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Monthly climate in Heihoek, Netherlands

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Heihoek features a oceanic climate (Cfb). Temperatures typically range between 4 °C (40 °F) and 19 °C (66 °F) through the year, but rarely can drop to -12 °C (12 °F) or can rise to as high as 40 °C (103 °F). The average annual precipitation amounts to about 817 mm (32.2 inches) and receives 147 rainy days on the 1 mm (0.04 inches) threshold annually. Heihoek enjoys an average of 3447 hours of sunshine throughout the year, and daylight varies from 7 hours 52 minutes to 16 hours 33 minutes per day.

Monthly average temperatures in Heihoek, Netherlands

The warmest months in Heihoek are June, July and August, with daily mean temperatures ranging from 18 to 19 °C (65 - 66 °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 - 42 °F) throughout the day. On average each year, Heihoek experiences 26 days above 25 °C (77.0 °F) and 28 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Heihoek. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(59°F)		19°C
(66°F)		22°C
(72°F)		28°C
(82°F)		32°C
(90°F)		34°C
(93°F)		40°C
(103°F)		35°C
(95°F)		32°C
(90°F)		26°C
(80°F)		19°C
(67°F)		15°C
(59°F)
Mean maximum12°C
(54°F)		15°C
(59°F)		19°C
(66°F)		24°C
(75°F)		27°C
(81°F)		29°C
(84°F)		31°C
(88°F)		31°C
(89°F)		28°C
(82°F)		22°C
(73°F)		16°C
(61°F)		14°C
(57°F)
Average high6°C
(44°F)		8°C
(47°F)		11°C
(52°F)		15°C
(58°F)		18°C
(65°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		20°C
(68°F)		16°C
(60°F)		10°C
(50°F)		7°C
(45°F)
Daily mean4°C
(40°F)		5°C
(41°F)		7°C
(45°F)		10°C
(50°F)		14°C
(57°F)		18°C
(65°F)		19°C
(66°F)		19°C
(66°F)		15°C
(60°F)		12°C
(54°F)		7°C
(45°F)		5°C
(42°F)
Average low2°C
(36°F)		2°C
(36°F)		3°C
(38°F)		5°C
(42°F)		9°C
(48°F)		14°C
(57°F)		14°C
(58°F)		14°C
(58°F)		11°C
(52°F)		9°C
(49°F)		5°C
(41°F)		3°C
(38°F)
Mean minimum-3°C
(27°F)		-4°C
(25°F)		-3°C
(27°F)		-1°C
(30°F)		2°C
(36°F)		9°C
(48°F)		9°C
(49°F)		9°C
(49°F)		5°C
(42°F)		4°C
(39°F)		-1°C
(30°F)		-2°C
(28°F)
Minimum-8°C
(18°F)		-12°C
(12°F)		-8°C
(19°F)		-4°C
(26°F)		0°C
(33°F)		8°C
(46°F)		8°C
(46°F)		8°C
(46°F)		3°C
(38°F)		2°C
(35°F)		-2°C
(28°F)		-4°C
(24°F)

Compare climate in Heihoek with other places

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

Monthly average precipitation in Heihoek, Netherlands

Heihoek usually has the most precipitation in July, October and December, with an average of 13 rainy days and 84 mm (3.3 inches) of precipitation per month. The driest months in Heihoek are April, September and November. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Heihoek. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)64 (2.5)73 (2.9)72 (2.8)34 (1.3)61 (2.4)69 (2.7)78 (3.1)77 (3.0)61 (2.4)87 (3.4)53 (2.1)88 (3.5)
Average precipitation days (≥ 1 mm)12131591310111411131115

Monthly sunshine hours in Heihoek, Netherlands

The sunniest months in Heihoek are May, June and July, when the sun shines an average of 13 hours 12 minutes a day. Least sunny months in Heihoek: January, November and December receive an average of 4 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Heihoek. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours119203276347402399413386321246194136
Mean daily daylight hours8h 22m9h 57m11h 55m13h 54m15h 39m16h 33m16h 4m14h 30m12h 35m10h 36m8h 49m7h 52m

Solar UV radiation in Heihoek, Netherlands

Heihoek 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 Heihoek UV Index data.

Average daily maximum UV levels by month for Heihoek. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124578875321