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Monthly climate in Saint-Malo, Brittany, France

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Saint-Malo features a oceanic climate (Cfb).Temperatures typically range between 8 °C (47 °F) and 18 °C (65 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 28 °C (83 °F).The average annual precipitation amounts to about 1051 mm (41.4 inches) and receives 158 rainy days on the 1 mm (0.04 inches) threshold annually.Saint-Malo enjoys an average of 3593 hours of sunshine throughout the year, and daylight varies from 8 hours 20 minutes to 16 hours 3 minutes per day.

Monthly average temperatures in Saint-Malo, Brittany, France §

The warmest months in Saint-Malo are July, August and September, with daily mean temperatures ranging from 17 to 18 °C (63 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 8 to 9 °C (47 - 48 °F) throughout the day. On average each year, Saint-Malo experiences 0 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Saint-Malo, Brittany, France.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 14°C
(58°F)		 14°C
(57°F)		 16°C
(60°F)		 18°C
(64°F)		 21°C
(71°F)		 27°C
(80°F)		 28°C
(83°F)		 25°C
(77°F)		 25°C
(78°F)		 21°C
(71°F)		 17°C
(63°F)		 14°C
(57°F)
Mean maximum 12°C
(54°F)		 13°C
(55°F)		 14°C
(57°F)		 16°C
(62°F)		 19°C
(66°F)		 21°C
(70°F)		 24°C
(76°F)		 23°C
(73°F)		 23°C
(74°F)		 20°C
(68°F)		 16°C
(61°F)		 13°C
(57°F)
Average high 9°C
(49°F)		 10°C
(49°F)		 10°C
(51°F)		 12°C
(54°F)		 14°C
(58°F)		 17°C
(63°F)		 19°C
(66°F)		 19°C
(67°F)		 18°C
(66°F)		 16°C
(61°F)		 13°C
(55°F)		 11°C
(51°F)
Daily mean 8°C
(47°F)		 8°C
(47°F)		 9°C
(48°F)		 11°C
(51°F)		 13°C
(56°F)		 16°C
(61°F)		 18°C
(64°F)		 18°C
(65°F)		 17°C
(63°F)		 15°C
(59°F)		 11°C
(53°F)		 9°C
(49°F)
Average low 7°C
(44°F)		 7°C
(45°F)		 8°C
(46°F)		 9°C
(49°F)		 12°C
(54°F)		 15°C
(59°F)		 17°C
(62°F)		 17°C
(63°F)		 16°C
(61°F)		 14°C
(57°F)		 10°C
(51°F)		 8°C
(47°F)
Mean minimum 3°C
(38°F)		 2°C
(36°F)		 4°C
(39°F)		 6°C
(43°F)		 9°C
(48°F)		 13°C
(55°F)		 15°C
(59°F)		 15°C
(59°F)		 13°C
(56°F)		 10°C
(51°F)		 6°C
(44°F)		 4°C
(39°F)
Minimum 1°C
(34°F)		 -1°C
(30°F)		 -2°C
(29°F)		 5°C
(42°F)		 8°C
(46°F)		 12°C
(53°F)		 14°C
(57°F)		 14°C
(57°F)		 12°C
(53°F)		 8°C
(47°F)		 5°C
(41°F)		 3°C
(37°F)

Compare climate in Saint-Malo with other places

Compare temperature, precipitation, sunshine, UV index in Saint-Malo, Brittany, France with other places around the world.

Monthly average precipitation in Saint-Malo, Brittany, France §

Saint-Malo usually has the most precipitation in October, November and December, with an average of 17 rainy days and 142 mm (5.6 inches) of precipitation per month.The driest months in Saint-Malo are April, July and August. On average, 50 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Saint-Malo, Brittany, France.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 88 (3.5) 90 (3.5) 70 (2.8) 40 (1.6) 67 (2.6) 74 (2.9) 46 (1.8) 63 (2.5) 86 (3.4) 140 (5.5) 122 (4.8) 164 (6.4)
Average precipitation days (≥ 1 mm) 14 15 15 8 11 11 9 11 11 17 16 20

Monthly sunshine hours in Saint-Malo, Brittany, France §

The sunniest months in Saint-Malo are May, June and July, when the sun shines an average of 13 hours 18 minutes a day.Least sunny months in Saint-Malo: January, February and December receive an average of 5 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Saint-Malo, Brittany, France.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 140 203 285 351 406 393 423 385 328 267 220 185
Mean daily daylight hours 8h 46m 10h 11m 11h 55m 13h 43m 15h 15m 16h 3m 15h 38m 14h 15m 12h 31m 10h 45m 9h 10m 8h 20m

Solar UV radiation in Saint-Malo, Brittany, France §

Saint-Malo 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 UV Index data.

Average daily maximum UV levels by month for Saint-Malo, Brittany, France.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  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 1