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Monthly climate in Achlum, Netherlands

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Achlum features a oceanic climate (Cfb). Temperatures typically range between 5 °C (41 °F) and 18 °C (66 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 29 °C (85 °F). The average annual precipitation amounts to about 943 mm (37.1 inches) and receives 164 rainy days on the 1 mm (0.04 inches) threshold annually. Achlum enjoys an average of 3508 hours of sunshine throughout the year, and daylight varies from 7 hours 35 minutes to 16 hours 52 minutes per day.

Monthly average temperatures in Achlum, Netherlands

The warmest months in Achlum are June, July and August, with daily mean temperatures ranging from 16 to 18 °C (62 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 5 to 6 °C (41 - 43 °F) throughout the day. On average each year, Achlum experiences 3 days above 25 °C (77.0 °F) and 9 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Achlum. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum11°C
(51°F)		11°C
(53°F)		15°C
(58°F)		20°C
(67°F)		24°C
(75°F)		29°C
(85°F)		29°C
(85°F)		29°C
(84°F)		24°C
(75°F)		20°C
(69°F)		16°C
(61°F)		11°C
(51°F)
Mean maximum9°C
(49°F)		10°C
(50°F)		12°C
(53°F)		16°C
(61°F)		20°C
(68°F)		23°C
(74°F)		25°C
(78°F)		25°C
(77°F)		22°C
(71°F)		18°C
(65°F)		14°C
(57°F)		10°C
(50°F)
Average high6°C
(43°F)		6°C
(43°F)		7°C
(46°F)		10°C
(51°F)		14°C
(57°F)		18°C
(65°F)		19°C
(67°F)		20°C
(68°F)		17°C
(63°F)		14°C
(58°F)		10°C
(50°F)		7°C
(45°F)
Daily mean5°C
(41°F)		5°C
(41°F)		6°C
(43°F)		9°C
(48°F)		12°C
(54°F)		16°C
(62°F)		18°C
(64°F)		18°C
(66°F)		16°C
(61°F)		13°C
(55°F)		9°C
(48°F)		6°C
(43°F)
Average low4°C
(39°F)		3°C
(38°F)		5°C
(40°F)		7°C
(45°F)		11°C
(51°F)		15°C
(59°F)		16°C
(61°F)		17°C
(63°F)		14°C
(58°F)		12°C
(53°F)		7°C
(46°F)		5°C
(41°F)
Mean minimum-0°C
(31°F)		-1°C
(30°F)		0°C
(33°F)		3°C
(37°F)		6°C
(44°F)		11°C
(52°F)		14°C
(57°F)		14°C
(57°F)		11°C
(53°F)		8°C
(46°F)		3°C
(37°F)		0°C
(33°F)
Minimum-2°C
(28°F)		-6°C
(21°F)		-7°C
(19°F)		2°C
(36°F)		5°C
(41°F)		10°C
(50°F)		13°C
(56°F)		13°C
(55°F)		11°C
(52°F)		5°C
(42°F)		2°C
(35°F)		-3°C
(27°F)

Compare climate in Achlum with other places

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

Monthly average precipitation in Achlum, Netherlands

Achlum usually has the most precipitation in August, October and December, with an average of 17 rainy days and 108 mm (4.3 inches) of precipitation per month. The driest months in Achlum are April, May and November. On average, 52 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Achlum. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)66 (2.6)66 (2.6)69 (2.7)35 (1.4)59 (2.3)80 (3.1)87 (3.4)122 (4.8)93 (3.7)106 (4.2)63 (2.5)97 (3.8)
Average precipitation days (≥ 1 mm)14131391210131613181518

Monthly sunshine hours in Achlum, Netherlands

The sunniest months in Achlum are May, June and July, when the sun shines an average of 13 hours 31 minutes a day. Least sunny months in Achlum: January, November and December receive an average of 4 hours 48 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Achlum. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours107201290359413410419398328244194140
Mean daily daylight hours8h 8m9h 50m11h 54m14h 1m15h 53m16h 52m16h 20m14h 39m12h 37m10h 31m8h 37m7h 35m

Solar UV radiation in Achlum, Netherlands

Achlum experiences the highest level of ultraviolet (UV) radiation in June, July 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 Achlum UV Index data.

Average daily maximum UV levels by month for Achlum. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)123578875321