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Monthly climate in De Bilt, Netherlands

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification De Bilt 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 -11 °C (12 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 828 mm (32.6 inches) and receives 151 rainy days on the 1 mm (0.04 inches) threshold annually. De Bilt enjoys an average of 3417 hours of sunshine throughout the year, and daylight varies from 7 hours 48 minutes to 16 hours 38 minutes per day.

Monthly average temperatures in De Bilt, Netherlands

The warmest months in De Bilt are June, July and August, with daily mean temperatures ranging from 18 to 19 °C (64 - 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, De Bilt experiences 21 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 De Bilt. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(58°F)		18°C
(65°F)		21°C
(71°F)		27°C
(82°F)		31°C
(89°F)		33°C
(91°F)		39°C
(102°F)		34°C
(94°F)		31°C
(88°F)		26°C
(79°F)		19°C
(66°F)		14°C
(58°F)
Mean maximum12°C
(54°F)		15°C
(58°F)		18°C
(65°F)		23°C
(75°F)		26°C
(80°F)		28°C
(83°F)		31°C
(87°F)		31°C
(88°F)		27°C
(80°F)		22°C
(72°F)		16°C
(61°F)		13°C
(56°F)
Average high6°C
(44°F)		8°C
(46°F)		11°C
(51°F)		14°C
(58°F)		18°C
(65°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)		19°C
(67°F)		15°C
(60°F)		10°C
(50°F)		7°C
(46°F)
Daily mean4°C
(40°F)		5°C
(41°F)		7°C
(45°F)		10°C
(50°F)		13°C
(56°F)		18°C
(64°F)		19°C
(66°F)		19°C
(66°F)		15°C
(59°F)		12°C
(54°F)		7°C
(46°F)		5°C
(42°F)
Average low2°C
(36°F)		2°C
(36°F)		3°C
(38°F)		5°C
(41°F)		9°C
(48°F)		13°C
(56°F)		14°C
(57°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
(26°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)		-3°C
(28°F)
Minimum-8°C
(17°F)		-11°C
(12°F)		-8°C
(18°F)		-4°C
(26°F)		1°C
(33°F)		8°C
(47°F)		7°C
(46°F)		8°C
(46°F)		3°C
(37°F)		1°C
(35°F)		-3°C
(28°F)		-4°C
(25°F)

Compare climate in De Bilt with other places

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

Monthly average precipitation in De Bilt, Netherlands

De Bilt usually has the most precipitation in August, October and December, with an average of 14 rainy days and 85 mm (3.3 inches) of precipitation per month. The driest months in De Bilt are January, April and November. On average, 50 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in De Bilt. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)60 (2.4)72 (2.8)72 (2.8)38 (1.5)63 (2.5)73 (2.9)72 (2.8)81 (3.2)70 (2.8)86 (3.4)52 (2.0)87 (3.4)
Average precipitation days (≥ 1 mm)13121591211131411131117

Monthly sunshine hours in De Bilt, Netherlands

The sunniest months in De Bilt are May, June and July, when the sun shines an average of 13 hours 12 minutes a day. Least sunny months in De Bilt: January, November and December receive an average of 4 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in De Bilt. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours114197269352401401411389321238189131
Mean daily daylight hours8h 19m9h 56m11h 54m13h 56m15h 42m16h 38m16h 8m14h 33m12h 35m10h 35m8h 46m7h 48m

Solar UV radiation in De Bilt, Netherlands

De Bilt 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 De Bilt UV Index data.

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