Rainfall in Deux-Grosnes tops that of 93% of mainland French towns: 1,146 mm a year
On a normal July day the thermometer tops out near 25.2°C. About 74 nights a year bring a frost, more than in 93% of mainland French towns. No month is much wetter than another: November, the wettest, gets little more than March, the driest. Windscreens need scraping on about 74 mornings a year, the nights the air drops below 0°C.
These are the figures of Météo-France’s Monsols station, 2.9 km south-west.
A year in Deux-Grosnes at a glance
Each month’s typical high and low in °C, at the Monsols station.
What a year in Deux-Grosnes feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Monsols.
About 1,146 mm of rain a year
November is the wettest month and March the driest. About 38 days a year bring 10 mm or more. The wettest of 118 towns of 2,500+ in Rhône.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Mâcon
A frosty town: 74 frosts and 53 days of 25°C a year
On about 74 nights a year the air drops to 0°C or below, and on about 12 days it stays below freezing all day. About 53 days a year reach 25°C, and 15 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Monsols: 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 Monsols
Monsols is 2.9 km south-west of Deux-Grosnes. Every figure on this page is the station’s, not a measurement in Deux-Grosnes itself.
| Station (Météo-France number) | Monsols (69135001) |
| Distance from the town | 2.9 km south-west |
| Station altitude | 525 m |
| Town altitude (its center) | 553 m |
| Period | 1991–2020 |
| Sunshine measured at | Mâcon, 20 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 Deux-Grosnes 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 Rhône.
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 |
|---|---|---|---|---|
| Deux-Grosnes | Monsols | 25.2°C | −0.7°C | 1,146 mm |
| La Chapelle-de-Guinchay 16 km | Mâcon | 27.1°C 1.9°C warmer | 0.7°C 1.4°C milder | 834 mm |
| Chauffailles 17 km | Briant | 26.0°C 0.8°C warmer | 0.6°C 1.3°C milder | 931 mm |
| Crêches-sur-Saône 18 km | Mâcon | 27.1°C 1.9°C warmer | 0.7°C 1.4°C milder | 834 mm |
| Belleville-en-Beaujolais 19 km | Villefranche | 28.8°C 3.6°C warmer | 0.9°C 1.6°C milder | 791 mm |
| Charnay-lès-Mâcon 21 km | Mâcon | 27.1°C 1.9°C warmer | 0.7°C 1.4°C milder | 834 mm |
| Saint-Didier-sur-Chalaronne 21 km | Baneins | 28.2°C 3°C warmer | 1.3°C 2°C milder | 880 mm |
Deux-Grosnes weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Monsols station; sunshine at Mâcon.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.7°C | −0.7°C | 2.5°C | 101 mm | 62 |
| February | 7.1°C | −0.7°C | 3.2°C | 84 mm | 96 |
| March | 11.2°C | 1.9°C | 6.6°C | 83 mm | 164 |
| April | 14.9°C | 4.2°C | 9.5°C | 91 mm | 192 |
| May | 19.0°C | 8.2°C | 13.6°C | 101 mm | 217 |
| June | 22.8°C | 11.7°C | 17.3°C | 86 mm | 249 |
| July | 25.2°C | 13.5°C | 19.3°C | 88 mm | 275 |
| August | 25.3°C | 13.4°C | 19.4°C | 83 mm | 251 |
| September | 20.3°C | 9.9°C | 15.1°C | 83 mm | 195 |
| October | 15.4°C | 7.1°C | 11.2°C | 108 mm | 120 |
| November | 9.7°C | 2.9°C | 6.3°C | 124 mm | 71 |
| December | 6.4°C | 0.2°C | 3.3°C | 115 mm | 52 |
| Year | 15.2°C | 6.0°C | 10.6°C | 1,146 mm | 1,943 |
Where Deux-Grosnes’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Monsols, 2.9 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, Mâcon, 20 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 Rhône.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Deux-Grosnes’s climate
How warm does Deux-Grosnes get in summer?
August is the warmest month, with average highs of 25.3°C. About 53 days a year reach 25°C, fewer than 65% of mainland French towns, and about 15 reach 30°C.
How cold does Deux-Grosnes get in winter?
January nights average −0.7°C. The air drops to 0°C or below on about 74 nights a year, and about 12 days a year stay below freezing all day.
How much rain does Deux-Grosnes get?
About 1,146 mm a year, more than 93% of mainland French towns. November is the wettest month (124 mm) and March the driest (83 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Mâcon (20 km away), averages 1,943 hours of sunshine a year.
Are these figures for Deux-Grosnes itself?
No: they are the normals of the Météo-France station matched to Deux-Grosnes, Monsols, 2.9 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 MONSOLS, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Deux-Grosnes →
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.