Dyo is wetter than 82% of mainland French towns: 931 mm of rain a year
July afternoons average 26.0°C. The rainiest month is May; the driest is February. Winter nights are cold: in January they are colder than in 79% of mainland French towns. Radiators earn their keep from November to March, the months that average under 10°C.
These are the figures of Météo-France’s Briant station, 11 km south-west.
A year in Dyo at a glance
Each month’s typical high and low in °C, at the Briant station.
What a year in Dyo feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Briant.
About 931 mm of rain a year
May is the wettest month and February the driest. About 28 days a year bring 10 mm or more. 11th wettest of 32 towns of 2,500+ in Saône-et-Loire.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Saint-Yan
A frosty town: 55 frosts and 63 days of 25°C a year
On about 55 nights a year the air drops to 0°C or below, and on about 8 days it stays below freezing all day. About 63 days a year reach 25°C, and 20 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Briant: 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 Briant
Briant is 11 km south-west of Dyo. Every figure on this page is the station’s, not a measurement in Dyo itself.
| Station (Météo-France number) | Briant (71060001) |
| Distance from the town | 11 km south-west |
| Station altitude | 390 m |
| Town altitude (its center) | 374 m |
| Period | 1995–2020 (the station’s own record) |
| Sunshine measured at | Saint-Yan, 21 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 Dyo 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 Saône-et-Loire.
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 |
|---|---|---|---|---|
| Dyo | Briant | 26.0°C | 0.6°C | 931 mm |
| Charolles 8.2 km | Saint-Yan | 26.7°C 0.7°C warmer | 0.2°C about the same | 772 mm |
| Paray-le-Monial 16 km | Saint-Yan | 26.7°C 0.7°C warmer | 0.2°C about the same | 772 mm |
| Chauffailles 18 km | same station | 26.0°C about the same | 0.6°C about the same | 931 mm |
| Charlieu 24 km | Charlieu | 27.1°C 1.1°C warmer | −0.1°C 0.7°C colder | 769 mm |
| Digoin 26 km | Saint-Yan | 26.7°C 0.7°C warmer | 0.2°C about the same | 772 mm |
| Pouilly-sous-Charlieu 28 km | Charlieu | 27.1°C 1.1°C warmer | −0.1°C 0.7°C colder | 769 mm |
Dyo weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Briant station; sunshine at Saint-Yan.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.8°C | 0.6°C | 3.7°C | 68 mm | 65 |
| February | 8.0°C | 0.7°C | 4.3°C | 56 mm | 89 |
| March | 12.2°C | 3.1°C | 7.7°C | 59 mm | 147 |
| April | 16.0°C | 5.4°C | 10.7°C | 74 mm | 168 |
| May | 19.9°C | 9.2°C | 14.6°C | 97 mm | 198 |
| June | 24.1°C | 12.7°C | 18.4°C | 81 mm | 227 |
| July | 26.0°C | 14.4°C | 20.2°C | 82 mm | 248 |
| August | 26.2°C | 14.5°C | 20.3°C | 80 mm | 230 |
| September | 21.7°C | 11.0°C | 16.4°C | 79 mm | 167 |
| October | 16.8°C | 8.4°C | 12.6°C | 88 mm | 112 |
| November | 10.7°C | 3.9°C | 7.3°C | 95 mm | 66 |
| December | 7.3°C | 1.1°C | 4.2°C | 72 mm | 52 |
| Year | 16.3°C | 7.1°C | 11.7°C | 931 mm | 1,768 |
Where Dyo’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Briant, 11 km away: statistics for 1991–2020 (the station’s own years, 1995–2020, where its record is shorter).
- 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, Saint-Yan, 21 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 Saône-et-Loire.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Dyo’s climate
How warm does Dyo get in summer?
August is the warmest month, with average highs of 26.2°C. About 63 days a year reach 25°C, more than 54% of mainland French towns, and about 20 reach 30°C.
How cold does Dyo get in winter?
January nights average 0.6°C. The air drops to 0°C or below on about 55 nights a year, and about 8 days a year stay below freezing all day.
How much rain does Dyo get?
About 931 mm a year, more than 82% of mainland French towns. May is the wettest month (97 mm) and February the driest (56 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Yan (21 km away), averages 1,768 hours of sunshine a year.
Are these figures for Dyo itself?
No: they are the normals of the Météo-France station matched to Dyo, Briant, 11 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 BRIANT, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Dyo →
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.