French towns, and about 18 reach 30°C.
How cold does Cellettes get in winter?
February nights average 1.1°C. The air drops to 0°C or below on about 59 nights a year, and about 4 days a year stay below freezing all day.
How much rain does Cellettes get?
About 676 mm a year, less than 77% of mainland French towns. December is the wettest month (71 mm) and August the driest (46 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Blois (22 km away), averages 1,813 hours of sunshine a year.
Are these figures for Cellettes itself?
No: they are the normals of the Météo-France station matched to Cellettes, Cheverny, 4.3 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 CHEVERNY, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Cellettes →
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.