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Monthly climate in Delemont, Switzerland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Delemont features a oceanic climate (Cfb).Temperatures typically range between 1 °C (33 °F) and 19 °C (67 °F) through the year, but rarely can drop to -14 °C (8 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 1356 mm (53.4 inches) and receives 175 rainy days on the 1 mm (0.04 inches) threshold annually.Delemont enjoys an average of 3620 hours of sunshine throughout the year, and daylight varies from 8 hours 32 minutes to 15 hours 50 minutes per day.

Monthly average temperatures in Delemont, Switzerland §

The warmest months in Delemont are June, July and August, with daily mean temperatures ranging from 18 to 19 °C (64 - 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 (33 - 38 °F) throughout the day. On average each year, Delemont experiences 36 days above 25 °C (77.0 °F) and 77 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Delemont, 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 15°C
(59°F)		 17°C
(64°F)		 21°C
(69°F)		 25°C
(77°F)		 29°C
(85°F)		 33°C
(92°F)		 35°C
(95°F)		 33°C
(92°F)		 29°C
(84°F)		 23°C
(73°F)		 20°C
(68°F)		 13°C
(56°F)
Mean maximum 10°C
(51°F)		 15°C
(59°F)		 18°C
(65°F)		 22°C
(72°F)		 26°C
(79°F)		 28°C
(83°F)		 31°C
(88°F)		 31°C
(88°F)		 27°C
(81°F)		 21°C
(70°F)		 16°C
(61°F)		 12°C
(54°F)
Average high 3°C
(39°F)		 7°C
(45°F)		 10°C
(51°F)		 15°C
(59°F)		 17°C
(63°F)		 23°C
(73°F)		 24°C
(76°F)		 24°C
(75°F)		 20°C
(68°F)		 15°C
(59°F)		 8°C
(46°F)		 5°C
(41°F)
Daily mean 1°C
(33°F)		 3°C
(38°F)		 5°C
(42°F)		 9°C
(49°F)		 13°C
(55°F)		 18°C
(64°F)		 19°C
(67°F)		 19°C
(66°F)		 15°C
(59°F)		 10°C
(50°F)		 4°C
(40°F)		 2°C
(36°F)
Average low -2°C
(29°F)		 -0°C
(32°F)		 1°C
(34°F)		 4°C
(39°F)		 8°C
(46°F)		 13°C
(55°F)		 14°C
(57°F)		 14°C
(57°F)		 10°C
(50°F)		 6°C
(43°F)		 2°C
(36°F)		 0°C
(32°F)
Mean minimum -7°C
(20°F)		 -8°C
(18°F)		 -5°C
(23°F)		 -4°C
(26°F)		 2°C
(36°F)		 7°C
(44°F)		 10°C
(49°F)		 8°C
(47°F)		 4°C
(39°F)		 1°C
(33°F)		 -2°C
(28°F)		 -5°C
(23°F)
Minimum -14°C
(8°F)		 -13°C
(8°F)		 -13°C
(9°F)		 -5°C
(23°F)		 -1°C
(30°F)		 5°C
(41°F)		 8°C
(46°F)		 6°C
(44°F)		 1°C
(34°F)		 -2°C
(29°F)		 -4°C
(25°F)		 -8°C
(18°F)

Compare climate in Delemont with other places

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

Monthly average precipitation in Delemont, Switzerland §

Delemont usually has the most precipitation in May, July and August, with an average of 16 rainy days and 153 mm (6.0 inches) of precipitation per month.The driest months in Delemont are April, September and November. On average, 77 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Delemont, 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) 98 (3.9) 84 (3.3) 100 (3.9) 67 (2.6) 156 (6.1) 141 (5.6) 150 (5.9) 152 (6.0) 82 (3.2) 104 (4.1) 84 (3.3) 138 (5.4)
Average precipitation days (≥ 1 mm) 13 12 16 11 18 17 15 16 12 13 13 19

Monthly sunshine hours in Delemont, Switzerland §

The sunniest months in Delemont are June, July and August, when the sun shines an average of 13 hours 2 minutes a day.Least sunny months in Delemont: 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 Delemont, 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 57m 10h 16m 11h 56m 13h 38m 15h 5m 15h 50m 15h 26m 14h 8m 12h 30m 10h 49m 9h 19m 8h 32m

Solar UV radiation in Delemont, Switzerland §

Delemont 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 Delemont UV Index data.

Average daily maximum UV levels by month for Delemont, 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