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Monthly climate in Sarnen, Switzerland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sarnen features a oceanic climate (Cfb).Temperatures typically range between 0 °C (32 °F) and 18 °C (64 °F) through the year, but rarely can drop to -17 °C (2 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 1801 mm (70.9 inches) and receives 184 rainy days on the 1 mm (0.04 inches) threshold annually.Sarnen enjoys an average of 3605 hours of sunshine throughout the year, and daylight varies from 8 hours 33 minutes to 15 hours 48 minutes per day.

Monthly average temperatures in Sarnen, Switzerland §

The warmest months in Sarnen are June, July and August, with daily mean temperatures ranging from 16 to 18 °C (62 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 2 °C (32 - 36 °F) throughout the day. On average each year, Sarnen experiences 18 days above 25 °C (77.0 °F) and 82 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sarnen, 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 12°C
(54°F)		 16°C
(62°F)		 18°C
(65°F)		 23°C
(73°F)		 28°C
(83°F)		 32°C
(90°F)		 31°C
(89°F)		 30°C
(87°F)		 25°C
(78°F)		 21°C
(70°F)		 20°C
(68°F)		 11°C
(53°F)
Mean maximum 8°C
(47°F)		 13°C
(56°F)		 16°C
(61°F)		 20°C
(69°F)		 24°C
(75°F)		 26°C
(79°F)		 28°C
(83°F)		 29°C
(85°F)		 24°C
(76°F)		 20°C
(67°F)		 16°C
(60°F)		 10°C
(51°F)
Average high 3°C
(37°F)		 6°C
(43°F)		 9°C
(48°F)		 13°C
(56°F)		 16°C
(60°F)		 21°C
(70°F)		 22°C
(72°F)		 22°C
(72°F)		 18°C
(65°F)		 14°C
(57°F)		 7°C
(45°F)		 4°C
(39°F)
Daily mean 0°C
(32°F)		 2°C
(36°F)		 4°C
(40°F)		 8°C
(46°F)		 11°C
(52°F)		 16°C
(62°F)		 18°C
(64°F)		 18°C
(64°F)		 14°C
(58°F)		 10°C
(50°F)		 5°C
(41°F)		 2°C
(35°F)
Average low -2°C
(28°F)		 -1°C
(30°F)		 0°C
(32°F)		 3°C
(37°F)		 7°C
(44°F)		 11°C
(53°F)		 13°C
(56°F)		 14°C
(57°F)		 11°C
(51°F)		 7°C
(44°F)		 3°C
(37°F)		 -0°C
(31°F)
Mean minimum -7°C
(19°F)		 -8°C
(17°F)		 -6°C
(21°F)		 -4°C
(25°F)		 1°C
(33°F)		 6°C
(44°F)		 9°C
(49°F)		 9°C
(48°F)		 5°C
(42°F)		 2°C
(36°F)		 -3°C
(27°F)		 -6°C
(21°F)
Minimum -13°C
(10°F)		 -17°C
(2°F)		 -13°C
(8°F)		 -6°C
(21°F)		 -6°C
(21°F)		 5°C
(41°F)		 8°C
(47°F)		 8°C
(46°F)		 3°C
(37°F)		 1°C
(34°F)		 -4°C
(26°F)		 -9°C
(16°F)

Compare climate in Sarnen with other places

Compare temperature, precipitation, sunshine, UV index in Sarnen, Switzerland with other places around the world.

Monthly average precipitation in Sarnen, Switzerland §

Sarnen usually has the most precipitation in June, July and August, with an average of 17 rainy days and 198 mm (7.8 inches) of precipitation per month.The driest months in Sarnen are February, April and November. On average, 102 mm (4.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sarnen, 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) 138 (5.4) 107 (4.2) 126 (5.0) 102 (4.0) 172 (6.8) 202 (8.0) 199 (7.8) 193 (7.6) 138 (5.4) 158 (6.2) 97 (3.8) 169 (6.6)
Average precipitation days (≥ 1 mm) 13 12 16 12 19 18 18 16 15 14 13 18

Monthly sunshine hours in Sarnen, Switzerland §

The sunniest months in Sarnen are June, July and August, when the sun shines an average of 12 hours 51 minutes a day.Least sunny months in Sarnen: January, November and December receive an average of 6 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sarnen, 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 164 227 299 357 369 384 414 383 320 278 218 184
Mean daily daylight hours 8h 58m 10h 17m 11h 56m 13h 37m 15h 4m 15h 48m 15h 25m 14h 7m 12h 30m 10h 49m 9h 20m 8h 33m

Solar UV radiation in Sarnen, Switzerland §

Sarnen 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, February 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 Sarnen UV Index data.

Average daily maximum UV levels by month for Sarnen, 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) 2 3 5 6 8 9 9 8 6 4 3 2