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Monthly climate in Ascona, Ticino, Switzerland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ascona features a subarctic climate (Dfc).Temperatures typically range between -2 °C (29 °F) and 17 °C (63 °F) through the year, but rarely can drop to -17 °C (2 °F) or can rise to as high as 34 °C (93 °F).The average annual precipitation amounts to about 1663 mm (65.5 inches) and receives 162 rainy days on the 1 mm (0.04 inches) threshold annually.Ascona enjoys an average of 3477 hours of sunshine throughout the year, and daylight varies from 8 hours 40 minutes to 15 hours 41 minutes per day.

Monthly average temperatures in Ascona, Ticino, Switzerland §

The warmest months in Ascona are June, July and August, with daily mean temperatures ranging from 15 to 17 °C (60 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 1 °C (29 - 34 °F) throughout the day. On average each year, Ascona experiences 8 days above 25 °C (77.0 °F) and 114 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ascona, Ticino, 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 9°C
(49°F)		 17°C
(63°F)		 18°C
(64°F)		 20°C
(68°F)		 25°C
(77°F)		 34°C
(93°F)		 27°C
(80°F)		 28°C
(82°F)		 23°C
(74°F)		 21°C
(69°F)		 15°C
(59°F)		 9°C
(49°F)
Mean maximum 7°C
(45°F)		 13°C
(56°F)		 15°C
(59°F)		 19°C
(66°F)		 21°C
(70°F)		 25°C
(77°F)		 26°C
(79°F)		 27°C
(80°F)		 22°C
(71°F)		 18°C
(64°F)		 12°C
(54°F)		 7°C
(45°F)
Average high 2°C
(37°F)		 5°C
(41°F)		 7°C
(46°F)		 12°C
(53°F)		 15°C
(59°F)		 20°C
(68°F)		 22°C
(71°F)		 21°C
(71°F)		 17°C
(63°F)		 13°C
(55°F)		 6°C
(44°F)		 2°C
(36°F)
Daily mean -2°C
(29°F)		 1°C
(34°F)		 3°C
(37°F)		 7°C
(44°F)		 11°C
(51°F)		 15°C
(60°F)		 17°C
(63°F)		 17°C
(62°F)		 13°C
(55°F)		 8°C
(47°F)		 3°C
(38°F)		 -1°C
(31°F)
Average low -5°C
(23°F)		 -3°C
(27°F)		 -2°C
(28°F)		 2°C
(36°F)		 6°C
(43°F)		 10°C
(51°F)		 12°C
(54°F)		 12°C
(54°F)		 9°C
(48°F)		 5°C
(41°F)		 0°C
(32°F)		 -4°C
(26°F)
Mean minimum -12°C
(11°F)		 -11°C
(13°F)		 -10°C
(14°F)		 -5°C
(24°F)		 0°C
(32°F)		 6°C
(44°F)		 8°C
(47°F)		 8°C
(47°F)		 3°C
(38°F)		 0°C
(33°F)		 -7°C
(20°F)		 -10°C
(14°F)
Minimum -16°C
(4°F)		 -17°C
(2°F)		 -17°C
(3°F)		 -6°C
(21°F)		 -7°C
(21°F)		 5°C
(41°F)		 6°C
(44°F)		 7°C
(45°F)		 -1°C
(31°F)		 -1°C
(30°F)		 -9°C
(16°F)		 -13°C
(10°F)

Compare climate in Ascona with other places

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

Monthly average precipitation in Ascona, Ticino, Switzerland §

Ascona usually has the most precipitation in May, August and October, with an average of 14 rainy days and 196 mm (7.7 inches) of precipitation per month.The driest months in Ascona are January, February and March. On average, 78 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ascona, Ticino, 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) 71 (2.8) 56 (2.2) 106 (4.2) 136 (5.3) 176 (6.9) 159 (6.3) 123 (4.9) 169 (6.6) 136 (5.4) 242 (9.5) 168 (6.6) 119 (4.7)
Average precipitation days (≥ 1 mm) 10 11 12 10 19 18 18 13 14 12 13 12

Monthly sunshine hours in Ascona, Ticino, Switzerland §

The sunniest months in Ascona are June, July and August, when the sun shines an average of 12 hours 26 minutes a day.Least sunny months in Ascona: January, November and December receive an average of 6 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ascona, Ticino, 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 173 225 300 330 349 378 403 361 302 264 193 192
Mean daily daylight hours 9h 4m 10h 20m 11h 56m 13h 34m 14h 58m 15h 41m 15h 18m 14h 4m 12h 29m 10h 52m 9h 25m 8h 40m

Solar UV radiation in Ascona, Ticino, Switzerland §

Ascona experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High 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 Ascona UV Index data.

Average daily maximum UV levels by month for Ascona, Ticino, 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 4 6 8 9 10 10 9 7 5 3 2