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Monthly climate in Twann, Bern, Switzerland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Twann features a oceanic climate (Cfb).Temperatures typically range between 1 °C (34 °F) and 19 °C (67 °F) through the year, but rarely can drop to -15 °C (5 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 1177 mm (46.3 inches) and receives 164 rainy days on the 1 mm (0.04 inches) threshold annually.Twann enjoys an average of 3620 hours of sunshine throughout the year, and daylight varies from 8 hours 33 minutes to 15 hours 49 minutes per day.

Monthly average temperatures in Twann, Bern, Switzerland §

The warmest months in Twann are June, July and August, with daily mean temperatures ranging from 18 to 19 °C (65 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (34 - 38 °F) throughout the day. On average each year, Twann experiences 39 days above 25 °C (77.0 °F) and 72 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Twann, Bern, 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 16°C
(60°F)		 17°C
(64°F)		 20°C
(69°F)		 25°C
(77°F)		 29°C
(85°F)		 34°C
(93°F)		 35°C
(95°F)		 33°C
(92°F)		 29°C
(84°F)		 23°C
(73°F)		 20°C
(67°F)		 13°C
(56°F)
Mean maximum 10°C
(51°F)		 15°C
(59°F)		 18°C
(65°F)		 22°C
(73°F)		 26°C
(79°F)		 28°C
(83°F)		 31°C
(88°F)		 32°C
(89°F)		 27°C
(80°F)		 21°C
(70°F)		 16°C
(61°F)		 12°C
(54°F)
Average high 4°C
(39°F)		 7°C
(45°F)		 11°C
(51°F)		 15°C
(59°F)		 18°C
(64°F)		 23°C
(74°F)		 25°C
(77°F)		 24°C
(76°F)		 20°C
(68°F)		 15°C
(59°F)		 8°C
(46°F)		 5°C
(41°F)
Daily mean 1°C
(34°F)		 3°C
(38°F)		 6°C
(42°F)		 9°C
(49°F)		 13°C
(55°F)		 18°C
(65°F)		 19°C
(67°F)		 19°C
(66°F)		 15°C
(59°F)		 10°C
(51°F)		 5°C
(41°F)		 2°C
(36°F)
Average low -2°C
(29°F)		 -0°C
(32°F)		 1°C
(34°F)		 4°C
(40°F)		 8°C
(47°F)		 13°C
(56°F)		 14°C
(58°F)		 14°C
(58°F)		 11°C
(51°F)		 6°C
(44°F)		 2°C
(36°F)		 0°C
(32°F)
Mean minimum -7°C
(20°F)		 -6°C
(21°F)		 -5°C
(24°F)		 -3°C
(27°F)		 2°C
(36°F)		 7°C
(46°F)		 10°C
(51°F)		 9°C
(48°F)		 5°C
(41°F)		 2°C
(35°F)		 -2°C
(29°F)		 -5°C
(23°F)
Minimum -15°C
(5°F)		 -11°C
(13°F)		 -13°C
(9°F)		 -5°C
(23°F)		 -1°C
(31°F)		 7°C
(44°F)		 9°C
(49°F)		 8°C
(46°F)		 3°C
(38°F)		 -1°C
(31°F)		 -4°C
(26°F)		 -9°C
(16°F)

Compare climate in Twann with other places

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

Monthly average precipitation in Twann, Bern, Switzerland §

Twann usually has the most precipitation in May, July and December, with an average of 17 rainy days and 132 mm (5.2 inches) of precipitation per month.The driest months in Twann are April, September and November. On average, 68 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Twann, Bern, 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) 92 (3.6) 77 (3.0) 97 (3.8) 57 (2.3) 136 (5.4) 103 (4.0) 126 (5.0) 112 (4.4) 69 (2.7) 97 (3.8) 77 (3.0) 134 (5.3)
Average precipitation days (≥ 1 mm) 11 11 15 10 17 16 16 13 12 13 12 18

Monthly sunshine hours in Twann, Bern, Switzerland §

The sunniest months in Twann are June, July and August, when the sun shines an average of 13 hours 2 minutes a day.Least sunny months in Twann: January, November and December receive an average of 6 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Twann, Bern, 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 158 224 295 357 369 393 418 388 328 280 221 183
Mean daily daylight hours 8h 58m 10h 17m 11h 56m 13h 37m 15h 4m 15h 49m 15h 25m 14h 8m 12h 30m 10h 49m 9h 20m 8h 33m

Solar UV radiation in Twann, Bern, Switzerland §

Twann 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 Twann UV Index data.

Average daily maximum UV levels by month for Twann, Bern, 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 2 2