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Monthly climate in Welsum, Netherlands

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Welsum features a oceanic climate (Cfb). Temperatures typically range between 4 °C (39 °F) and 19 °C (66 °F) through the year, but rarely can drop to -14 °C (6 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 841 mm (33.1 inches) and receives 154 rainy days on the 1 mm (0.04 inches) threshold annually. Welsum enjoys an average of 3413 hours of sunshine throughout the year, and daylight varies from 7 hours 47 minutes to 16 hours 39 minutes per day.

Monthly average temperatures in Welsum, Netherlands

The warmest months in Welsum 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 (39 - 41 °F) throughout the day. On average each year, Welsum experiences 26 days above 25 °C (77.0 °F) and 34 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Welsum. 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)		28°C
(82°F)		31°C
(89°F)		34°C
(94°F)		39°C
(103°F)		35°C
(95°F)		31°C
(88°F)		26°C
(80°F)		19°C
(66°F)		14°C
(58°F)
Mean maximum12°C
(54°F)		14°C
(58°F)		18°C
(65°F)		24°C
(76°F)		27°C
(81°F)		29°C
(85°F)		31°C
(88°F)		31°C
(89°F)		27°C
(81°F)		22°C
(72°F)		16°C
(61°F)		13°C
(56°F)
Average high6°C
(43°F)		8°C
(46°F)		11°C
(51°F)		14°C
(58°F)		18°C
(65°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		19°C
(67°F)		15°C
(60°F)		10°C
(50°F)		7°C
(45°F)
Daily mean4°C
(39°F)		4°C
(40°F)		6°C
(44°F)		9°C
(49°F)		13°C
(56°F)		18°C
(65°F)		19°C
(66°F)		19°C
(66°F)		15°C
(59°F)		12°C
(54°F)		7°C
(45°F)		5°C
(41°F)
Average low2°C
(35°F)		2°C
(35°F)		3°C
(37°F)		4°C
(40°F)		8°C
(47°F)		13°C
(56°F)		14°C
(57°F)		14°C
(57°F)		10°C
(51°F)		9°C
(48°F)		4°C
(40°F)		3°C
(38°F)
Mean minimum-4°C
(26°F)		-5°C
(23°F)		-3°C
(27°F)		-2°C
(28°F)		1°C
(34°F)		8°C
(46°F)		8°C
(47°F)		9°C
(48°F)		5°C
(41°F)		3°C
(37°F)		-2°C
(30°F)		-3°C
(26°F)
Minimum-9°C
(16°F)		-14°C
(6°F)		-9°C
(17°F)		-3°C
(26°F)		-1°C
(31°F)		7°C
(44°F)		7°C
(45°F)		7°C
(45°F)		3°C
(38°F)		-0°C
(32°F)		-3°C
(26°F)		-5°C
(23°F)

Compare climate in Welsum with other places

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

Monthly average precipitation in Welsum, Netherlands

Welsum usually has the most precipitation in August, October and December, with an average of 15 rainy days and 87 mm (3.4 inches) of precipitation per month. The driest months in Welsum are January, April and November. On average, 51 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Welsum. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)62 (2.4)73 (2.9)75 (3.0)39 (1.5)64 (2.5)71 (2.8)79 (3.1)90 (3.5)65 (2.6)84 (3.3)52 (2.1)86 (3.4)
Average precipitation days (≥ 1 mm)13121591412141610131016

Monthly sunshine hours in Welsum, Netherlands

The sunniest months in Welsum are May, June and July, when the sun shines an average of 13 hours 14 minutes a day. Least sunny months in Welsum: January, November and December receive an average of 4 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Welsum. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours108194273350406399411388320239190128
Mean daily daylight hours8h 18m9h 55m11h 54m13h 56m15h 43m16h 39m16h 9m14h 33m12h 35m10h 34m8h 45m7h 47m

Solar UV radiation in Welsum, Netherlands

Welsum 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 Welsum UV Index data.

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