St Malo, France: Annual Weather Averages

July is the hottest month in St Malo with an average temperature of 17°C (63°F) and the coldest is January at 5.5°C (42°F) with the most daily sunshine hours at 7 in August. The wettest month is October with an average of 70mm of rain. The best month to swim in the sea is in August when the average sea temperature is 18°C (64°F).

Average Temperature: St Malo

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6 6 8 9 12 15 17 17 16 13 9 7
°F 42 42 46 47 54 58 63 63 61 55 47 44

Average High/Low Temperature: St Malo

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High °C 8 8 11 12 16 18 21 21 20 16 11 9
High °F 46 46 52 54 61 64 70 70 68 61 52 48
Low °C 3 3 5 5 8 11 13 13 12 9 6 4
Low °F 37 37 41 41 46 52 55 55 54 48 43 39

Average Rainfall: St Malo

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 30 30 60 40 50 40 40 40 50 70 70 40
Days 17 15 15 16 13 13 13 12 14 17 17 17

Average Daily Sunshine Hours: St Malo

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hours 2 2 4 4 6 7 7 7 6 4 3 1

Average Sea Temperature: St Malo

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 10 9 9 10 12 14 17 18 17 15 13 12
°F 50 48 48 50 54 57 63 64 63 59 55 54
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