Annual mean 12°C · wettest around December · prevailing wind W
Warmest
21.4 °C
Coldest
7.2 °C
Wettest
26%
Windiest
6.9 m/s
Prevailing
W
5.5 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Saint-Malo over the whole year is 12°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about 6°C. The rainy (wet) season in Saint-Malo runs from October to March, peaking in December with a 22% chance of rain on a given day. The dry season is April to September; July is the driest month, at 7%. Winds in Saint-Malo are highest in December, averaging 5.4 m/s (19 km/h), and lightest in June, at 3.8 m/s (14 km/h). The prevailing wind is from the W. The clearest skies in Saint-Malo come in April, when the sky is typically 66% covered; December is the cloudiest month, at 83%.
Month by month Saint-Malo climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
8°C
6°C
3°C
19%
82%
5.0 m/s
0
0
20
February
9°C
6°C
4°C
16%
78%
5.2 m/s
0
0
30
March
11°C
7°C
6°C
15%
75%
5.0 m/s
3
0
44
April
13°C
8°C
9°C
11%
66%
4.2 m/s
14
0
66
May
16°C
11°C
13°C
8%
69%
4.1 m/s
34
1
85
June
19°C
14°C
17°C
12%
74%
3.8 m/s
63
6
81
July
21°C
16°C
19°C
7%
72%
4.1 m/s
83
8
81
August
21°C
16°C
19°C
9%
71%
3.9 m/s
81
10
76
September
19°C
14°C
17°C
12%
74%
4.1 m/s
66
6
81
October
16°C
12°C
12°C
18%
76%
4.4 m/s
30
1
81
November
12°C
9°C
7°C
20%
81%
5.0 m/s
2
0
54
December
9°C
7°C
4°C
22%
83%
5.4 m/s
0
0
32
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Saint-Malo weather by season
Year round, Saint-Malo has days of about 8°C at their warmest in January, its coolest month, and 21°C in July, its warmest; the coolest hours of the day run from 6°C to 16°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around December and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Saint-Malo weather in winterDecember to February
High 9°CLow 6°CRain 19%
Winter in Saint-Malo has typical daily highs of about 9°C and lows of about 6°C, with a 19% chance of rain on a given day.
Saint-Malo weather in springMarch to May
High 13°CLow 9°CRain 11%
Spring in Saint-Malo has typical daily highs of about 13°C and lows of about 9°C, with a 11% chance of rain on a given day.
Saint-Malo weather in summerJune to August
High 20°CLow 15°CRain 9%
Summer in Saint-Malo has typical daily highs of about 20°C and lows of about 15°C, with a 9% chance of rain on a given day.
Saint-Malo weather in autumnSeptember to November
High 15°CLow 11°CRain 16%
Autumn in Saint-Malo has typical daily highs of about 15°C and lows of about 11°C, with a 16% chance of rain on a given day.
When is the rainy season in Saint-Malo?
The rainy (wet) season in Saint-Malo runs from October to March, peaking in December with a 22% chance of rain on a given day. The dry season is April to September; July is the driest month, at 7%.
What time of year is Saint-Malo windiest?
Winds in Saint-Malo are highest in December, averaging 5.4 m/s (19 km/h), and lightest in June, at 3.8 m/s (14 km/h). The prevailing wind is from the W.
What is the average temperature in Saint-Malo year round?
The average temperature in Saint-Malo over the whole year is 12°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about 6°C.