Warm afternoons come to Sempesserre more often than to 82% of mainland French towns
Nights in January average 2.5°C. Temperatures cover 26°C across the year, low to high. It is a dry place: less rain falls here than on 66% of mainland French towns. The outdoor season, with highs of 20–26°C, runs through May, June, September and October.
Figures from Météo-France’s Agen-la Garenne station, 17 km north.
A year in Sempesserre at a glance
Each month’s typical high and low in °C, at the Agen-la Garenne station.
What a year in Sempesserre 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 17 km north of Sempesserre. Every figure on this page is the station’s, not a measurement in Sempesserre itself.
| Station (Météo-France number) | Agen-la Garenne (47091001) |
| Distance from the town | 17 km north |
| Station altitude | 58 m |
| Town altitude (its center) | 118 m |
| Period | 1991–2020 |
| Nearest station of any kind | 11 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 Sempesserre 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 |
|---|---|---|---|---|
| Sempesserre | Agen-la Garenne | 28.0°C | 2.5°C | 708 mm |
| Lectoure 9.8 km | Mauroux | 27.6°C about the same | 3.3°C 0.8°C milder | 678 mm |
| Layrac 12 km | same station | 28.0°C about the same | 2.5°C about the same | 708 mm |
| Boé 17 km | same station | 28.0°C about the same | 2.5°C about the same | 708 mm |
| Le Passage 19 km | same station | 28.0°C about the same | 2.5°C about the same | 708 mm |
| Fleurance 20 km | Auch | 27.8°C about the same | 1.6°C 0.9°C colder | 696 mm |
| Bon-Encontre 20 km | same station | 28.0°C about the same | 2.5°C about the same | 708 mm |
Sempesserre 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 Sempesserre’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, 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, Agen-la Garenne, 17 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 Sempesserre’s climate
How warm does Sempesserre 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 Sempesserre 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 Sempesserre 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 (17 km away), averages 2,020 hours of sunshine a year.
Are these figures for Sempesserre itself?
No: they are the normals of the Météo-France station matched to Sempesserre, Agen-la Garenne, 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 AGEN-LA GARENNE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Sempesserre →
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.