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Monthly climate in Slunj, Karlovačka, Croatia

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Slunj features a oceanic climate (Cfb).Temperatures typically range between 0 °C (33 °F) and 21 °C (70 °F) through the year, but rarely can drop to -19 °C (-1 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1472 mm (57.9 inches) and receives 158 rainy days on the 1 mm (0.04 inches) threshold annually.Slunj enjoys an average of 3699 hours of sunshine throughout the year, and daylight varies from 8 hours 49 minutes to 15 hours 32 minutes per day.

Monthly average temperatures in Slunj, Karlovačka, Croatia §

The warmest months in Slunj are June, July and August, with daily mean temperatures ranging from 20 to 21 °C (68 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 4 °C (33 - 39 °F) throughout the day. On average each year, Slunj experiences 56 days above 25 °C (77.0 °F) and 76 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Slunj, Karlovačka, Croatia.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 15°C
(59°F)		 20°C
(68°F)		 22°C
(71°F)		 27°C
(81°F)		 29°C
(84°F)		 36°C
(96°F)		 34°C
(94°F)		 38°C
(101°F)		 32°C
(90°F)		 24°C
(76°F)		 20°C
(67°F)		 16°C
(61°F)
Mean maximum 12°C
(54°F)		 15°C
(59°F)		 20°C
(68°F)		 24°C
(75°F)		 26°C
(79°F)		 30°C
(87°F)		 33°C
(91°F)		 34°C
(93°F)		 29°C
(85°F)		 23°C
(74°F)		 18°C
(64°F)		 13°C
(56°F)
Average high 4°C
(40°F)		 8°C
(47°F)		 11°C
(52°F)		 16°C
(61°F)		 19°C
(67°F)		 25°C
(78°F)		 27°C
(81°F)		 27°C
(81°F)		 21°C
(71°F)		 17°C
(62°F)		 10°C
(51°F)		 6°C
(44°F)
Daily mean 0°C
(33°F)		 4°C
(39°F)		 6°C
(42°F)		 10°C
(50°F)		 14°C
(58°F)		 20°C
(68°F)		 21°C
(70°F)		 21°C
(70°F)		 16°C
(61°F)		 11°C
(52°F)		 7°C
(44°F)		 3°C
(37°F)
Average low -3°C
(26°F)		 -0°C
(32°F)		 1°C
(34°F)		 5°C
(41°F)		 9°C
(49°F)		 14°C
(58°F)		 15°C
(60°F)		 16°C
(61°F)		 11°C
(52°F)		 7°C
(45°F)		 4°C
(39°F)		 -0°C
(32°F)
Mean minimum -11°C
(13°F)		 -7°C
(20°F)		 -6°C
(22°F)		 -2°C
(28°F)		 3°C
(38°F)		 9°C
(48°F)		 11°C
(53°F)		 10°C
(50°F)		 4°C
(39°F)		 2°C
(35°F)		 -3°C
(27°F)		 -7°C
(19°F)
Minimum -19°C
(-1°F)		 -12°C
(10°F)		 -14°C
(7°F)		 -9°C
(15°F)		 -0°C
(32°F)		 7°C
(45°F)		 9°C
(49°F)		 6°C
(44°F)		 2°C
(36°F)		 -1°C
(30°F)		 -7°C
(19°F)		 -12°C
(11°F)

Compare climate in Slunj with other places

Compare temperature, precipitation, sunshine, UV index in Slunj, Karlovačka, Croatia with other places around the world.

Monthly average precipitation in Slunj, Karlovačka, Croatia §

Slunj usually has the most precipitation in May, September and November, with an average of 15 rainy days and 165 mm (6.5 inches) of precipitation per month.The driest months in Slunj are January, March and June. On average, 86 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Slunj, Karlovačka, Croatia.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) 85 (3.4) 114 (4.5) 87 (3.4) 101 (4.0) 174 (6.8) 86 (3.4) 114 (4.5) 115 (4.5) 166 (6.5) 129 (5.1) 155 (6.1) 144 (5.7)
Average precipitation days (≥ 1 mm) 12 12 13 12 19 13 12 13 13 10 15 14

Monthly sunshine hours in Slunj, Karlovačka, Croatia §

The sunniest months in Slunj are June, July and August, when the sun shines an average of 13 hours 24 minutes a day.Least sunny months in Slunj: January, November and December receive an average of 6 hours 20 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Slunj, Karlovačka, Croatia.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 173 227 312 342 376 410 428 395 330 293 201 208
Mean daily daylight hours 9h 11m 10h 24m 11h 56m 13h 31m 14h 51m 15h 32m 15h 10m 13h 59m 12h 28m 10h 55m 9h 32m 8h 49m

Solar UV radiation in Slunj, Karlovačka, Croatia §

Slunj experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure.January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Slunj UV Index data.

Average daily maximum UV levels by month for Slunj, Karlovačka, Croatia.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) 2 3 5 7 8 9 9 8 7 5 3 2