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Monthly climate in Grimstad, Agder, Norway

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Grimstad features a oceanic climate (Cfb).Temperatures typically range between 2 °C (35 °F) and 18 °C (64 °F) through the year, but rarely can drop to -12 °C (10 °F) or can rise to as high as 28 °C (83 °F).The average annual precipitation amounts to about 1244 mm (49.0 inches) and receives 152 rainy days on the 1 mm (0.04 inches) threshold annually.Grimstad enjoys an average of 3485 hours of sunshine throughout the year, and daylight varies from 6 hours 29 minutes to 18 hours 7 minutes per day.

Monthly average temperatures in Grimstad, Agder, Norway §

The warmest months in Grimstad 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 2 to 3 °C (35 - 38 °F) throughout the day. On average each year, Grimstad experiences 4 days above 25 °C (77.0 °F) and 52 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Grimstad, Agder, 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 10°C
(49°F)		 10°C
(51°F)		 17°C
(64°F)		 17°C
(62°F)		 25°C
(78°F)		 28°C
(83°F)		 27°C
(81°F)		 25°C
(77°F)		 25°C
(77°F)		 17°C
(62°F)		 14°C
(58°F)		 11°C
(53°F)
Mean maximum 8°C
(48°F)		 8°C
(47°F)		 12°C
(55°F)		 16°C
(61°F)		 20°C
(69°F)		 23°C
(73°F)		 25°C
(76°F)		 24°C
(75°F)		 21°C
(70°F)		 15°C
(60°F)		 13°C
(55°F)		 9°C
(49°F)
Average high 4°C
(40°F)		 4°C
(39°F)		 6°C
(43°F)		 10°C
(50°F)		 14°C
(58°F)		 19°C
(66°F)		 21°C
(70°F)		 19°C
(67°F)		 16°C
(61°F)		 12°C
(54°F)		 8°C
(46°F)		 5°C
(41°F)
Daily mean 2°C
(36°F)		 2°C
(35°F)		 3°C
(38°F)		 6°C
(44°F)		 11°C
(52°F)		 16°C
(61°F)		 18°C
(64°F)		 16°C
(62°F)		 14°C
(57°F)		 10°C
(50°F)		 6°C
(43°F)		 3°C
(38°F)
Average low 0°C
(33°F)		 -0°C
(31°F)		 1°C
(34°F)		 3°C
(38°F)		 8°C
(46°F)		 13°C
(55°F)		 14°C
(58°F)		 13°C
(56°F)		 11°C
(53°F)		 8°C
(46°F)		 4°C
(40°F)		 1°C
(35°F)
Mean minimum -7°C
(21°F)		 -7°C
(20°F)		 -6°C
(21°F)		 -2°C
(29°F)		 2°C
(37°F)		 9°C
(48°F)		 11°C
(52°F)		 9°C
(49°F)		 7°C
(44°F)		 2°C
(36°F)		 -3°C
(27°F)		 -6°C
(22°F)
Minimum -11°C
(12°F)		 -12°C
(10°F)		 -10°C
(14°F)		 -5°C
(23°F)		 1°C
(34°F)		 6°C
(43°F)		 9°C
(49°F)		 9°C
(48°F)		 4°C
(40°F)		 -0°C
(32°F)		 -6°C
(22°F)		 -9°C
(15°F)

Compare climate in Grimstad with other places

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

Monthly average precipitation in Grimstad, Agder, Norway §

Grimstad usually has the most precipitation in October, November and December, with an average of 16 rainy days and 150 mm (5.9 inches) of precipitation per month.The driest months in Grimstad are January, April and May. On average, 67 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grimstad, Agder, 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) 81 (3.2) 103 (4.0) 97 (3.8) 38 (1.5) 83 (3.3) 88 (3.5) 88 (3.5) 101 (4.0) 115 (4.5) 169 (6.7) 128 (5.1) 152 (6.0)
Average precipitation days (≥ 1 mm) 12 13 12 6 10 11 11 13 14 15 16 19

Monthly sunshine hours in Grimstad, Agder, Norway §

The sunniest months in Grimstad are May, June and July, when the sun shines an average of 14 hours 55 minutes a day.Least sunny months in Grimstad: January, November and December receive an average of 3 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grimstad, Agder, 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 101 176 287 375 437 459 475 410 289 239 134 98
Mean daily daylight hours 7h 12m 9h 21m 11h 52m 14h 27m 16h 48m 18h 7m 17h 24m 15h 14m 12h 44m 10h 11m 7h 49m 6h 29m

Solar UV radiation in Grimstad, Agder, Norway §

Grimstad experiences the highest level of ultraviolet (UV) radiation in June, July and August, 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 Grimstad UV Index data.

Average daily maximum UV levels by month for Grimstad, Agder, 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 6 4 2 1 1