Climate Insights for Allaire

Morbihan, Bretagne, France

Hottest
July
24°C peak
Coldest
January
3°C low
Wettest
October
77mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Allaire is temperate. The average annual temperature is 12°C and approximately 711mm of precipitation falls per year. Allaire receives a notable amount of rainfall throughout the year, including during its driest month. Allaire is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, March, when temperatures can drop to 3°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 9° Average: 6° Min: 3° Feb Max: 11° Average: 7° Min: 4° Mar Max: 13° Average: 9° Min: 5° Apr Max: 16° Average: 11° Min: 6° May Max: 19° Average: 14° Min: 9° Jun Max: 22° Average: 18° Min: 13° Jul Max: 24° Average: 19° Min: 14° Aug Max: 24° Average: 19° Min: 14° Sep Max: 21° Average: 16° Min: 12° Oct Max: 17° Average: 13° Min: 9° Nov Max: 13° Average: 9° Min: 6° Dec Max: 10° Average: 8° Min: 5°
Max
Average
Min

Temperatures in Allaire vary considerably across the year, with a 21°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 24°C with a mean of 19°C. January is the coolest month, with minimum temperatures around 3°C and an average of 6°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 61mm Snow: 0mm Feb Precipitation: 54mm Snow: 1mm Mar Precipitation: 64mm Snow: 0mm Apr Precipitation: 54mm Snow: 0mm May Precipitation: 59mm Snow: 0mm Jun Precipitation: 70mm Snow: 0mm Jul Precipitation: 38mm Snow: 0mm Aug Precipitation: 43mm Snow: 0mm Sep Precipitation: 49mm Snow: 0mm Oct Precipitation: 77mm Snow: 0mm Nov Precipitation: 70mm Snow: 0mm Dec Precipitation: 72mm Snow: 0mm
Precipitation
Snow

Allaire is a relatively dry area, receiving approximately 711mm of precipitation annually, which averages out to around 59mm per month. The wettest month is October, averaging 77mm of rainfall. December and June also tend to see above-average precipitation. The driest month is July, with just 38mm. That's 39mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 21km/h Feb Wind Speed: 22km/h Mar Wind Speed: 22km/h Apr Wind Speed: 18km/h May Wind Speed: 19km/h Jun Wind Speed: 17km/h Jul Wind Speed: 18km/h Aug Wind Speed: 17km/h Sep Wind Speed: 18km/h Oct Wind Speed: 19km/h Nov Wind Speed: 21km/h Dec Wind Speed: 21km/h
Wind Speed

Allaire is mildly breezy, with an average annual wind speed of 19km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 21km/h in winter, 20km/h in spring, 18km/h in summer, 19km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

89 days until Summer

It is currently spring in Allaire, which began on March 20, 2026. Allaire is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 24°C, while the coldest stretch bottoms out in January near 3°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 5 to 19°C. Precipitation is moderate at around 177mm for the season, averaging 59mm per month. Winds are moderate at around 20km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 13 to 24°C. Rainfall is relatively light, with around 151mm over the season and a monthly average of 50mm. Winds are moderate at around 18km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 6 to 21°C. Precipitation is moderate at around 196mm for the season, averaging 65mm per month. Winds are moderate at around 19km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 3 to 11°C. Precipitation is moderate at around 187mm for the season, averaging 62mm per month. Winds are moderate at around 21km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan
Feb
Mar
Apr 11°
May 14°
Jun 18°
Jul 19°
Aug 19°
Sep 16°
Oct 13°
Nov
Dec

The best time to visit Allaire is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 50mm per month. By contrast, January can be quite cold with temperatures dropping to 3°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Allaire based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
3 °C
9 °C
21 km/h
61 mm
0 cm
Feb
4 °C
11 °C
22 km/h
54 mm
1 cm
Mar Current
5 °C
13 °C
22 km/h
64 mm
0 cm
Apr
6 °C
16 °C
18 km/h
54 mm
0 cm
May
9 °C
19 °C
19 km/h
59 mm
0 cm
Jun
13 °C
22 °C
17 km/h
70 mm
0 cm
Jul
14 °C
24 °C
18 km/h
38 mm
0 cm
Aug
14 °C
24 °C
17 km/h
43 mm
0 cm
Sep
12 °C
21 °C
18 km/h
49 mm
0 cm
Oct
9 °C
17 °C
19 km/h
77 mm
0 cm
Nov
6 °C
13 °C
21 km/h
70 mm
0 cm
Dec
5 °C
10 °C
21 km/h
72 mm
0 cm
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Metric (°C, km/h)