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Monthly climate in Bo, Vestfold og Telemark, Norway

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bo features a subarctic climate (Dfc).Temperatures typically range between -4 °C (25 °F) and 16 °C (61 °F) through the year, but rarely can drop to -22 °C (-7 °F) or can rise to as high as 29 °C (85 °F).The average annual precipitation amounts to about 1194 mm (47.0 inches) and receives 150 rainy days on the 1 mm (0.04 inches) threshold annually.Bo enjoys an average of 3348 hours of sunshine throughout the year, and daylight varies from 6 hours 6 minutes to 18 hours 33 minutes per day.

Monthly average temperatures in Bo, Vestfold og Telemark, Norway §

The warmest months in Bo are June, July and August, with daily mean temperatures ranging from 14 to 16 °C (57 - 61 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -3 °C (25 - 27 °F) throughout the day. On average each year, Bo experiences 6 days above 25 °C (77.0 °F) and 154 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bo, Vestfold og Telemark, Norway.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 9°C
(48°F)		 9°C
(49°F)		 14°C
(57°F)		 21°C
(69°F)		 26°C
(79°F)		 28°C
(83°F)		 29°C
(85°F)		 25°C
(77°F)		 24°C
(75°F)		 17°C
(62°F)		 12°C
(54°F)		 9°C
(48°F)
Mean maximum 6°C
(42°F)		 6°C
(43°F)		 10°C
(51°F)		 16°C
(62°F)		 23°C
(73°F)		 24°C
(75°F)		 25°C
(78°F)		 23°C
(75°F)		 20°C
(69°F)		 14°C
(57°F)		 10°C
(51°F)		 6°C
(44°F)
Average high -1°C
(30°F)		 -0°C
(32°F)		 3°C
(38°F)		 8°C
(47°F)		 14°C
(57°F)		 19°C
(66°F)		 20°C
(69°F)		 18°C
(65°F)		 14°C
(58°F)		 8°C
(47°F)		 3°C
(38°F)		 -1°C
(31°F)
Daily mean -4°C
(25°F)		 -4°C
(26°F)		 -1°C
(30°F)		 3°C
(38°F)		 9°C
(48°F)		 14°C
(58°F)		 16°C
(61°F)		 14°C
(57°F)		 10°C
(51°F)		 5°C
(42°F)		 1°C
(34°F)		 -3°C
(27°F)
Average low -7°C
(19°F)		 -7°C
(20°F)		 -6°C
(22°F)		 -2°C
(29°F)		 4°C
(39°F)		 9°C
(49°F)		 11°C
(51°F)		 9°C
(49°F)		 7°C
(45°F)		 3°C
(37°F)		 -1°C
(30°F)		 -5°C
(24°F)
Mean minimum -17°C
(2°F)		 -16°C
(3°F)		 -15°C
(5°F)		 -10°C
(14°F)		 -4°C
(24°F)		 5°C
(41°F)		 6°C
(43°F)		 4°C
(40°F)		 2°C
(36°F)		 -4°C
(25°F)		 -9°C
(15°F)		 -12°C
(11°F)
Minimum -22°C
(-7°F)		 -19°C
(-2°F)		 -20°C
(-3°F)		 -15°C
(6°F)		 -13°C
(8°F)		 2°C
(35°F)		 5°C
(41°F)		 3°C
(39°F)		 0°C
(33°F)		 -6°C
(22°F)		 -14°C
(7°F)		 -14°C
(7°F)

Compare climate in Bo with other places

Compare temperature, precipitation, sunshine, UV index in Bo, Vestfold og Telemark, Norway with other places around the world.

Monthly average precipitation in Bo, Vestfold og Telemark, Norway §

Bo usually has the most precipitation in September, October and December, with an average of 15 rainy days and 133 mm (5.2 inches) of precipitation per month.The driest months in Bo are January, February and April. On average, 64 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bo, Vestfold og Telemark, Norway.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) 71 (2.8) 76 (3.0) 81 (3.2) 44 (1.7) 86 (3.4) 107 (4.2) 113 (4.5) 100 (3.9) 134 (5.3) 140 (5.5) 116 (4.6) 126 (5.0)
Average precipitation days (≥ 1 mm) 10 12 11 7 12 12 12 13 14 17 14 16

Monthly sunshine hours in Bo, Vestfold og Telemark, Norway §

The sunniest months in Bo are May, June and July, when the sun shines an average of 14 hours 21 minutes a day.Least sunny months in Bo: January, November and December receive an average of 3 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bo, Vestfold og Telemark, Norway.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 93 176 291 366 419 433 467 394 270 216 129 86
Mean daily daylight hours 6h 54m 9h 11m 11h 52m 14h 35m 17h 6m 18h 33m 17h 46m 15h 26m 12h 46m 10h 5m 7h 34m 6h 6m

Solar UV radiation in Bo, Vestfold og Telemark, Norway §

Bo experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 6 - 7, which corresponds to the 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 Bo UV Index data.

Average daily maximum UV levels by month for Bo, Vestfold og Telemark, Norway.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 3 4 6 7 7 5 4 2 1 1