The climate in Prunay-Cassereau sits close to the middle of mainland French towns
A typical July afternoon reaches 26.0°C, a January night drops to 1.6°C, and 769 mm of rain falls in a year. Only 25°C separates winter nights from summer afternoons. Frosty nights outnumber those of 69% of mainland French towns. Frost greets about 49 mornings a year, so leave time to clear the car.
Figures from Météo-France’s Saint-Laurent-en-G station, 17 km south-west.
A year in Prunay-Cassereau at a glance
Each month’s typical high and low in °C, at the Saint-Laurent-en-G station.
What a year in Prunay-Cassereau feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Laurent-en-G.
About 769 mm of rain a year
December is the wettest month and August the driest. About 23 days a year bring 10 mm or more. The wettest of 26 towns of 2,500+ in Loir-et-Cher.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Blois
49 frosts and 57 days of 25°C a year
On about 49 nights a year the air drops to 0°C or below, and on about 5 days it stays below freezing all day. About 57 days a year reach 25°C, and 16 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Laurent-en-G: 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 Saint-Laurent-en-G
Saint-Laurent-en-G is 17 km south-west of Prunay-Cassereau. Every figure on this page is the station’s, not a measurement in Prunay-Cassereau itself.
| Station (Météo-France number) | Saint-Laurent-en-G (37224001) |
| Distance from the town | 17 km south-west |
| Station altitude | 155 m |
| Town altitude (its center) | 140 m |
| Period | 1991–2020 |
| Nearest station of any kind | 11 km |
| 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 Prunay-Cassereau 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 |
|---|---|---|---|---|
| Prunay-Cassereau | Saint-Laurent-en-G | 26.0°C | 1.6°C | 769 mm |
| Montoire-sur-le-Loir 8.2 km | same station | 26.0°C about the same | 1.6°C about the same | 769 mm |
| Château-Renault 11 km | same station | 26.0°C about the same | 1.6°C about the same | 769 mm |
| Vendôme 16 km | Blois | 26.2°C about the same | 1.8°C about the same | 641 mm |
| Saint-Ouen 18 km | Blois | 26.2°C about the same | 1.8°C about the same | 641 mm |
| Monnaie 24 km | Tours | 25.9°C about the same | 2.5°C 0.9°C milder | 678 mm |
| Saint-Calais 28 km | Cormes | 25.8°C about the same | 1.7°C about the same | 759 mm |
Prunay-Cassereau weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Laurent-en-G station; sunshine at Blois.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 7.3°C | 1.6°C | 4.5°C | 76 mm | 63 |
| February | 8.6°C | 1.4°C | 5.0°C | 61 mm | 93 |
| March | 12.6°C | 3.3°C | 7.9°C | 57 mm | 148 |
| April | 15.9°C | 4.8°C | 10.4°C | 61 mm | 187 |
| May | 19.5°C | 8.3°C | 13.9°C | 63 mm | 211 |
| June | 23.5°C | 11.4°C | 17.4°C | 53 mm | 210 |
| July | 26.0°C | 13.3°C | 19.7°C | 53 mm | 231 |
| August | 26.0°C | 13.3°C | 19.6°C | 52 mm | 228 |
| September | 21.9°C | 10.2°C | 16.1°C | 56 mm | 187 |
| October | 16.6°C | 8.0°C | 12.3°C | 73 mm | 122 |
| November | 11.0°C | 4.5°C | 7.8°C | 80 mm | 75 |
| December | 7.8°C | 2.1°C | 5.0°C | 86 mm | 59 |
| Year | 16.4°C | 6.8°C | 11.6°C | 769 mm | 1,813 |
Where Prunay-Cassereau’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Laurent-en-G, 17 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 Prunay-Cassereau’s climate
How warm does Prunay-Cassereau get in summer?
July is the warmest month, with average highs of 26.0°C. About 57 days a year reach 25°C, fewer than 57% of mainland French towns, and about 16 reach 30°C.
How cold does Prunay-Cassereau get in winter?
February nights average 1.4°C. The air drops to 0°C or below on about 49 nights a year, and about 5 days a year stay below freezing all day.
How much rain does Prunay-Cassereau get?
About 769 mm a year, more than 53% of mainland French towns. December is the wettest month (86 mm) and August the driest (52 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 Prunay-Cassereau itself?
No: they are the normals of the Météo-France station matched to Prunay-Cassereau, Saint-Laurent-en-G, 17 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 ST-LAURENT-EN-G, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Prunay-Cassereau →
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.