Ice on the ground: Onlay sees more frosts than 94% of mainland French towns
Expect July afternoons of about 25.9°C. By rainfall alone, it ranks wetter than 71% of mainland French towns. The rainiest month is December; the driest is March. Picnics, hikes and garden evenings come into their own from June to September, with highs of 21–26°C.
These are the figures of Météo-France’s Autun station, 28 km east; at that distance they describe the area more than the town.
A year in Onlay at a glance
Each month’s typical high and low in °C, at the Autun station.
What a year in Onlay feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Autun.
About 857 mm of rain a year
December is the wettest month and March the driest. About 27 days a year bring 10 mm or more. 3rd wettest of 13 towns of 2,500+ in Nièvre.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Autun
A frosty town: 77 frosts and 58 days of 25°C a year
On about 77 nights a year the air drops to 0°C or below, and on about 7 days it stays below freezing all day. About 58 days a year reach 25°C, and 16 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Autun: 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 Autun
Autun is 28 km east of Onlay. Every figure on this page is the station’s, not a measurement in Onlay itself.
| Station (Météo-France number) | Autun (71014004) |
| Distance from the town | 28 km east |
| Station altitude | 303 m |
| Town altitude (its center) | 310 m |
| Period | 1991–2020 |
| Nearest station of any kind | 12 km |
| Sunshine measured at | the same station |
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 Onlay 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 Nièvre.
Onlay weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Autun station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 6.1°C | −0.3°C | 2.9°C | 81 mm | 67 |
| February | 7.8°C | −0.5°C | 3.7°C | 61 mm | 103 |
| March | 12.3°C | 1.4°C | 6.9°C | 60 mm | 162 |
| April | 15.8°C | 3.5°C | 9.7°C | 64 mm | 197 |
| May | 19.7°C | 7.5°C | 13.6°C | 75 mm | 209 |
| June | 23.5°C | 10.9°C | 17.2°C | 66 mm | 245 |
| July | 25.9°C | 12.6°C | 19.2°C | 60 mm | 262 |
| August | 25.8°C | 12.2°C | 19.0°C | 61 mm | 228 |
| September | 21.3°C | 8.6°C | 15.0°C | 63 mm | 192 |
| October | 16.3°C | 6.3°C | 11.3°C | 80 mm | 124 |
| November | 10.2°C | 2.7°C | 6.4°C | 91 mm | 72 |
| December | 6.6°C | 0.3°C | 3.5°C | 95 mm | 59 |
| Year | 15.9°C | 5.4°C | 10.7°C | 857 mm | 1,918 |
Where Onlay’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Autun, 28 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, Autun, 28 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 Nièvre.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Onlay’s climate
How warm does Onlay get in summer?
July is the warmest month, with average highs of 25.9°C. About 58 days a year reach 25°C, fewer than 55% of mainland French towns, and about 16 reach 30°C.
How cold does Onlay get in winter?
February nights average −0.5°C. The air drops to 0°C or below on about 77 nights a year, and about 7 days a year stay below freezing all day.
How much rain does Onlay get?
About 857 mm a year, more than 71% of mainland French towns. December is the wettest month (95 mm) and March the driest (60 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Autun (28 km away), averages 1,918 hours of sunshine a year.
Are these figures for Onlay itself?
No: they are the normals of the Météo-France station matched to Onlay, Autun, 28 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 AUTUN, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Onlay →
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.