nomadseason

Monthly climate in Halden, Norway

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Halden features a humid continental climate (Dfb). Temperatures typically range between 0 °C (32 °F) and 18 °C (64 °F) through the year, but rarely can drop to -17 °C (1 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 895 mm (35.2 inches) and receives 136 rainy days on the 1 mm (0.04 inches) threshold annually. Halden enjoys an average of 3449 hours of sunshine throughout the year, and daylight varies from 6 hours 15 minutes to 18 hours 23 minutes per day.

Monthly average temperatures in Halden, Norway

The warmest months in Halden are June, July and August, with daily mean temperatures ranging from 16 to 18 °C (61 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 1 °C (32 - 34 °F) throughout the day. On average each year, Halden experiences 13 days above 25 °C (77.0 °F) and 93 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Halden. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(51°F)		14°C
(57°F)		15°C
(59°F)		22°C
(71°F)		29°C
(85°F)		30°C
(87°F)		32°C
(90°F)		31°C
(89°F)		23°C
(73°F)		19°C
(66°F)		15°C
(59°F)		10°C
(50°F)
Mean maximum8°C
(46°F)		9°C
(48°F)		12°C
(54°F)		19°C
(67°F)		23°C
(74°F)		25°C
(78°F)		28°C
(82°F)		26°C
(79°F)		21°C
(70°F)		16°C
(60°F)		12°C
(53°F)		8°C
(47°F)
Average high3°C
(37°F)		2°C
(36°F)		6°C
(43°F)		11°C
(52°F)		16°C
(60°F)		21°C
(69°F)		22°C
(72°F)		20°C
(68°F)		16°C
(61°F)		11°C
(52°F)		6°C
(43°F)		3°C
(37°F)
Daily mean1°C
(33°F)		-0°C
(32°F)		2°C
(36°F)		6°C
(44°F)		11°C
(53°F)		16°C
(62°F)		18°C
(64°F)		16°C
(61°F)		13°C
(55°F)		8°C
(47°F)		4°C
(39°F)		1°C
(34°F)
Average low-2°C
(29°F)		-3°C
(27°F)		-1°C
(30°F)		2°C
(35°F)		6°C
(44°F)		11°C
(53°F)		13°C
(55°F)		12°C
(54°F)		9°C
(49°F)		6°C
(42°F)		2°C
(36°F)		-1°C
(30°F)
Mean minimum-10°C
(14°F)		-12°C
(11°F)		-9°C
(17°F)		-4°C
(24°F)		0°C
(33°F)		7°C
(45°F)		8°C
(48°F)		7°C
(45°F)		3°C
(38°F)		-2°C
(29°F)		-7°C
(20°F)		-8°C
(18°F)
Minimum-17°C
(2°F)		-16°C
(4°F)		-17°C
(1°F)		-9°C
(17°F)		-1°C
(30°F)		5°C
(42°F)		7°C
(45°F)		6°C
(42°F)		-1°C
(31°F)		-4°C
(25°F)		-9°C
(16°F)		-12°C
(11°F)

Compare climate in Halden with other places

Compare temperature, precipitation, sunshine, UV index in Halden, Norway with other places around the world.

Monthly average precipitation in Halden, Norway

Halden usually has the most precipitation in July, August and October, with an average of 13 rainy days and 101 mm (4.0 inches) of precipitation per month. The driest months in Halden are January, March and April. On average, 47 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Halden. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)51 (2.0)60 (2.4)58 (2.3)31 (1.2)68 (2.7)76 (3.0)95 (3.7)102 (4.0)91 (3.6)106 (4.2)79 (3.1)78 (3.1)
Average precipitation days (≥ 1 mm)8101061110111513151215

Monthly sunshine hours in Halden, Norway

The sunniest months in Halden are May, June and July, when the sun shines an average of 14 hours 56 minutes a day. Least sunny months in Halden: January, November and December receive an average of 3 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Halden. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours8617328137443246547740629123013496
Mean daily daylight hours7h 1m9h 15m11h 52m14h 32m16h 59m18h 23m17h 37m15h 22m12h 45m10h 7m7h 40m6h 15m

Solar UV radiation in Halden, Norway

Halden experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 5 - 7, which corresponds to the Moderate / High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Halden UV Index data.

Average daily maximum UV levels by month for Halden. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)123457754211