Warm afternoons come to Mongausy more often than to 90% of mainland French towns
Nights in January average 1.8°C. By rainfall alone, it ranks drier than 66% of mainland French towns. A year here swings 28°C from midwinter lows to midsummer highs. Keep the boiler serviced for the months from November to March, which average under 10°C.
Figures from Météo-France’s Isle-Jourdain station, 25 km north-east.
A year in Mongausy at a glance
Each month’s typical high and low in °C, at the Isle-Jourdain station.
What a year in Mongausy feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Isle-Jourdain.
About 709 mm of rain a year
May is the wettest month and February the driest. About 20 days a year bring 10 mm or more. 5th wettest of 11 towns of 2,500+ in Gers.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Auch
47 frosts and 106 days of 25°C a year
On about 47 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 106 days a year reach 25°C, and 46 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Isle-Jourdain: 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 Isle-Jourdain
Isle-Jourdain is 25 km north-east of Mongausy. Every figure on this page is the station’s, not a measurement in Mongausy itself.
| Station (Météo-France number) | Isle-Jourdain (32160001) |
| Distance from the town | 25 km north-east |
| Station altitude | 152 m |
| Town altitude (its center) | 243 m |
| Period | 1991–2020 |
| Nearest station of any kind | 7.9 km |
| Sunshine measured at | Auch, 27 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 Mongausy 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 |
|---|---|---|---|---|
| Mongausy | Isle-Jourdain | 28.9°C | 1.8°C | 709 mm |
| Samatan 9.3 km | same station | 28.9°C about the same | 1.8°C about the same | 709 mm |
| Gimont 15 km | same station | 28.9°C about the same | 1.8°C about the same | 709 mm |
| Pavie 22 km | Auch | 27.8°C 1.1°C cooler | 1.6°C about the same | 696 mm |
| Auch 24 km | Auch | 27.8°C 1.1°C cooler | 1.6°C about the same | 696 mm |
| L'Isle-Jourdain 25 km | same station | 28.9°C about the same | 1.8°C about the same | 709 mm |
| Rieumes 26 km | Muret-Lherm | 28.0°C 0.9°C cooler | 2.0°C about the same | 620 mm |
Mongausy weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Isle-Jourdain station; sunshine at Auch.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.4°C | 1.8°C | 6.1°C | 65 mm | 89 |
| February | 12.1°C | 1.6°C | 6.8°C | 47 mm | 115 |
| March | 15.9°C | 3.8°C | 9.9°C | 51 mm | 168 |
| April | 18.7°C | 6.3°C | 12.5°C | 66 mm | 180 |
| May | 22.4°C | 9.8°C | 16.1°C | 81 mm | 201 |
| June | 26.4°C | 13.2°C | 19.8°C | 62 mm | 213 |
| July | 28.9°C | 14.9°C | 21.9°C | 50 mm | 240 |
| August | 29.5°C | 14.9°C | 22.2°C | 51 mm | 231 |
| September | 25.7°C | 11.6°C | 18.7°C | 57 mm | 203 |
| October | 20.6°C | 9.2°C | 14.9°C | 58 mm | 152 |
| November | 14.3°C | 4.9°C | 9.6°C | 63 mm | 99 |
| December | 11.1°C | 2.5°C | 6.8°C | 59 mm | 85 |
| Year | 19.7°C | 7.9°C | 13.8°C | 709 mm | 1,976 |
Where Mongausy’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Isle-Jourdain, 25 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, Auch, 27 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 Mongausy’s climate
How warm does Mongausy get in summer?
August is the warmest month, with average highs of 29.5°C. About 106 days a year reach 25°C, more than 90% of mainland French towns, and about 46 reach 30°C.
How cold does Mongausy get in winter?
February nights average 1.6°C. The air drops to 0°C or below on about 47 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Mongausy get?
About 709 mm a year, less than 66% of mainland French towns. May is the wettest month (81 mm) and February the driest (47 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Auch (27 km away), averages 1,976 hours of sunshine a year.
Are these figures for Mongausy itself?
No: they are the normals of the Météo-France station matched to Mongausy, Isle-Jourdain, 25 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 ISLE-JOURDAIN, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Mongausy →
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.