Afternoon heat in Bio beats that of 74% of mainland French towns
Deep winter brings January lows near 2.0°C. Expect the heaviest rain in April and the lightest in February. Its yearly rainfall tops that of 66% of mainland French towns. An umbrella earns its place on about 117 days a year with 1 mm of rain or more.
Figures from Météo-France’s Gourdon station, 31 km west: at that distance, read them as the area’s climate rather than the town’s.
A year in Bio at a glance
Each month’s typical high and low in °C, at the Gourdon station.
What a year in Bio feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Gourdon.
About 823 mm of rain a year
April is the wettest month and February the driest. About 25 days a year bring 10 mm or more. 4th wettest of 8 towns of 2,500+ in Lot.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Gourdon
42 frosts and 83 days of 25°C a year
On about 42 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 83 days a year reach 25°C, and 30 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Gourdon: 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 Gourdon
Gourdon is 31 km west of Bio. Every figure on this page is the station’s, not a measurement in Bio itself.
| Station (Météo-France number) | Gourdon (46127001) |
| Distance from the town | 31 km west |
| Station altitude | 260 m |
| Town altitude (its center) | 332 m |
| Period | 1991–2020 |
| Nearest station of any kind | 14 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 Bio 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 Lot.
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 |
|---|---|---|---|---|
| Bio | Gourdon | 27.6°C | 2.0°C | 823 mm |
| Gramat 4.8 km | same station | 27.6°C about the same | 2.0°C about the same | 823 mm |
| Saint-Céré 12 km | Argentat | 28.4°C 0.8°C warmer | 0.4°C 1.6°C colder | 1,146 mm |
| Figeac 27 km | Saint-Constant | 29.0°C 1.4°C warmer | 0.3°C 1.7°C colder | 1,058 mm |
| Souillac 28 km | Brive | 27.9°C about the same | 1.3°C 0.7°C colder | 904 mm |
Bio weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Gourdon station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.0°C | 2.0°C | 5.5°C | 65 mm | 92 |
| February | 10.8°C | 1.7°C | 6.2°C | 51 mm | 120 |
| March | 14.8°C | 4.2°C | 9.5°C | 61 mm | 170 |
| April | 17.7°C | 6.4°C | 12.0°C | 83 mm | 181 |
| May | 21.5°C | 9.6°C | 15.6°C | 82 mm | 214 |
| June | 25.2°C | 12.8°C | 19.0°C | 76 mm | 242 |
| July | 27.6°C | 14.5°C | 21.0°C | 55 mm | 265 |
| August | 27.8°C | 14.5°C | 21.2°C | 63 mm | 252 |
| September | 23.7°C | 11.4°C | 17.6°C | 74 mm | 209 |
| October | 18.9°C | 9.3°C | 14.1°C | 71 mm | 149 |
| November | 12.6°C | 5.0°C | 8.8°C | 76 mm | 95 |
| December | 9.5°C | 2.6°C | 6.1°C | 67 mm | 90 |
| Year | 18.3°C | 7.8°C | 13.1°C | 823 mm | 2,076 |
Where Bio’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Gourdon, 31 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, Gourdon, 31 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 Lot.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Bio’s climate
How warm does Bio get in summer?
August is the warmest month, with average highs of 27.8°C. About 83 days a year reach 25°C, more than 74% of mainland French towns, and about 30 reach 30°C.
How cold does Bio get in winter?
February nights average 1.7°C. The air drops to 0°C or below on about 42 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Bio get?
About 823 mm a year, more than 66% of mainland French towns. April is the wettest month (83 mm) and February the driest (51 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Gourdon (31 km away), averages 2,076 hours of sunshine a year.
Are these figures for Bio itself?
No: they are the normals of the Météo-France station matched to Bio, Gourdon, 31 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 GOURDON, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Bio →
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.