nomadseason

Monthly climate in Slano, Croatia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Slano features a oceanic climate (Cfb). Temperatures typically range between 6 °C (43 °F) and 25 °C (78 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 1583 mm (62.3 inches) and receives 121 rainy days on the 1 mm (0.04 inches) threshold annually. Slano enjoys an average of 3890 hours of sunshine throughout the year, and daylight varies from 9 hours 5 minutes to 15 hours 15 minutes per day.

Monthly average temperatures in Slano, Croatia

The warmest months in Slano are June, July and August, with daily mean temperatures ranging from 22 to 25 °C (71 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 9 °C (43 - 48 °F) throughout the day. On average each year, Slano experiences 77 days above 25 °C (77.0 °F) and 5 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Slano. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(61°F)		18°C
(66°F)		21°C
(71°F)		25°C
(78°F)		28°C
(82°F)		32°C
(90°F)		33°C
(93°F)		34°C
(94°F)		30°C
(87°F)		24°C
(76°F)		22°C
(71°F)		17°C
(63°F)
Mean maximum13°C
(56°F)		16°C
(60°F)		19°C
(66°F)		21°C
(70°F)		25°C
(78°F)		29°C
(84°F)		32°C
(90°F)		33°C
(91°F)		29°C
(84°F)		24°C
(76°F)		20°C
(68°F)		15°C
(59°F)
Average high9°C
(48°F)		12°C
(53°F)		13°C
(56°F)		16°C
(62°F)		21°C
(69°F)		25°C
(78°F)		28°C
(83°F)		29°C
(85°F)		25°C
(77°F)		20°C
(68°F)		16°C
(61°F)		11°C
(52°F)
Daily mean6°C
(43°F)		8°C
(47°F)		10°C
(50°F)		13°C
(56°F)		17°C
(63°F)		22°C
(71°F)		24°C
(76°F)		25°C
(78°F)		21°C
(70°F)		16°C
(61°F)		13°C
(55°F)		9°C
(48°F)
Average low4°C
(39°F)		5°C
(42°F)		6°C
(44°F)		9°C
(49°F)		14°C
(57°F)		18°C
(64°F)		20°C
(69°F)		21°C
(71°F)		17°C
(63°F)		13°C
(55°F)		10°C
(51°F)		6°C
(43°F)
Mean minimum-2°C
(29°F)		-0°C
(32°F)		1°C
(35°F)		4°C
(40°F)		9°C
(49°F)		14°C
(57°F)		18°C
(64°F)		18°C
(64°F)		11°C
(53°F)		9°C
(48°F)		5°C
(41°F)		1°C
(35°F)
Minimum-7°C
(20°F)		-3°C
(27°F)		-2°C
(28°F)		2°C
(36°F)		7°C
(45°F)		11°C
(53°F)		15°C
(60°F)		16°C
(61°F)		10°C
(50°F)		7°C
(45°F)		1°C
(35°F)		0°C
(32°F)

Compare climate in Slano with other places

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

Monthly average precipitation in Slano, Croatia

Slano usually has the most precipitation in February, November and December, with an average of 13 rainy days and 235 mm (9.2 inches) of precipitation per month. The driest months in Slano are June, July and August. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Slano. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)116 (4.6)162 (6.4)143 (5.6)118 (4.6)108 (4.2)53 (2.1)34 (1.3)46 (1.8)111 (4.4)149 (5.9)293 (11.6)249 (9.8)
Average precipitation days (≥ 1 mm)1110111013846991416

Monthly sunshine hours in Slano, Croatia

The sunniest months in Slano are June, July and August, when the sun shines an average of 13 hours 40 minutes a day. Least sunny months in Slano: January, November and December receive an average of 7 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Slano. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours191243323353400418434404345314236224
Mean daily daylight hours9h 25m10h 32m11h 57m13h 24m14h 38m15h 15m14h 55m13h 50m12h 26m11h 0m9h 44m9h 5m

Solar UV radiation in Slano, Croatia

Slano experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, November 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 Slano UV Index data.

Average daily maximum UV levels by month for Slano. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)24679101097532