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Monthly climate in Promontogno, Grisons, Switzerland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Promontogno features a ice cap climate ET).Temperatures typically range between -5 °C (24 °F) and 16 °C (61 °F) through the year, but rarely can drop to -22 °C (-7 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 1342 mm (52.8 inches) and receives 159 rainy days on the 1 mm (0.04 inches) threshold annually.Promontogno enjoys an average of 3571 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 Promontogno, Grisons, Switzerland §

The warmest months in Promontogno are June, July and August, with daily mean temperatures ranging from 14 to 16 °C (58 - 61 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -1 °C (24 - 30 °F) throughout the day. On average each year, Promontogno experiences 4 days above 25 °C (77.0 °F) and 140 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Promontogno, Grisons, 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
(43°F)		 14°C
(57°F)		 16°C
(61°F)		 18°C
(65°F)		 22°C
(72°F)		 31°C
(88°F)		 27°C
(81°F)		 28°C
(82°F)		 22°C
(72°F)		 19°C
(66°F)		 15°C
(58°F)		 7°C
(45°F)
Mean maximum 5°C
(41°F)		 11°C
(52°F)		 13°C
(56°F)		 16°C
(62°F)		 20°C
(68°F)		 24°C
(75°F)		 26°C
(78°F)		 26°C
(78°F)		 20°C
(69°F)		 16°C
(62°F)		 11°C
(52°F)		 6°C
(42°F)
Average high -0°C
(32°F)		 3°C
(38°F)		 6°C
(42°F)		 10°C
(50°F)		 13°C
(56°F)		 19°C
(66°F)		 21°C
(69°F)		 20°C
(69°F)		 16°C
(61°F)		 12°C
(53°F)		 5°C
(42°F)		 1°C
(33°F)
Daily mean -5°C
(24°F)		 -1°C
(30°F)		 1°C
(35°F)		 5°C
(42°F)		 9°C
(49°F)		 14°C
(58°F)		 16°C
(61°F)		 16°C
(61°F)		 12°C
(53°F)		 7°C
(46°F)		 2°C
(36°F)		 -3°C
(27°F)
Average low -9°C
(17°F)		 -5°C
(23°F)		 -3°C
(27°F)		 1°C
(34°F)		 5°C
(41°F)		 10°C
(50°F)		 11°C
(52°F)		 11°C
(52°F)		 8°C
(46°F)		 3°C
(38°F)		 -1°C
(30°F)		 -6°C
(21°F)
Mean minimum -17°C
(2°F)		 -13°C
(8°F)		 -11°C
(13°F)		 -5°C
(23°F)		 -1°C
(30°F)		 6°C
(42°F)		 7°C
(46°F)		 6°C
(44°F)		 1°C
(34°F)		 -2°C
(29°F)		 -10°C
(15°F)		 -14°C
(6°F)
Minimum -22°C
(-7°F)		 -20°C
(-3°F)		 -17°C
(1°F)		 -7°C
(19°F)		 -8°C
(18°F)		 3°C
(38°F)		 5°C
(41°F)		 5°C
(42°F)		 -2°C
(28°F)		 -5°C
(23°F)		 -14°C
(6°F)		 -17°C
(3°F)

Compare climate in Promontogno with other places

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

Monthly average precipitation in Promontogno, Grisons, Switzerland §

Promontogno usually has the most precipitation in May, August and October, with an average of 15 rainy days and 151 mm (5.9 inches) of precipitation per month.The driest months in Promontogno are January, February and March. On average, 61 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Promontogno, Grisons, 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) 50 (2.0) 49 (1.9) 83 (3.3) 112 (4.4) 150 (5.9) 132 (5.2) 104 (4.1) 143 (5.6) 116 (4.6) 159 (6.2) 136 (5.3) 108 (4.3)
Average precipitation days (≥ 1 mm) 8 9 11 11 20 18 18 17 14 10 12 11

Monthly sunshine hours in Promontogno, Grisons, Switzerland §

The sunniest months in Promontogno are June, July and August, when the sun shines an average of 12 hours 38 minutes a day.Least sunny months in Promontogno: January, November and December receive an average of 6 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Promontogno, Grisons, 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 179 236 310 335 358 385 410 366 309 276 204 198
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 Promontogno, Grisons, Switzerland §

Promontogno 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 Promontogno UV Index data.

Average daily maximum UV levels by month for Promontogno, Grisons, 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 6 3 2