Summer warmth: Saint-Mézard logs more 25-degree days than 82% of mainland French towns
January nights here settle around 2.5°C. It is a dry place: less rain falls here than on 66% of mainland French towns. From frosty January to warm July, readings climb 26°C. The heating season runs November to February: each of those months averages under 10°C.
Figures from Météo-France’s Agen-la Garenne station, 16 km north.
A year in Saint-Mézard at a glance
Each month’s typical high and low in °C, at the Agen-la Garenne station.
What a year in Saint-Mézard feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Agen-la Garenne.
About 708 mm of rain a year
May is the wettest month and February the driest. About 21 days a year bring 10 mm or more. 8th wettest of 11 towns of 2,500+ in Gers.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Agen-la Garenne
35 frosts and 90 days of 25°C a year
On about 35 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 90 days a year reach 25°C, and 31 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Agen-la Garenne: 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 Agen-la Garenne
Agen-la Garenne is 16 km north of Saint-Mézard. Every figure on this page is the station’s, not a measurement in Saint-Mézard itself.
| Station (Météo-France number) | Agen-la Garenne (47091001) |
| Distance from the town | 16 km north |
| Station altitude | 58 m |
| Town altitude (its center) | 158 m |
| Period | 1991–2020 |
| Nearest station of any kind | 9.1 km |
| Sunshine measured at | the same station |
Saint-Mézard sits 100 m higher than the station. Air usually cools by about 0.65°C every 100 m, so expect Saint-Mézard to run about 0.7°C cooler than these figures.
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 Saint-Mézard 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 Gers.
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 |
|---|---|---|---|---|
| Saint-Mézard | Agen-la Garenne | 28.0°C | 2.5°C | 708 mm |
| Lectoure 12 km | Mauroux | 27.6°C about the same | 3.3°C 0.8°C milder | 678 mm |
| Layrac 13 km | same station | 28.0°C about the same | 2.5°C about the same | 708 mm |
| Condom 17 km | Beaucaire | 28.2°C about the same | 2.3°C about the same | 776 mm |
| Boé 18 km | same station | 28.0°C about the same | 2.5°C about the same | 708 mm |
| Le Passage 18 km | same station | 28.0°C about the same | 2.5°C about the same | 708 mm |
| Agen 19 km | same station | 28.0°C about the same | 2.5°C about the same | 708 mm |
Saint-Mézard weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Agen-la Garenne station.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.6°C | 2.5°C | 6.1°C | 60 mm | 76 |
| February | 11.6°C | 2.3°C | 6.9°C | 44 mm | 113 |
| March | 15.6°C | 4.6°C | 10.1°C | 49 mm | 172 |
| April | 18.2°C | 7.0°C | 12.6°C | 70 mm | 186 |
| May | 22.0°C | 10.5°C | 16.3°C | 73 mm | 216 |
| June | 25.6°C | 13.9°C | 19.8°C | 62 mm | 235 |
| July | 28.0°C | 15.7°C | 21.9°C | 49 mm | 260 |
| August | 28.3°C | 15.7°C | 22.0°C | 50 mm | 250 |
| September | 24.8°C | 12.3°C | 18.6°C | 61 mm | 211 |
| October | 20.0°C | 9.8°C | 14.9°C | 59 mm | 143 |
| November | 13.6°C | 5.6°C | 9.6°C | 70 mm | 88 |
| December | 10.0°C | 3.1°C | 6.6°C | 61 mm | 72 |
| Year | 18.9°C | 8.6°C | 13.8°C | 708 mm | 2,020 |
Where Saint-Mézard’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Agen-la Garenne, 16 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, Agen-la Garenne, 16 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 Gers.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Saint-Mézard’s climate
How warm does Saint-Mézard get in summer?
August is the warmest month, with average highs of 28.3°C. About 90 days a year reach 25°C, more than 82% of mainland French towns, and about 31 reach 30°C.
How cold does Saint-Mézard get in winter?
February nights average 2.3°C. The air drops to 0°C or below on about 35 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Saint-Mézard get?
About 708 mm a year, less than 66% of mainland French towns. May is the wettest month (73 mm) and February the driest (44 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Agen-la Garenne (16 km away), averages 2,020 hours of sunshine a year.
Are these figures for Saint-Mézard itself?
No: they are the normals of the Météo-France station matched to Saint-Mézard, Agen-la Garenne, 16 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 AGEN-LA GARENNE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Mézard →
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.