Frost comes to Bléneau more often than to 79% of mainland French towns
Midsummer highs settle at about 25.8°C. Rain is spread evenly through the year: the wettest month, October, gets little more than the driest, February. Days of 25°C are scarce: about 55 a year, fewer than in 61% of mainland French towns. Plan for rain on about 124 days a year, the days with 1 mm or more.
These are the figures of Météo-France’s Grandchamp station, 20 km north-east.
A year in Bléneau at a glance
Each month’s typical high and low in °C, at the Grandchamp station.
What a year in Bléneau feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Grandchamp.
About 759 mm of rain a year
October is the wettest month and February the driest. About 20 days a year bring 10 mm or more. 4th wettest of 19 towns of 2,500+ in Yonne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Avord
A frosty town: 59 frosts and 55 days of 25°C a year
On about 59 nights a year the air drops to 0°C or below, and on about 6 days it stays below freezing all day. About 55 days a year reach 25°C, and 16 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Grandchamp: 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 Grandchamp
Grandchamp is 20 km north-east of Bléneau. Every figure on this page is the station’s, not a measurement in Bléneau itself.
| Station (Météo-France number) | Grandchamp (89192001) |
| Distance from the town | 20 km north-east |
| Station altitude | 180 m |
| Town altitude (its center) | 166 m |
| Period | 1991–2020 |
| Nearest station of any kind | 5.5 km |
| Sunshine measured at | Avord, 76 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 Bléneau 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 Yonne.
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 |
|---|---|---|---|---|
| Bléneau | Grandchamp | 25.8°C | 1.2°C | 759 mm |
| Briare 17 km | Nogent-sur-V. | 26.2°C about the same | 1.2°C about the same | 739 mm |
| Châtillon-sur-Loire 20 km | Vailly | 27.1°C 1.3°C warmer | 0.4°C 0.8°C colder | 793 mm |
| Nogent-sur-Vernisson 22 km | Nogent-sur-V. | 26.2°C about the same | 1.2°C about the same | 739 mm |
| Gien 24 km | Nogent-sur-V. | 26.2°C about the same | 1.2°C about the same | 739 mm |
| Charny Orée de Puisaye 24 km | same station | 25.8°C about the same | 1.2°C about the same | 759 mm |
| Toucy 26 km | same station | 25.8°C about the same | 1.2°C about the same | 759 mm |
Bléneau weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Grandchamp station; sunshine at Avord.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.7°C | 1.2°C | 3.9°C | 64 mm | 65 |
| February | 8.1°C | 0.8°C | 4.5°C | 55 mm | 88 |
| March | 12.3°C | 2.6°C | 7.5°C | 56 mm | 150 |
| April | 15.8°C | 4.5°C | 10.1°C | 61 mm | 178 |
| May | 19.6°C | 8.1°C | 13.8°C | 69 mm | 208 |
| June | 23.2°C | 11.5°C | 17.4°C | 59 mm | 225 |
| July | 25.8°C | 13.3°C | 19.6°C | 57 mm | 238 |
| August | 25.7°C | 13.1°C | 19.4°C | 60 mm | 231 |
| September | 21.3°C | 10.0°C | 15.7°C | 60 mm | 185 |
| October | 16.3°C | 7.8°C | 12.1°C | 75 mm | 123 |
| November | 10.6°C | 4.2°C | 7.4°C | 72 mm | 73 |
| December | 7.4°C | 1.8°C | 4.6°C | 72 mm | 61 |
| Year | 16.1°C | 6.6°C | 11.3°C | 759 mm | 1,824 |
Where Bléneau’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Grandchamp, 20 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, Avord, 76 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 Yonne.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Bléneau’s climate
How warm does Bléneau get in summer?
July is the warmest month, with average highs of 25.8°C. About 55 days a year reach 25°C, fewer than 61% of mainland French towns, and about 16 reach 30°C.
How cold does Bléneau get in winter?
February nights average 0.8°C. The air drops to 0°C or below on about 59 nights a year, and about 6 days a year stay below freezing all day.
How much rain does Bléneau get?
About 759 mm a year, more than 51% of mainland French towns. October is the wettest month (75 mm) and February the driest (55 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Avord (76 km away), averages 1,824 hours of sunshine a year.
Are these figures for Bléneau itself?
No: they are the normals of the Météo-France station matched to Bléneau, Grandchamp, 20 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 GRANDCHAMP_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Bléneau →
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.