Average weather, temperature, rainfall, sunshine hours
The climate of Saint-Malo is generally cool and wet, rainy and windy all year round, but especially in autumn and winter. However, there may also be sunny days, especially in summer.
The city is located in the north-west of France, on the northern coast of Brittany.
The
average temperature of the coldest month (January) is of 5,5 °C (42 °F), that of the warmest months (July, August) is of 17,5 °C (64 °F). Here are the average temperatures.
Saint-Malo - Average temperatures| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Min (°C) | 3 | 3 | 4 | 6 | 9 | 11 | 13 | 13 | 12 | 10 | 6 | 4 |
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| Max (°C) | 8 | 9 | 11 | 13 | 17 | 20 | 22 | 22 | 20 | 16 | 12 | 9 |
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| Min (°F) | 37 | 37 | 39 | 43 | 48 | 52 | 55 | 55 | 54 | 50 | 43 | 39 |
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| Max (°F) | 46 | 48 | 52 | 55 | 63 | 68 | 72 | 72 | 68 | 61 | 54 | 48 |
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amounts to 780 millimeters (30,7 inches) per year. It ranges from 40 mm (1,6 in) in the driest month (July) to 95 mm (3,7 in) in the wettest (November). The rains are frequent especially from October to March. Here is the average precipitation.
Saint-Malo - Average precipitation| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
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| Prec.(mm) | 80 | 70 | 65 | 50 | 55 | 50 | 40 | 50 | 60 | 75 | 95 | 90 | 780 |
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| Prec.(in) | 3.1 | 2.8 | 2.6 | 2 | 2.2 | 2 | 1.6 | 2 | 2.4 | 3 | 3.7 | 3.5 | 30.7 |
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| Days | 19 | 15 | 17 | 15 | 15 | 12 | 11 | 12 | 13 | 16 | 18 | 19 | 182 |
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On average, there are around 1,670
sunshine hours per year. Here are the average sunshine hours per day.
Saint-Malo - Sunshine| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Hours | 2 | 3 | 4 | 5 | 6 | 7 | 7 | 6 | 6 | 4 | 3 | 2 |
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The
sea temperature ranges between 9 °C (48 °F) and 18 °C (64 °F). So, it never becomes warm for swimming. Here are the average sea temperatures.
Saint-Malo - Sea temperature| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Temp (°C) | 10 | 9 | 9 | 10 | 12 | 14 | 17 | 18 | 17 | 15 | 13 | 12 |
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| Temp (°F) | 50 | 48 | 48 | 50 | 54 | 57 | 63 | 64 | 63 | 59 | 55 | 54 |
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Best Time
The
best time to visit Saint-Malo runs from mid-May to mid-September, since it is the warmest and sunniest period of the year. Sometimes, nights can be cool or even a little cold even in these months, so it can be useful to bring a sweatshirt or sweater and a light jacket for the evening.