Frost comes to Duerne more often than to 88% of mainland French towns
Sunny July days climb to about 24.0°C. Of all months, May brings the most rain and February the least. Its July afternoons stay fresher than in 83% of mainland French towns. Waterproofs come out on about 112 days a year, each with 1 mm of rain or more.
Figures from Météo-France’s Grammond station, 15 km south-west.
A year in Duerne at a glance
Each month’s typical high and low in °C, at the Grammond station.
What a year in Duerne feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Grammond.
About 832 mm of rain a year
May is the wettest month and February the driest. About 24 days a year bring 10 mm or more. 13th wettest of 118 towns of 2,500+ in Rhône.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Saint-Étienne-Bouthéon
A frosty town: 66 frosts and 41 days of 25°C a year
On about 66 nights a year the air drops to 0°C or below, and on about 20 days it stays below freezing all day. About 41 days a year reach 25°C, and 8 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Grammond: 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 Grammond
Grammond is 15 km south-west of Duerne. Every figure on this page is the station’s, not a measurement in Duerne itself.
| Station (Météo-France number) | Grammond (42102002) |
| Distance from the town | 15 km south-west |
| Station altitude | 803 m |
| Town altitude (its center) | 786 m |
| Period | 1993–2020 (the station’s own record) |
| Nearest station of any kind | 6.6 km |
| Sunshine measured at | Saint-Étienne-Bouthéon, 24 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 Duerne 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 |
|---|---|---|---|---|
| Duerne | Grammond | 24.0°C | −0.3°C | 832 mm |
| Saint-Martin-en-Haut 3.7 km | Saint-Symphorien-C | 25.8°C 1.8°C warmer | −1.1°C 0.8°C colder | 861 mm |
| Saint-Symphorien-sur-Coise 7.9 km | Saint-Symphorien-C | 25.8°C 1.8°C warmer | −1.1°C 0.8°C colder | 861 mm |
| Thurins 9 km | Mornant | 28.1°C 4.1°C warmer | 0.0°C about the same | 759 mm |
| Chazelles-sur-Lyon 12 km | Chazelles-Lyon | 25.2°C 1.2°C warmer | −0.7°C about the same | 764 mm |
| Messimy 12 km | Mornant | 28.1°C 4.1°C warmer | 0.0°C about the same | 759 mm |
| Vaugneray 12 km | Mornant | 28.1°C 4.1°C warmer | 0.0°C about the same | 759 mm |
Duerne weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Grammond station; sunshine at Saint-Étienne-Bouthéon.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 4.7°C | −0.3°C | 2.2°C | 50 mm | 81 |
| February | 5.8°C | −0.3°C | 2.8°C | 41 mm | 109 |
| March | 9.9°C | 2.3°C | 6.1°C | 44 mm | 162 |
| April | 13.3°C | 4.8°C | 9.1°C | 65 mm | 186 |
| May | 17.4°C | 8.5°C | 12.9°C | 91 mm | 214 |
| June | 21.6°C | 12.1°C | 16.9°C | 80 mm | 241 |
| July | 24.0°C | 14.1°C | 19.0°C | 78 mm | 275 |
| August | 23.7°C | 14.1°C | 18.9°C | 81 mm | 259 |
| September | 19.0°C | 10.6°C | 14.8°C | 82 mm | 193 |
| October | 14.6°C | 7.9°C | 11.2°C | 82 mm | 135 |
| November | 8.4°C | 3.2°C | 5.8°C | 85 mm | 88 |
| December | 5.5°C | 0.7°C | 3.1°C | 52 mm | 76 |
| Year | 14.0°C | 6.5°C | 10.2°C | 832 mm | 2,018 |
Where Duerne’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Grammond, 15 km away: statistics for 1991–2020 (the station’s own years, 1993–2020, 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-Étienne-Bouthéon, 24 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 Duerne’s climate
How warm does Duerne get in summer?
July is the warmest month, with average highs of 24.0°C. About 41 days a year reach 25°C, fewer than 80% of mainland French towns, and about 8 reach 30°C.
How cold does Duerne get in winter?
January nights average −0.3°C. The air drops to 0°C or below on about 66 nights a year, and about 20 days a year stay below freezing all day.
How much rain does Duerne get?
About 832 mm a year, more than 68% of mainland French towns. May is the wettest month (91 mm) and February the driest (41 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Étienne-Bouthéon (24 km away), averages 2,018 hours of sunshine a year.
Are these figures for Duerne itself?
No: they are the normals of the Météo-France station matched to Duerne, Grammond, 15 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 GRAMMOND_SAPC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Duerne →
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.