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Monthly climate in Hillegom, South Holland, Netherlands

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Hillegom features a oceanic climate (Cfb).Temperatures typically range between 5 °C (42 °F) and 19 °C (66 °F) through the year, but rarely can drop to -8 °C (19 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 939 mm (37.0 inches) and receives 162 rainy days on the 1 mm (0.04 inches) threshold annually.Hillegom enjoys an average of 3567 hours of sunshine throughout the year, and daylight varies from 7 hours 46 minutes to 16 hours 40 minutes per day.

Monthly average temperatures in Hillegom, South Holland, Netherlands §

The warmest months in Hillegom are June, July and August, with daily mean temperatures ranging from 17 to 19 °C (62 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 6 °C (42 - 44 °F) throughout the day. On average each year, Hillegom experiences 7 days above 25 °C (77.0 °F) and 11 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hillegom, South Holland, 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
(55°F)		 16°C
(60°F)		 18°C
(65°F)		 24°C
(75°F)		 27°C
(80°F)		 29°C
(84°F)		 33°C
(92°F)		 30°C
(86°F)		 27°C
(81°F)		 23°C
(74°F)		 17°C
(63°F)		 13°C
(55°F)
Mean maximum 11°C
(52°F)		 12°C
(55°F)		 15°C
(59°F)		 19°C
(67°F)		 22°C
(72°F)		 24°C
(76°F)		 27°C
(81°F)		 27°C
(80°F)		 24°C
(76°F)		 20°C
(69°F)		 15°C
(60°F)		 12°C
(54°F)
Average high 7°C
(44°F)		 7°C
(45°F)		 9°C
(49°F)		 12°C
(54°F)		 15°C
(60°F)		 19°C
(67°F)		 20°C
(69°F)		 21°C
(70°F)		 18°C
(65°F)		 15°C
(59°F)		 10°C
(51°F)		 8°C
(46°F)
Daily mean 5°C
(42°F)		 5°C
(42°F)		 7°C
(44°F)		 9°C
(49°F)		 13°C
(55°F)		 17°C
(62°F)		 18°C
(65°F)		 19°C
(66°F)		 16°C
(61°F)		 13°C
(56°F)		 9°C
(48°F)		 6°C
(44°F)
Average low 4°C
(39°F)		 3°C
(38°F)		 4°C
(40°F)		 6°C
(44°F)		 10°C
(50°F)		 14°C
(57°F)		 15°C
(60°F)		 16°C
(61°F)		 13°C
(56°F)		 11°C
(52°F)		 7°C
(45°F)		 5°C
(41°F)
Mean minimum -1°C
(31°F)		 -2°C
(29°F)		 -0°C
(32°F)		 2°C
(36°F)		 5°C
(41°F)		 10°C
(51°F)		 12°C
(54°F)		 13°C
(55°F)		 9°C
(49°F)		 6°C
(44°F)		 2°C
(36°F)		 -0°C
(32°F)
Minimum -4°C
(25°F)		 -8°C
(19°F)		 -7°C
(20°F)		 1°C
(35°F)		 4°C
(40°F)		 9°C
(49°F)		 11°C
(52°F)		 12°C
(53°F)		 8°C
(46°F)		 4°C
(39°F)		 1°C
(33°F)		 -2°C
(28°F)

Compare climate in Hillegom with other places

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

Monthly average precipitation in Hillegom, South Holland, Netherlands §

Hillegom usually has the most precipitation in September, October and December, with an average of 16 rainy days and 109 mm (4.3 inches) of precipitation per month.The driest months in Hillegom are January, April and May. On average, 55 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hillegom, South Holland, 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) 66 (2.6) 72 (2.8) 71 (2.8) 43 (1.7) 58 (2.3) 70 (2.8) 68 (2.7) 95 (3.7) 96 (3.8) 120 (4.7) 70 (2.8) 110 (4.3)
Average precipitation days (≥ 1 mm) 14 13 14 9 11 10 13 15 13 17 15 18

Monthly sunshine hours in Hillegom, South Holland, Netherlands §

The sunniest months in Hillegom are May, June and July, when the sun shines an average of 13 hours 49 minutes a day.Least sunny months in Hillegom: January, November and December receive an average of 4 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hillegom, South Holland, 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 117 201 290 366 418 422 430 402 330 244 199 142
Mean daily daylight hours 8h 18m 9h 55m 11h 54m 13h 57m 15h 44m 16h 40m 16h 10m 14h 33m 12h 36m 10h 34m 8h 45m 7h 46m

Solar UV radiation in Hillegom, South Holland, Netherlands §

Hillegom 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 Hillegom UV Index data.

Average daily maximum UV levels by month for Hillegom, South Holland, 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 4 5 7 8 8 7 5 3 2 1