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Monthly climate in Saint-Martin, Valais, Switzerland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Saint-Martin features a ice cap climate ET).Temperatures typically range between -9 °C (16 °F) and 14 °C (57 °F) through the year, but rarely can drop to -30 °C (-22 °F) or can rise to as high as 28 °C (82 °F).The average annual precipitation amounts to about 1485 mm (58.5 inches) and receives 170 rainy days on the 1 mm (0.04 inches) threshold annually.Saint-Martin enjoys an average of 3659 hours of sunshine throughout the year, and daylight varies from 8 hours 39 minutes to 15 hours 42 minutes per day.

Monthly average temperatures in Saint-Martin, Valais, Switzerland §

The warmest months in Saint-Martin are June, July and August, with daily mean temperatures ranging from 12 to 14 °C (53 - 57 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -5 °C (16 - 23 °F) throughout the day. On average each year, Saint-Martin experiences 2 days above 25 °C (77.0 °F) and 184 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-Martin, Valais, Switzerland.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 6°C
(44°F)		 11°C
(52°F)		 14°C
(57°F)		 17°C
(63°F)		 22°C
(72°F)		 27°C
(81°F)		 28°C
(82°F)		 26°C
(80°F)		 22°C
(72°F)		 18°C
(64°F)		 14°C
(58°F)		 7°C
(45°F)
Mean maximum 2°C
(36°F)		 8°C
(47°F)		 10°C
(51°F)		 14°C
(57°F)		 18°C
(64°F)		 22°C
(72°F)		 25°C
(77°F)		 25°C
(78°F)		 20°C
(69°F)		 16°C
(61°F)		 10°C
(51°F)		 4°C
(39°F)
Average high -4°C
(25°F)		 0°C
(33°F)		 3°C
(38°F)		 8°C
(46°F)		 11°C
(52°F)		 17°C
(63°F)		 19°C
(66°F)		 19°C
(66°F)		 15°C
(59°F)		 10°C
(50°F)		 3°C
(37°F)		 -4°C
(25°F)
Daily mean -9°C
(16°F)		 -5°C
(23°F)		 -2°C
(29°F)		 3°C
(37°F)		 6°C
(43°F)		 12°C
(53°F)		 14°C
(57°F)		 13°C
(56°F)		 9°C
(49°F)		 5°C
(41°F)		 -2°C
(29°F)		 -8°C
(18°F)
Average low -14°C
(7°F)		 -10°C
(14°F)		 -7°C
(20°F)		 -2°C
(28°F)		 1°C
(34°F)		 6°C
(44°F)		 8°C
(47°F)		 8°C
(46°F)		 4°C
(40°F)		 0°C
(33°F)		 -6°C
(22°F)		 -12°C
(11°F)
Mean minimum -24°C
(-10°F)		 -19°C
(-2°F)		 -18°C
(0°F)		 -11°C
(12°F)		 -6°C
(21°F)		 -0°C
(32°F)		 3°C
(38°F)		 2°C
(35°F)		 -2°C
(29°F)		 -5°C
(24°F)		 -16°C
(4°F)		 -23°C
(-9°F)
Minimum -27°C
(-17°F)		 -23°C
(-8°F)		 -25°C
(-12°F)		 -17°C
(1°F)		 -16°C
(4°F)		 -4°C
(25°F)		 1°C
(34°F)		 1°C
(34°F)		 -5°C
(23°F)		 -6°C
(21°F)		 -23°C
(-10°F)		 -30°C
(-22°F)

Compare climate in Saint-Martin with other places

Compare temperature, precipitation, sunshine, UV index in Saint-Martin, Valais, Switzerland with other places around the world.

Monthly average precipitation in Saint-Martin, Valais, Switzerland §

Saint-Martin usually has the most precipitation in January, May and December, with an average of 15 rainy days and 161 mm (6.3 inches) of precipitation per month.The driest months in Saint-Martin are February, April and September. On average, 89 mm (3.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Saint-Martin, Valais, Switzerland.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) 135 (5.3) 95 (3.8) 122 (4.8) 81 (3.2) 160 (6.3) 130 (5.1) 121 (4.8) 129 (5.1) 90 (3.6) 135 (5.3) 98 (3.8) 188 (7.4)
Average precipitation days (≥ 1 mm) 10 11 15 11 20 16 16 16 12 13 14 16

Monthly sunshine hours in Saint-Martin, Valais, Switzerland §

The sunniest months in Saint-Martin are June, July and August, when the sun shines an average of 12 hours 53 minutes a day.Least sunny months in Saint-Martin: January, November and December receive an average of 6 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Saint-Martin, Valais, Switzerland.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 175 234 303 354 359 387 416 382 323 288 231 202
Mean daily daylight hours 9h 3m 10h 20m 11h 56m 13h 35m 14h 59m 15h 42m 15h 19m 14h 4m 12h 29m 10h 51m 9h 24m 8h 39m

Solar UV radiation in Saint-Martin, Valais, Switzerland §

Saint-Martin experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Saint-Martin UV Index data.

Average daily maximum UV levels by month for Saint-Martin, Valais, Switzerland.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) 3 4 7 8 10 11 10 9 7 6 3 2