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Monthly climate in Kollum, Friesland, Netherlands

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Kollum features a oceanic climate (Cfb).Temperatures typically range between 4 °C (40 °F) and 18 °C (64 °F) through the year, but rarely can drop to -10 °C (15 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 830 mm (32.7 inches) and receives 151 rainy days on the 1 mm (0.04 inches) threshold annually.Kollum enjoys an average of 3395 hours of sunshine throughout the year, and daylight varies from 7 hours 34 minutes to 16 hours 53 minutes per day.

Monthly average temperatures in Kollum, Friesland, Netherlands §

The warmest months in Kollum are June, July and August, with daily mean temperatures ranging from 17 to 18 °C (62 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 5 °C (40 - 41 °F) throughout the day. On average each year, Kollum experiences 14 days above 25 °C (77.0 °F) and 30 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kollum, Friesland, Netherlands.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 13°C
(56°F)		 17°C
(63°F)		 19°C
(67°F)		 27°C
(81°F)		 29°C
(84°F)		 33°C
(92°F)		 35°C
(96°F)		 33°C
(92°F)		 29°C
(85°F)		 26°C
(79°F)		 18°C
(64°F)		 13°C
(55°F)
Mean maximum 11°C
(53°F)		 13°C
(56°F)		 17°C
(63°F)		 23°C
(74°F)		 25°C
(77°F)		 28°C
(82°F)		 29°C
(85°F)		 29°C
(85°F)		 26°C
(79°F)		 21°C
(69°F)		 15°C
(59°F)		 12°C
(53°F)
Average high 6°C
(43°F)		 7°C
(45°F)		 10°C
(49°F)		 13°C
(55°F)		 16°C
(62°F)		 21°C
(69°F)		 21°C
(71°F)		 22°C
(72°F)		 18°C
(65°F)		 15°C
(59°F)		 10°C
(50°F)		 7°C
(45°F)
Daily mean 4°C
(40°F)		 4°C
(40°F)		 6°C
(43°F)		 9°C
(48°F)		 12°C
(55°F)		 17°C
(62°F)		 18°C
(64°F)		 18°C
(64°F)		 15°C
(59°F)		 12°C
(53°F)		 7°C
(45°F)		 5°C
(41°F)
Average low 2°C
(36°F)		 2°C
(36°F)		 3°C
(37°F)		 4°C
(40°F)		 8°C
(47°F)		 12°C
(54°F)		 14°C
(57°F)		 14°C
(57°F)		 11°C
(52°F)		 9°C
(49°F)		 5°C
(41°F)		 3°C
(38°F)
Mean minimum -4°C
(25°F)		 -4°C
(25°F)		 -3°C
(27°F)		 -1°C
(30°F)		 2°C
(35°F)		 7°C
(45°F)		 9°C
(48°F)		 10°C
(50°F)		 6°C
(44°F)		 3°C
(37°F)		 -1°C
(31°F)		 -3°C
(26°F)
Minimum -7°C
(19°F)		 -10°C
(15°F)		 -9°C
(15°F)		 -2°C
(29°F)		 1°C
(33°F)		 6°C
(43°F)		 8°C
(47°F)		 10°C
(50°F)		 5°C
(42°F)		 -1°C
(31°F)		 -1°C
(30°F)		 -7°C
(19°F)

Compare climate in Kollum with other places

Compare temperature, precipitation, sunshine, UV index in Kollum, Friesland, Netherlands with other places around the world.

Monthly average precipitation in Kollum, Friesland, Netherlands §

Kollum usually has the most precipitation in July, August and October, with an average of 14 rainy days and 90 mm (3.5 inches) of precipitation per month.The driest months in Kollum are February, April and November. On average, 50 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kollum, Friesland, Netherlands.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) 58 (2.3) 57 (2.2) 65 (2.6) 42 (1.7) 68 (2.7) 77 (3.0) 95 (3.7) 90 (3.5) 68 (2.7) 85 (3.3) 51 (2.0) 74 (2.9)
Average precipitation days (≥ 1 mm) 13 10 13 9 13 11 13 16 12 15 11 15

Monthly sunshine hours in Kollum, Friesland, Netherlands §

The sunniest months in Kollum are May, June and July, when the sun shines an average of 13 hours 5 minutes a day.Least sunny months in Kollum: January, November and December receive an average of 4 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kollum, Friesland, Netherlands.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 98 198 277 351 403 395 405 389 319 239 185 131
Mean daily daylight hours 8h 7m 9h 49m 11h 54m 14h 1m 15h 54m 16h 53m 16h 21m 14h 40m 12h 37m 10h 30m 8h 36m 7h 34m

Solar UV radiation in Kollum, Friesland, Netherlands §

Kollum experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure.January, February 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 Kollum UV Index data.

Average daily maximum UV levels by month for Kollum, Friesland, Netherlands.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) 1 2 3 5 7 8 7 7 5 3 2 1