Frost comes to Marsac less often than to 85% of mainland French towns
Midsummer highs settle at about 27.6°C. Expect the heaviest rain in May and the lightest in February. About 86 days a year reach 25°C, more than in 77% of mainland French towns. The heating season runs November to February: each of those months averages under 10°C.
Figures from Météo-France’s Mauroux station, 3.6 km south.
A year in Marsac at a glance
Each month’s typical high and low in °C, at the Mauroux station.
What a year in Marsac feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Mauroux.
About 678 mm of rain a year
May is the wettest month and February the driest. About 19 days a year bring 10 mm or more. 18th wettest of 17 towns of 2,500+ in Tarn-et-Garonne.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Agen-la Garenne
23 frosts and 86 days of 25°C a year
On about 23 nights a year the air drops to 0°C or below, and on about 2 days it stays below freezing all day. About 86 days a year reach 25°C, and 29 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Mauroux: 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 Mauroux
Mauroux is 3.6 km south of Marsac. Every figure on this page is the station’s, not a measurement in Marsac itself.
| Station (Météo-France number) | Mauroux (32248001) |
| Distance from the town | 3.6 km south |
| Station altitude | 201 m |
| Town altitude (its center) | 152 m |
| Period | 1991–2020 |
| Sunshine measured at | Agen-la Garenne, 32 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 Marsac 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 Tarn-et-Garonne.
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 |
|---|---|---|---|---|
| Marsac | Mauroux | 27.6°C | 3.3°C | 678 mm |
| Beaumont-de-Lomagne 14 km | Sérignac | 28.0°C about the same | 2.9°C about the same | 691 mm |
| Lectoure 16 km | same station | 27.6°C about the same | 3.3°C about the same | 678 mm |
| Fleurance 17 km | Auch | 27.8°C about the same | 1.6°C 1.7°C colder | 696 mm |
| Valence 20 km | Valence | 29.5°C 1.9°C warmer | 2.6°C 0.7°C colder | 747 mm |
| Layrac 25 km | Agen-la Garenne | 28.0°C about the same | 2.5°C 0.8°C colder | 708 mm |
| Castelsarrasin 26 km | Castelsarrasin | 29.0°C 1.4°C warmer | 1.7°C 1.6°C colder | 699 mm |
Marsac weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Mauroux station; sunshine at Agen-la Garenne.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 9.3°C | 3.3°C | 6.3°C | 59 mm | 76 |
| February | 11.1°C | 3.5°C | 7.3°C | 45 mm | 113 |
| March | 14.9°C | 5.7°C | 10.3°C | 45 mm | 172 |
| April | 17.5°C | 7.8°C | 12.7°C | 65 mm | 186 |
| May | 21.3°C | 11.1°C | 16.2°C | 68 mm | 216 |
| June | 25.4°C | 14.4°C | 19.9°C | 63 mm | 235 |
| July | 27.6°C | 16.1°C | 21.9°C | 51 mm | 260 |
| August | 28.1°C | 16.4°C | 22.2°C | 51 mm | 250 |
| September | 24.5°C | 13.7°C | 19.1°C | 56 mm | 211 |
| October | 19.4°C | 11.1°C | 15.2°C | 54 mm | 143 |
| November | 13.1°C | 6.6°C | 9.9°C | 63 mm | 88 |
| December | 10.0°C | 4.1°C | 7.0°C | 59 mm | 72 |
| Year | 18.5°C | 9.5°C | 14.0°C | 678 mm | 2,020 |
Where Marsac’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Mauroux, 3.6 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, 32 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 Tarn-et-Garonne.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Marsac’s climate
How warm does Marsac get in summer?
August is the warmest month, with average highs of 28.1°C. About 86 days a year reach 25°C, more than 77% of mainland French towns, and about 29 reach 30°C.
How cold does Marsac get in winter?
January nights average 3.3°C. The air drops to 0°C or below on about 23 nights a year, and about 2 days a year stay below freezing all day.
How much rain does Marsac get?
About 678 mm a year, less than 76% of mainland French towns. May is the wettest month (68 mm) and February the driest (45 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Agen-la Garenne (32 km away), averages 2,020 hours of sunshine a year.
Are these figures for Marsac itself?
No: they are the normals of the Météo-France station matched to Marsac, Mauroux, 3.6 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 MAUROUX, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Marsac →
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.