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Monthly climate in Olen, Rogaland, Norway

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Olen features a oceanic climate (Cfb).Temperatures typically range between 2 °C (35 °F) and 15 °C (60 °F) through the year, but rarely can drop to -18 °C (0 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 2410 mm (94.9 inches) and receives 213 rainy days on the 1 mm (0.04 inches) threshold annually.Olen enjoys an average of 3125 hours of sunshine throughout the year, and daylight varies from 6 hours 7 minutes to 18 hours 33 minutes per day.

Monthly average temperatures in Olen, Rogaland, Norway §

The warmest months in Olen are June, July and August, with daily mean temperatures ranging from 14 to 15 °C (58 - 60 °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, Olen experiences 4 days above 25 °C (77.0 °F) and 56 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Olen, Rogaland, 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 11°C
(51°F)		 11°C
(52°F)		 13°C
(55°F)		 20°C
(69°F)		 28°C
(82°F)		 28°C
(83°F)		 31°C
(88°F)		 27°C
(80°F)		 22°C
(71°F)		 19°C
(66°F)		 13°C
(56°F)		 11°C
(51°F)
Mean maximum 9°C
(48°F)		 8°C
(47°F)		 10°C
(51°F)		 17°C
(64°F)		 22°C
(72°F)		 23°C
(73°F)		 27°C
(80°F)		 23°C
(74°F)		 20°C
(69°F)		 16°C
(61°F)		 12°C
(54°F)		 10°C
(50°F)
Average high 4°C
(40°F)		 4°C
(40°F)		 6°C
(44°F)		 10°C
(50°F)		 14°C
(57°F)		 18°C
(64°F)		 19°C
(66°F)		 18°C
(65°F)		 15°C
(60°F)		 11°C
(52°F)		 7°C
(46°F)		 5°C
(41°F)
Daily mean 2°C
(36°F)		 2°C
(35°F)		 3°C
(39°F)		 6°C
(44°F)		 10°C
(51°F)		 14°C
(58°F)		 15°C
(60°F)		 15°C
(59°F)		 12°C
(55°F)		 9°C
(48°F)		 5°C
(42°F)		 3°C
(38°F)
Average low -0°C
(32°F)		 -1°C
(31°F)		 1°C
(33°F)		 3°C
(37°F)		 6°C
(44°F)		 11°C
(52°F)		 12°C
(54°F)		 12°C
(54°F)		 10°C
(50°F)		 7°C
(44°F)		 3°C
(38°F)		 1°C
(34°F)
Mean minimum -7°C
(20°F)		 -9°C
(17°F)		 -6°C
(22°F)		 -3°C
(28°F)		 0°C
(33°F)		 7°C
(44°F)		 8°C
(46°F)		 8°C
(47°F)		 6°C
(43°F)		 0°C
(33°F)		 -3°C
(27°F)		 -5°C
(23°F)
Minimum -12°C
(12°F)		 -18°C
(-0°F)		 -15°C
(5°F)		 -6°C
(22°F)		 0°C
(32°F)		 5°C
(42°F)		 7°C
(44°F)		 7°C
(46°F)		 4°C
(40°F)		 -2°C
(29°F)		 -5°C
(23°F)		 -7°C
(20°F)

Compare climate in Olen with other places

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

Monthly average precipitation in Olen, Rogaland, Norway §

Olen usually has the most precipitation in August, September and October, with an average of 19 rainy days and 278 mm (11.0 inches) of precipitation per month.The driest months in Olen are April, May and June. On average, 134 mm (5.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Olen, Rogaland, 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) 178 (7.0) 187 (7.4) 190 (7.5) 121 (4.8) 115 (4.5) 165 (6.5) 167 (6.6) 252 (9.9) 253 (10.0) 330 (13.0) 225 (8.9) 227 (8.9)
Average precipitation days (≥ 1 mm) 17 17 19 16 14 16 17 19 18 22 18 20

Monthly sunshine hours in Olen, Rogaland, Norway §

The sunniest months in Olen are May, June and July, when the sun shines an average of 13 hours 30 minutes a day.Least sunny months in Olen: January, November and December receive an average of 3 hours 13 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Olen, Rogaland, 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 79 156 247 325 418 394 430 372 272 210 132 84
Mean daily daylight hours 6h 54m 9h 12m 11h 52m 14h 35m 17h 6m 18h 33m 17h 45m 15h 26m 12h 46m 10h 5m 7h 34m 6h 7m

Solar UV radiation in Olen, Rogaland, Norway §

Olen 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, February and November 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 Olen UV Index data.

Average daily maximum UV levels by month for Olen, Rogaland, 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 1 3 4 5 7 6 5 4 2 1 1