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Climate in Moustoir-Ac · Météo-France 1991–2020 normals

Rainfall in Moustoir-Ac tops that of 89% of mainland French towns: 1,044 mm a year

Sunny July days climb to about 24.0°C. Only about 35 days a year reach 25°C, fewer than in 85% of mainland French towns. Of all months, December brings the most rain and July the least. The outdoor season runs from May to September, with highs of 19–24°C.

July afternoons: cooler than 83% of mainland French towns
January nights: milder than 80% of mainland French towns
Rain a year: wetter than 89% of mainland French towns

These are the figures of Météo-France’s Moréac station, 7.8 km north.

A year in Moustoir-Ac at a glance

Each month’s typical high and low in °C, at the Moréac station.

Jan9°C3°C
Feb10°C3°CColdest nights
Mar13°C4°C
Apr16°C6°C
May19°C9°C
Jun22°C11°C
Jul24°C13°CWarmest
Aug24°C13°C
Sep21°C11°C
Oct17°C9°C
Nov now12°C6°C
Dec9°C4°CWettest
A normal year

What a year in Moustoir-Ac feels like

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

Winter
9°C / 3°C
361 mm of rain, the wettest season
Spring
16°C / 6°C
215 mm of rain
Summer
23°C / 12°C
35 days of 25°C+ a year
Autumn
17°C / 9°C
301 mm of rain
Best months to be outsideMayJunJulAugSepHighs of 17–27°C and nights of 8°C or more
Rain

About 1,044 mm of rain a year

December is the wettest month and July the driest. About 34 days a year bring 10 mm or more. 9th wettest of 88 towns of 2,500+ in Morbihan.

1,044 mm
Rain a year, over 132 days of 1 mm or more
Wetter than 89% of mainland French towns
34
Days a year with 10 mm of rain or more
1,981 hrs
Sunshine a year at Vannes-Séné
29 km away

Rain by month

Millimeters

136 mm
JFMAMJJASOND

Sunshine by month

Hours of sunshine at Vannes-Séné

255 h
JFMAMJJASOND
Frost & warm days

33 frosts and 35 days of 25°C a year

On about 33 nights a year the air drops to 0°C or below, and on about under 1 days it stays below freezing all day. About 35 days a year reach 25°C, and 6 reach 30°C.

33
Air frosts a year (below 0°C)
Fewer frosts than 71% of mainland French towns
under 1
Days that stay below 0°C
35
Days of 25°C or more
Fewer warm days than 85% of mainland French towns
6
Hot days, 30°C or more
Fewer hot days than 89% of mainland French towns

Day counts are Météo-France’s 1991–2020 normals at Moréac: 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 Moréac

Moréac is 7.8 km north of Moustoir-Ac. Every figure on this page is the station’s, not a measurement in Moustoir-Ac itself.

Station (Météo-France number)Moréac (56140001)
Distance from the town7.8 km north
Station altitude120 m
Town altitude (its center)83 m
Period1994–2020 (the station’s own record)
Sunshine measured atVannes-Séné, 29 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 Moustoir-Ac 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 afternoons24.0°C
Moustoir-AcMedian mainland town
21°C22°C23°C24°C25°C26°C
Cooler than 83% of mainland French towns26th warmest of 88 towns of 2,500+ in Morbihan
January nights3.3°C
Moustoir-AcMedian mainland town
1°C2°C3°C4°C5°C6°C7°C
Milder than 80% of mainland French towns63rd mildest of 88 towns of 2,500+ in Morbihan
Rain a year1,044 mm
Moustoir-AcMedian mainland town
6008001,0001,2001,400
Wetter than 89% of mainland French towns9th wettest of 88 towns of 2,500+ in Morbihan
Frosts a year33 nights
Moustoir-AcMedian mainland town
0204060
Fewer frosts than 71% of mainland French towns12th frostiest of 88 towns of 2,500+ in Morbihan
Days of 25°C or more35 days
Moustoir-AcMedian mainland town
020406080
Fewer warm days than 85% of mainland French towns30th 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
Moustoir-AcMoréac24.0°C3.3°C1,044 mm
Plumelin 3.5 kmsame station24.0°C about the same3.3°C about the same1,044 mm
Locminé 3.9 kmsame station24.0°C about the same3.3°C about the same1,044 mm
Bignan 6 kmBignan23.5°C 0.5°C cooler3.4°C about the same995 mm
Moréac 8 kmsame station24.0°C about the same3.3°C about the same1,044 mm
Saint-Jean-Brévelay 9.2 kmBignan23.5°C 0.5°C cooler3.4°C about the same995 mm
Grand-Champ 10 kmBignan23.5°C 0.5°C cooler3.4°C about the same995 mm
Month by month

Moustoir-Ac weather by month

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

MonthHighLowMeanRainSun (hours)
January8.9°C3.3°C6.1°C132 mm75
February10.0°C3.2°C6.6°C93 mm107
March12.7°C4.1°C8.4°C74 mm157
April15.8°C5.5°C10.6°C76 mm201
May18.8°C8.7°C13.7°C65 mm222
June21.9°C11.4°C16.7°C58 mm244
July24.0°C12.9°C18.5°C49 mm255
August23.9°C12.9°C18.4°C59 mm225
September21.2°C10.6°C15.9°C70 mm202
October16.8°C9.1°C12.9°C113 mm121
November12.3°C5.9°C9.1°C118 mm93
December9.4°C3.8°C6.6°C136 mm79
Year16.3°C7.6°C12.0°C1,044 mm1,981
Sources

Where Moustoir-Ac’s numbers come from

Averages over 30 years, not a forecast.

  • Temperature, rain and day counts: Météo-France’s fiche climatologique for Moréac, 7.8 km away: statistics for 1991–2020 (the station’s own years, 1994–2020, where its record is shorter).
  • 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, 29 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 Moustoir-Ac’s climate

How warm does Moustoir-Ac get in summer?

July is the warmest month, with average highs of 24.0°C. About 35 days a year reach 25°C, fewer than 85% of mainland French towns, and about 6 reach 30°C.

How cold does Moustoir-Ac get in winter?

February nights average 3.2°C. The air drops to 0°C or below on about 33 nights a year, and about under 1 days a year stay below freezing all day.

How much rain does Moustoir-Ac get?

About 1,044 mm a year, more than 89% of mainland French towns. December is the wettest month (136 mm) and July the driest (49 mm).

How sunny is it?

The nearest Météo-France station that records sunshine, Vannes-Séné (29 km away), averages 1,981 hours of sunshine a year.

Are these figures for Moustoir-Ac itself?

No: they are the normals of the Météo-France station matched to Moustoir-Ac, Moréac, 7.8 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 MOREAC, edited 15/10/2026); altitude: IGN, RGE ALTI®. Licence Ouverte 2.0. Today’s forecast for Moustoir-Ac →

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.