Firmi gets more frosts than 92% of mainland French towns
Midsummer highs settle at about 29.0°C. Temperatures cover 29°C across the year, low to high. It is a wet place: more rain falls here than on 89% of mainland French towns. If you like long walks, May, June and September offer highs of 23–26°C.
These are the figures of Météo-France’s Saint-Constant station, 17 km north.
A year in Firmi at a glance
Each month’s typical high and low in °C, at the Saint-Constant station.
What a year in Firmi feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Constant.
About 1,058 mm of rain a year
November is the wettest month and July the driest. About 38 days a year bring 10 mm or more. 2nd wettest of 16 towns of 2,500+ in Aveyron.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Rodez-Aveyron
A frosty town: 72 frosts and 102 days of 25°C a year
On about 72 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 102 days a year reach 25°C, and 47 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Saint-Constant: 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 Saint-Constant
Saint-Constant is 17 km north of Firmi. Every figure on this page is the station’s, not a measurement in Firmi itself.
| Station (Météo-France number) | Saint-Constant (15181001) |
| Distance from the town | 17 km north |
| Station altitude | 260 m |
| Town altitude (its center) | 235 m |
| Period | 1991–2020 |
| Sunshine measured at | Rodez-Aveyron, 20 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 Firmi 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 Aveyron.
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 |
|---|---|---|---|---|
| Firmi | Saint-Constant | 29.0°C | 0.3°C | 1,058 mm |
| Aubin 4.4 km | same station | 29.0°C about the same | 0.3°C about the same | 1,058 mm |
| Decazeville 5.3 km | same station | 29.0°C about the same | 0.3°C about the same | 1,058 mm |
| Capdenac-Gare 19 km | same station | 29.0°C about the same | 0.3°C about the same | 1,058 mm |
| Figeac 24 km | same station | 29.0°C about the same | 0.3°C about the same | 1,058 mm |
| Druelle Balsac 24 km | Rodez-Aveyron | 25.7°C 3.3°C cooler | −0.2°C 0.5°C colder | 869 mm |
| Sébazac-Concourès 27 km | Rodez-Aveyron | 25.7°C 3.3°C cooler | −0.2°C 0.5°C colder | 869 mm |
Firmi weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Constant station; sunshine at Rodez-Aveyron.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.5°C | 0.3°C | 4.9°C | 94 mm | 85 |
| February | 11.6°C | −0.2°C | 5.7°C | 77 mm | 125 |
| March | 15.6°C | 2.2°C | 8.9°C | 78 mm | 172 |
| April | 18.6°C | 4.4°C | 11.5°C | 101 mm | 193 |
| May | 22.5°C | 8.1°C | 15.3°C | 104 mm | 219 |
| June | 26.4°C | 11.6°C | 19.0°C | 75 mm | 256 |
| July | 29.0°C | 13.1°C | 21.1°C | 59 mm | 282 |
| August | 29.1°C | 12.9°C | 21.0°C | 76 mm | 274 |
| September | 24.6°C | 9.6°C | 17.1°C | 90 mm | 218 |
| October | 19.7°C | 7.5°C | 13.6°C | 89 mm | 165 |
| November | 13.3°C | 3.5°C | 8.4°C | 110 mm | 104 |
| December | 10.0°C | 1.1°C | 5.5°C | 106 mm | 102 |
| Year | 19.2°C | 6.2°C | 12.7°C | 1,058 mm | 2,193 |
Where Firmi’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Constant, 17 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, Rodez-Aveyron, 20 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 Aveyron.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Firmi’s climate
How warm does Firmi get in summer?
August is the warmest month, with average highs of 29.1°C. About 102 days a year reach 25°C, more than 89% of mainland French towns, and about 47 reach 30°C.
How cold does Firmi get in winter?
February nights average −0.2°C. The air drops to 0°C or below on about 72 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Firmi get?
About 1,058 mm a year, more than 89% of mainland French towns. November is the wettest month (110 mm) and July the driest (59 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Rodez-Aveyron (20 km away), averages 2,193 hours of sunshine a year.
Are these figures for Firmi itself?
No: they are the normals of the Météo-France station matched to Firmi, Saint-Constant, 17 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 ST CONSTANT, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Firmi →
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.