Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Saint-Malo-des-Trois-Fontaines features a oceanic climate (Cfb). Temperatures typically range between 6 °C (43 °F) and 19 °C (66 °F) through the year, but rarely can drop to -8 °C (19 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 767 mm (30.2 inches) and receives 124 rainy days on the 1 mm (0.04 inches) threshold annually. Saint-Malo-des-Trois-Fontaines enjoys an average of 3663 hours of sunshine throughout the year, and daylight varies from 8 hours 25 minutes to 15 hours 58 minutes per day.
The warmest months in Saint-Malo-des-Trois-Fontaines are June, July and August, with daily mean temperatures ranging from 17 to 19 °C (63 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 7 °C (43 - 46 °F) throughout the day. On average each year, Saint-Malo-des-Trois-Fontaines experiences 23 days above 25 °C (77.0 °F) and 20 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 15°C (60°F) |
20°C (68°F) |
22°C (72°F) |
26°C (79°F) |
29°C (84°F) |
34°C (93°F) |
35°C (95°F) |
34°C (94°F) |
30°C (87°F) |
24°C (76°F) |
18°C (64°F) |
15°C (59°F) |
| Mean maximum | 14°C (57°F) |
15°C (60°F) |
19°C (66°F) |
24°C (75°F) |
25°C (77°F) |
29°C (84°F) |
31°C (88°F) |
31°C (88°F) |
27°C (80°F) |
21°C (70°F) |
16°C (62°F) |
14°C (58°F) |
| Average high | 9°C (48°F) |
10°C (51°F) |
12°C (54°F) |
16°C (60°F) |
18°C (65°F) |
21°C (71°F) |
23°C (74°F) |
23°C (73°F) |
21°C (70°F) |
16°C (62°F) |
12°C (54°F) |
10°C (50°F) |
| Daily mean | 6°C (43°F) |
7°C (45°F) |
8°C (47°F) |
11°C (52°F) |
14°C (57°F) |
17°C (63°F) |
19°C (66°F) |
18°C (64°F) |
16°C (61°F) |
13°C (55°F) |
8°C (48°F) |
7°C (46°F) |
| Average low | 3°C (38°F) |
4°C (39°F) |
5°C (41°F) |
6°C (43°F) |
9°C (48°F) |
12°C (54°F) |
14°C (57°F) |
13°C (56°F) |
11°C (53°F) |
9°C (49°F) |
5°C (42°F) |
5°C (41°F) |
| Mean minimum | -3°C (27°F) |
-3°C (27°F) |
-2°C (29°F) |
-0°C (32°F) |
3°C (37°F) |
7°C (45°F) |
10°C (50°F) |
8°C (47°F) |
6°C (43°F) |
3°C (38°F) |
-0°C (32°F) |
-2°C (28°F) |
| Minimum | -8°C (19°F) |
-6°C (21°F) |
-7°C (19°F) |
-2°C (28°F) |
-1°C (30°F) |
6°C (43°F) |
8°C (46°F) |
7°C (45°F) |
5°C (41°F) |
1°C (34°F) |
-1°C (30°F) |
-4°C (26°F) |
Compare temperature, precipitation, sunshine, UV index in Saint-Malo-des-Trois-Fontaines, Brittany, France with other places around the world.
Saint-Malo-des-Trois-Fontaines usually has the most precipitation in June, October and December, with an average of 12 rainy days and 94 mm (3.7 inches) of precipitation per month. The driest months in Saint-Malo-des-Trois-Fontaines are January, July and September. On average, 44 mm (1.7 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 43 (1.7) | 64 (2.5) | 58 (2.3) | 47 (1.9) | 68 (2.7) | 101 (4.0) | 46 (1.8) | 50 (1.9) | 43 (1.7) | 87 (3.4) | 67 (2.7) | 92 (3.6) |
| Average precipitation days (≥ 1 mm) | 8 | 12 | 12 | 8 | 11 | 11 | 8 | 9 | 8 | 11 | 11 | 15 |
The sunniest months in Saint-Malo-des-Trois-Fontaines are May, June and July, when the sun shines an average of 13 hours 28 minutes a day. Least sunny months in Saint-Malo-des-Trois-Fontaines: January, February and December receive an average of 5 hours 55 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 142 | 205 | 294 | 357 | 408 | 402 | 428 | 396 | 333 | 276 | 227 | 191 |
| Mean daily daylight hours | 8h 51m | 10h 13m | 11h 55m | 13h 41m | 15h 11m | 15h 58m | 15h 33m | 14h 12m | 12h 31m | 10h 46m | 9h 14m | 8h 25m |
Saint-Malo-des-Trois-Fontaines experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Saint-Malo-des-Trois-Fontaines UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 2 |
Discover in-depth weather details for every month in Saint-Malo-des-Trois-Fontaines. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Saint-Malo-des-Trois-Fontaines's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.