Photo: William Ellison · CC BY-SA 4.0Midwinter lows in Montussan stay above those of 88% of mainland French towns
In July the day’s top temperature is typically 27.6°C. A year here swings 25°C from midwinter lows to midsummer highs. Warm days come often: about 88 a year reach 25°C, more than in 78% of mainland French towns. Homes need heating from December to February, the months averaging under 10°C.
These are the figures of Météo-France’s Villenave d'Ornon-Inrae station, 16 km south-west.
A year in Montussan at a glance
Each month’s typical high and low in °C, at the Villenave d'Ornon-Inrae station.
What a year in Montussan feels like
Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Villenave d'Ornon-Inrae.
About 904 mm of rain a year
November is the wettest month and July the driest. About 30 days a year bring 10 mm or more. 52nd wettest of 113 towns of 2,500+ in Gironde.
Rain by month
Millimeters
Sunshine by month
Hours of sunshine at Saint-Émilion
23 frosts and 88 days of 25°C a year
On about 23 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 88 days a year reach 25°C, and 28 reach 30°C.
Day counts are Météo-France’s 1991–2020 normals at Villenave d'Ornon-Inrae: 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 Villenave d'Ornon-Inrae
Villenave d'Ornon-Inrae is 16 km south-west of Montussan. Every figure on this page is the station’s, not a measurement in Montussan itself.
| Station (Météo-France number) | Villenave d'Ornon-Inrae (33550001) |
| Distance from the town | 16 km south-west |
| Station altitude | 25 m |
| Town altitude (its center) | 36 m |
| Period | 1991–2020 |
| Sunshine measured at | Saint-Émilion, 19 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 Montussan 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 Gironde.
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 |
|---|---|---|---|---|
| Montussan | Villenave d'Ornon-Inrae | 27.6°C | 3.7°C | 904 mm |
| Yvrac 3.2 km | same station | 27.6°C about the same | 3.7°C about the same | 904 mm |
| Pompignac 3.2 km | same station | 27.6°C about the same | 3.7°C about the same | 904 mm |
| Beychac-et-Caillau 3.7 km | Saint-Émilion | 27.8°C about the same | 3.3°C about the same | 798 mm |
| Saint-Sulpice-et-Cameyrac 4 km | Saint-Émilion | 27.8°C about the same | 3.3°C about the same | 798 mm |
| Saint-Loubès 4 km | Saint-Gervais | 27.1°C 0.5°C cooler | 3.5°C about the same | 825 mm |
| Sainte-Eulalie 5 km | Talence | 27.8°C about the same | 3.4°C about the same | 884 mm |
Montussan weather by month
Average daily high and low, mean temperature and rain, 1991–2020, at the Villenave d'Ornon-Inrae station; sunshine at Saint-Émilion.
| Month | High | Low | Mean | Rain | Sun (hours) |
|---|---|---|---|---|---|
| January | 10.5°C | 3.7°C | 7.1°C | 87 mm | 78 |
| February | 12.1°C | 3.5°C | 7.8°C | 67 mm | 126 |
| March | 15.7°C | 5.9°C | 10.8°C | 63 mm | 164 |
| April | 18.3°C | 7.9°C | 13.1°C | 76 mm | 199 |
| May | 22.2°C | 11.5°C | 16.8°C | 69 mm | 222 |
| June | 25.4°C | 14.6°C | 20.0°C | 68 mm | 249 |
| July | 27.6°C | 16.3°C | 21.9°C | 47 mm | 273 |
| August | 28.0°C | 16.3°C | 22.1°C | 61 mm | 255 |
| September | 24.5°C | 13.2°C | 18.9°C | 73 mm | 227 |
| October | 19.8°C | 10.5°C | 15.1°C | 79 mm | 156 |
| November | 14.1°C | 6.5°C | 10.3°C | 113 mm | 102 |
| December | 11.0°C | 4.2°C | 7.6°C | 103 mm | 92 |
| Year | 19.1°C | 9.5°C | 14.3°C | 904 mm | 2,142 |
Where Montussan’s numbers come from
Averages over 30 years, not a forecast.
- Temperature, rain and day counts: Météo-France’s fiche climatologique for Villenave d'Ornon-Inrae, 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, Saint-Émilion, 19 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 Gironde.
Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.
Questions about Montussan’s climate
How warm does Montussan get in summer?
August is the warmest month, with average highs of 28.0°C. About 88 days a year reach 25°C, more than 78% of mainland French towns, and about 28 reach 30°C.
How cold does Montussan get in winter?
February nights average 3.5°C. The air drops to 0°C or below on about 23 nights a year, and about 1 days a year stay below freezing all day.
How much rain does Montussan get?
About 904 mm a year, more than 78% of mainland French towns. November is the wettest month (113 mm) and July the driest (47 mm).
How sunny is it?
The nearest Météo-France station that records sunshine, Saint-Émilion (19 km away), averages 2,142 hours of sunshine a year.
Are these figures for Montussan itself?
No: they are the normals of the Météo-France station matched to Montussan, Villenave d'Ornon-Inrae, 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 VILLENAVE D'ORNON-INRAE, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Montussan →
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.