Ice on the ground: Mérigon sees more frosts than 91% of mainland French towns
In July the day’s top temperature is typically 26.4°C. Its yearly rainfall tops that of 87% of mainland French towns. Winter and summer sit 27°C apart. Central heating does most of its work from November to March, in months below 10°C on average.
These are the figures of Météo-France’s Cérizols station, 12 km west.
A year in Mérigon at a glance
Each month’s typical high and low in °C, at the Cérizols station.
What a year in Mérigon feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Cérizols.
About 976 mm of rain a year
April is the wettest month and August the driest. About 32 days a year bring 10 mm or more. 4th wettest of 11 towns of 2,500+ in Ariège.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Saint-Girons
A frosty town: 70 frosts and 75 days of 25°C a year
On about 70 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 75 days a year reach 25°C, and 23 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Cérizols: 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 Cérizols
Cérizols is 12 km west of Mérigon. Every figure on this page is the station’s, not a measurement in Mérigon itself.
| Station (Météo-France number) | Cérizols (09094001) |
| Distance from the town | 12 km west |
| Station altitude | 374 m |
| Town altitude (its center) | 327 m |
| Period | 1991–2020 |
| Sunshine measured at | Saint-Girons, 12 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 Mérigon 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 Ariège.
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 |
|---|---|---|---|---|
| Mérigon | Cérizols | 26.4°C | −0.3°C | 976 mm |
| Montesquieu-Volvestre 13 km | Saint-Ybars | 27.1°C 0.7°C warmer | 2.7°C 3°C milder | 797 mm |
| Saint-Girons 13 km | Saint-Girons | 25.5°C 0.9°C cooler | 0.5°C 0.8°C milder | 973 mm |
| Cazères 16 km | same station | 26.4°C about the same | −0.3°C about the same | 976 mm |
| Rieux-Volvestre 18 km | Muret-Lherm | 28.0°C 1.6°C warmer | 2.0°C 2.3°C milder | 620 mm |
| Carbonne 23 km | Muret-Lherm | 28.0°C 1.6°C warmer | 2.0°C 2.3°C milder | 620 mm |
Mérigon weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Cérizols station; sunshine at Saint-Girons.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.2°C | −0.3°C | 5.0°C | 83 mm | 116 |
| February | 11.3°C | 0.1°C | 5.7°C | 70 mm | 129 |
| March | 14.6°C | 2.3°C | 8.5°C | 73 mm | 169 |
| April | 16.9°C | 4.8°C | 10.9°C | 108 mm | 171 |
| May | 20.3°C | 8.6°C | 14.5°C | 106 mm | 183 |
| June | 24.0°C | 12.1°C | 18.1°C | 84 mm | 193 |
| July | 26.4°C | 14.1°C | 20.3°C | 68 mm | 211 |
| August | 26.9°C | 14.0°C | 20.4°C | 65 mm | 209 |
| September | 23.6°C | 10.5°C | 17.1°C | 66 mm | 193 |
| October | 19.4°C | 7.4°C | 13.4°C | 76 mm | 157 |
| November | 13.6°C | 3.0°C | 8.3°C | 101 mm | 119 |
| December | 11.0°C | 0.3°C | 5.7°C | 79 mm | 113 |
| Year | 18.2°C | 6.4°C | 12.3°C | 976 mm | 1,964 |
Where Mérigon’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Cérizols, 12 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, Saint-Girons, 12 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 Ariège.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Mérigon’s climate
How warm does Mérigon get in summer?
August is the warmest month, with average highs of 26.9°C. About 75 days a year reach 25°C, more than 67% of mainland French towns, and about 23 reach 30°C.
How cold does Mérigon get in winter?
January nights average −0.3°C. The air drops to 0°C or below on about 70 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Mérigon get?
About 976 mm a year, more than 87% of mainland French towns. April is the wettest month (108 mm) and August the driest (65 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Girons (12 km away), averages 1,964 hours of sunshine a year.
Are these figures for Mérigon itself?
No: they are the normals of the Météo-France station matched to Mérigon, Cérizols, 12 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 CERIZOLS, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Mérigon →
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.