nomadseason

Monthly climate in Grenchen, Solothurn, Switzerland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Grenchen 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 -13 °C (9 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 1297 mm (51.1 inches) and receives 178 rainy days on the 1 mm (0.04 inches) threshold annually.Grenchen enjoys an average of 3618 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 Grenchen, Solothurn, Switzerland §

The warmest months in Grenchen 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 (33 - 38 °F) throughout the day. On average each year, Grenchen experiences 37 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 Grenchen, Solothurn, 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
(61°F)		 18°C
(64°F)		 21°C
(69°F)		 25°C
(78°F)		 29°C
(85°F)		 34°C
(93°F)		 35°C
(95°F)		 33°C
(91°F)		 29°C
(84°F)		 23°C
(73°F)		 20°C
(68°F)		 13°C
(57°F)
Mean maximum 10°C
(51°F)		 15°C
(60°F)		 18°C
(65°F)		 23°C
(73°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
(62°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)		 24°C
(76°F)		 24°C
(76°F)		 20°C
(68°F)		 15°C
(59°F)		 8°C
(46°F)		 5°C
(40°F)
Daily mean 1°C
(33°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
(50°F)		 4°C
(40°F)		 2°C
(36°F)
Average low -2°C
(29°F)		 -0°C
(32°F)		 1°C
(35°F)		 4°C
(40°F)		 8°C
(47°F)		 13°C
(56°F)		 14°C
(58°F)		 14°C
(58°F)		 10°C
(51°F)		 6°C
(43°F)		 2°C
(36°F)		 0°C
(32°F)
Mean minimum -7°C
(20°F)		 -7°C
(20°F)		 -5°C
(24°F)		 -3°C
(26°F)		 2°C
(36°F)		 7°C
(45°F)		 10°C
(50°F)		 8°C
(47°F)		 4°C
(40°F)		 0°C
(33°F)		 -3°C
(28°F)		 -5°C
(24°F)
Minimum -13°C
(9°F)		 -11°C
(13°F)		 -13°C
(9°F)		 -4°C
(24°F)		 -1°C
(31°F)		 5°C
(41°F)		 8°C
(47°F)		 6°C
(44°F)		 2°C
(35°F)		 -2°C
(28°F)		 -5°C
(24°F)		 -7°C
(20°F)

Compare climate in Grenchen with other places

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

Monthly average precipitation in Grenchen, Solothurn, Switzerland §

Grenchen usually has the most precipitation in May, July and August, with an average of 16 rainy days and 145 mm (5.7 inches) of precipitation per month.The driest months in Grenchen are April, September and November. On average, 75 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grenchen, Solothurn, 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) 97 (3.8) 80 (3.1) 97 (3.8) 69 (2.7) 149 (5.9) 134 (5.3) 140 (5.5) 145 (5.7) 77 (3.0) 102 (4.0) 79 (3.1) 130 (5.1)
Average precipitation days (≥ 1 mm) 13 12 16 12 18 17 15 17 12 14 13 19

Monthly sunshine hours in Grenchen, Solothurn, Switzerland §

The sunniest months in Grenchen are June, July and August, when the sun shines an average of 12 hours 56 minutes a day.Least sunny months in Grenchen: January, November and December receive an average of 6 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grenchen, Solothurn, 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 161 226 297 357 369 387 417 385 324 281 223 185
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 Grenchen, Solothurn, Switzerland §

Grenchen 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 Grenchen UV Index data.

Average daily maximum UV levels by month for Grenchen, Solothurn, 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