FrançaisGuest, Sign inJoin
Climate in Saint-Gravé · Météo-France 1991–2020 normals

More rain falls on Saint-Gravé than on 83% of mainland French towns: 948 mm a year

January mornings start at about 3.4°C. Winters are mild: January nights here are milder than in 83% of mainland French towns. Wet weather is most frequent in December and least in July. From May to October, highs of 17–25°C make it easy to spend the day outdoors.

July afternoons: cooler than 75% of mainland French towns
January nights: milder than 83% of mainland French towns
Rain a year: wetter than 83% of mainland French towns

These are the figures of Météo-France’s Saint-Jacut-les-Pins station, 7 km south-east.

A year in Saint-Gravé at a glance

Each month’s typical high and low in °C, at the Saint-Jacut-les-Pins station.

Jan9°C3°C
Feb10°C3°CColdest nights
Mar13°C4°C
Apr16°C6°C
May19°C9°C
Jun23°C12°C
Jul25°C13°C
Aug25°C13°CWarmest
Sep22°C11°C
Oct17°C9°C
Nov now13°C6°C
Dec10°C4°CWettest
A normal year

What a year in Saint-Gravé feels like

Typical highs and lows by season and by month, from Météo-France’s 1991–2020 normals at Saint-Jacut-les-Pins.

Winter
10°C / 3°C
320 mm of rain, the wettest season
Spring
16°C / 6°C
201 mm of rain
Summer
24°C / 13°C
46 days of 25°C+ a year
Autumn
17°C / 9°C
274 mm of rain
Best months to be outsideMayJunJulAugSepOctHighs of 17–27°C and nights of 8°C or more
Rain

About 948 mm of rain a year

December is the wettest month and July the driest. About 30 days a year bring 10 mm or more. 47th wettest of 88 towns of 2,500+ in Morbihan.

948 mm
Rain a year, over 127 days of 1 mm or more
Wetter than 83% of mainland French towns
30
Days a year with 10 mm of rain or more
1,981 hrs
Sunshine a year at Vannes-Séné
35 km away

Rain by month

Millimeters

123 mm
JFMAMJJASOND

Sunshine by month

Hours of sunshine at Vannes-Séné

255 h
JFMAMJJASOND
Frost & warm days

32 frosts and 46 days of 25°C a year

On about 32 nights a year the air drops to 0°C or below, and on about 1 days it stays below freezing all day. About 46 days a year reach 25°C, and 10 reach 30°C.

32
Air frosts a year (below 0°C)
Fewer frosts than 71% of mainland French towns
1
Days that stay below 0°C
46
Days of 25°C or more
Fewer warm days than 74% of mainland French towns
10
Hot days, 30°C or more
Fewer hot days than 74% of mainland French towns

Day counts are Météo-France’s 1991–2020 normals at Saint-Jacut-les-Pins: 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.

Weather station

The Météo-France station at Saint-Jacut-les-Pins

Saint-Jacut-les-Pins is 7 km south-east of Saint-Gravé. Every figure on this page is the station’s, not a measurement in Saint-Gravé itself.

Station (Météo-France number)Saint-Jacut-les-Pins (56221001)
Distance from the town7 km south-east
Station altitude52 m
Town altitude (its center)74 m
Period1991–2020
Sunshine measured atVannes-Séné, 35 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.

Compared with other towns

How Saint-Gravé 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 Morbihan.

July afternoons24.8°C
Saint-GravéMedian mainland town
21°C22°C23°C24°C25°C26°C
Cooler than 75% of mainland French towns12th warmest of 88 towns of 2,500+ in Morbihan
January nights3.4°C
Saint-GravéMedian mainland town
1°C2°C3°C4°C5°C6°C7°C
Milder than 83% of mainland French towns56th mildest of 88 towns of 2,500+ in Morbihan
Rain a year948 mm
Saint-GravéMedian mainland town
6008001,0001,2001,400
Wetter than 83% of mainland French towns47th wettest of 88 towns of 2,500+ in Morbihan
Frosts a year32 nights
Saint-GravéMedian mainland town
0204060
Fewer frosts than 71% of mainland French towns24th frostiest of 88 towns of 2,500+ in Morbihan
Days of 25°C or more46 days
Saint-GravéMedian mainland town
020406080
Fewer warm days than 74% of mainland French towns12th most 25°C days of 88 towns of 2,500+ in Morbihan
Next door

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.

TownStationJuly highJanuary lowRain a year
Saint-GravéSaint-Jacut-les-Pins24.8°C3.4°C948 mm
Malestroit 12 kmPleucadeuc24.3°C 0.5°C cooler3.1°C about the same907 mm
La Gacilly 12 kmsame station24.8°C about the same3.4°C about the same948 mm
Allaire 13 kmsame station24.8°C about the same3.4°C about the same948 mm
Questembert 14 kmQuestembert24.2°C 0.6°C cooler3.0°C about the same1,096 mm
Bains-sur-Oust 16 kmsame station24.8°C about the same3.4°C about the same948 mm
Carentoir 16 kmGuer25.4°C 0.6°C warmer2.9°C 0.5°C colder873 mm
Month by month

Saint-Gravé weather by month

Average daily high and low, mean temperature and rain, 1991–2020, at the Saint-Jacut-les-Pins station; sunshine at Vannes-Séné.

MonthHighLowMeanRainSun (hours)
January9.4°C3.4°C6.4°C114 mm75
February10.4°C3.0°C6.7°C83 mm107
March13.3°C4.4°C8.9°C67 mm157
April16.1°C5.9°C11.0°C71 mm201
May19.3°C9.1°C14.2°C63 mm222
June22.6°C11.8°C17.2°C52 mm244
July24.8°C13.4°C19.1°C48 mm255
August24.9°C13.4°C19.1°C53 mm225
September22.1°C11.0°C16.5°C69 mm202
October17.2°C9.0°C13.1°C98 mm121
November12.8°C5.7°C9.3°C106 mm93
December9.8°C3.7°C6.8°C123 mm79
Year16.9°C7.8°C12.4°C948 mm1,981
Sources

Where Saint-Gravé’s numbers come from

Averages over 30 years, not a forecast.

  • Temperature, rain and day counts: Météo-France’s fiche climatologique for Saint-Jacut-les-Pins, 7 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, Vannes-Séné, 35 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 Morbihan.

Météo-France fiches climatologiques · IGN RGE ALTI®. Licence Ouverte 2.0.

Questions about Saint-Gravé’s climate

How warm does Saint-Gravé get in summer?

August is the warmest month, with average highs of 24.9°C. About 46 days a year reach 25°C, fewer than 74% of mainland French towns, and about 10 reach 30°C.

How cold does Saint-Gravé get in winter?

February nights average 3.0°C. The air drops to 0°C or below on about 32 nights a year, and about 1 days a year stay below freezing all day.

How much rain does Saint-Gravé get?

About 948 mm a year, more than 83% of mainland French towns. December is the wettest month (123 mm) and July the driest (48 mm).

How sunny is it?

The nearest Météo-France station that records sunshine, Vannes-Séné (35 km away), averages 1,981 hours of sunshine a year.

Are these figures for Saint-Gravé itself?

No: they are the normals of the Météo-France station matched to Saint-Gravé, Saint-Jacut-les-Pins, 7 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 ST-JACUT-LES-PINS, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Saint-Gravé →

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.