Hardly any mainland French towns wake to more frost than Olloix
In July the day’s top temperature is typically 23.6°C. Summers stay cool: July afternoons here are cooler than in 89% of mainland French towns. November is the wettest month, March the driest. Wet days, with 1 mm of rain or more, come about 136 times a year.
These are the figures of Météo-France’s Gelles station, 25 km north-west.
A year in Olloix at a glance
Each month’s typical high and low in °C, at the Gelles station.
What a year in Olloix feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Gelles.
About 1,026 mm of rain a year
November is the wettest month and March the driest. About 32 days a year bring 10 mm or more. The wettest of 44 towns of 2,500+ in Puy-de-Dôme.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Issoire
A frosty town: 84 frosts and 44 days of 25°C a year
On about 84 nights a year the air drops to 0°C or below, and on about 12 days it stays below freezing all day. About 44 days a year reach 25°C, and 9 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Gelles: 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 Gelles
Gelles is 25 km north-west of Olloix. Every figure on this page is the station’s, not a measurement in Olloix itself.
| Station (Météo-France number) | Gelles (63163001) |
| Distance from the town | 25 km north-west |
| Station altitude | 784 m |
| Town altitude (its center) | 795 m |
| Period | 1991–2020 |
| Nearest station of any kind | 6.4 km |
| Sunshine measured at | Issoire, 19 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 Olloix 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 Puy-de-Dôme.
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 |
|---|---|---|---|---|
| Olloix | Gelles | 23.6°C | −1.2°C | 1,026 mm |
| Aydat 6.9 km | same station | 23.6°C about the same | −1.2°C about the same | 1,026 mm |
| Veyre-Monton 11 km | Plauzat | 25.9°C 2.3°C warmer | 0.2°C 1.4°C milder | 607 mm |
| La Roche-Blanche 12 km | Plauzat | 25.9°C 2.3°C warmer | 0.2°C 1.4°C milder | 607 mm |
| Saint-Genès-Champanelle 12 km | Fontaine-du-Ber | 21.5°C 2.1°C cooler | −2.1°C 0.9°C colder | 1,024 mm |
| Romagnat 13 km | Plauzat | 25.9°C 2.3°C warmer | 0.2°C 1.4°C milder | 607 mm |
| Les Martres-de-Veyre 13 km | Clermont-Fd | 26.8°C 3.2°C warmer | 0.6°C 1.8°C milder | 563 mm |
Olloix weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Gelles station; sunshine at Issoire.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 5.8°C | −1.2°C | 2.3°C | 84 mm | 83 |
| February | 6.7°C | −1.5°C | 2.6°C | 76 mm | 102 |
| March | 10.5°C | 0.8°C | 5.6°C | 72 mm | 153 |
| April | 13.2°C | 2.9°C | 8.0°C | 86 mm | 173 |
| May | 17.5°C | 6.4°C | 11.9°C | 89 mm | 201 |
| June | 21.3°C | 9.9°C | 15.6°C | 93 mm | 241 |
| July | 23.6°C | 11.6°C | 17.6°C | 87 mm | 255 |
| August | 23.7°C | 11.4°C | 17.5°C | 81 mm | 234 |
| September | 19.5°C | 8.1°C | 13.8°C | 83 mm | 173 |
| October | 15.2°C | 5.7°C | 10.5°C | 82 mm | 124 |
| November | 9.5°C | 1.9°C | 5.7°C | 99 mm | 83 |
| December | 6.5°C | −0.5°C | 3.0°C | 94 mm | 78 |
| Year | 14.4°C | 4.6°C | 9.5°C | 1,026 mm | 1,899 |
Where Olloix’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Gelles, 25 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, Issoire, 19 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 Puy-de-Dôme.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Olloix’s climate
How warm does Olloix get in summer?
August is the warmest month, with average highs of 23.7°C. About 44 days a year reach 25°C, fewer than 77% of mainland French towns, and about 9 reach 30°C.
How cold does Olloix get in winter?
February nights average −1.5°C. The air drops to 0°C or below on about 84 nights a year, and about 12 days a year stay below freezing all day.
How much rain does Olloix get?
About 1,026 mm a year, more than 88% of mainland French towns. November is the wettest month (99 mm) and March the driest (72 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Issoire (19 km away), averages 1,899 hours of sunshine a year.
Are these figures for Olloix itself?
No: they are the normals of the Météo-France station matched to Olloix, Gelles, 25 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 GELLES, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Olloix →
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.