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Monthly climate in Umag, Croatia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Umag features a oceanic climate (Cfb). Temperatures typically range between 7 °C (46 °F) and 26 °C (78 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 30 °C (87 °F). The average annual precipitation amounts to about 1193 mm (47.0 inches) and receives 109 rainy days on the 1 mm (0.04 inches) threshold annually. Umag enjoys an average of 3733 hours of sunshine throughout the year, and daylight varies from 8 hours 45 minutes to 15 hours 35 minutes per day.

Monthly average temperatures in Umag, Croatia

The warmest months in Umag are June, July and August, with daily mean temperatures ranging from 23 to 26 °C (73 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 10 °C (46 - 50 °F) throughout the day. On average each year, Umag experiences 54 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Umag. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(56°F)		13°C
(56°F)		16°C
(62°F)		20°C
(68°F)		24°C
(76°F)		30°C
(86°F)		29°C
(85°F)		30°C
(87°F)		28°C
(82°F)		23°C
(73°F)		19°C
(67°F)		16°C
(60°F)
Mean maximum12°C
(54°F)		12°C
(54°F)		15°C
(58°F)		17°C
(63°F)		22°C
(71°F)		26°C
(80°F)		28°C
(83°F)		29°C
(85°F)		26°C
(80°F)		22°C
(72°F)		18°C
(64°F)		14°C
(58°F)
Average high9°C
(48°F)		9°C
(49°F)		11°C
(52°F)		14°C
(58°F)		19°C
(66°F)		24°C
(75°F)		26°C
(79°F)		27°C
(81°F)		23°C
(74°F)		19°C
(66°F)		14°C
(58°F)		11°C
(51°F)
Daily mean7°C
(46°F)		8°C
(47°F)		10°C
(50°F)		13°C
(56°F)		17°C
(64°F)		23°C
(73°F)		25°C
(77°F)		26°C
(78°F)		22°C
(71°F)		17°C
(64°F)		13°C
(56°F)		10°C
(50°F)
Average low6°C
(44°F)		7°C
(45°F)		8°C
(47°F)		12°C
(53°F)		16°C
(61°F)		21°C
(71°F)		23°C
(74°F)		24°C
(76°F)		20°C
(68°F)		16°C
(61°F)		12°C
(54°F)		9°C
(48°F)
Mean minimum3°C
(38°F)		3°C
(37°F)		4°C
(39°F)		7°C
(46°F)		12°C
(54°F)		17°C
(64°F)		20°C
(69°F)		20°C
(68°F)		15°C
(59°F)		12°C
(55°F)		7°C
(46°F)		5°C
(41°F)
Minimum-3°C
(27°F)		-3°C
(27°F)		-3°C
(27°F)		5°C
(42°F)		10°C
(50°F)		16°C
(61°F)		20°C
(68°F)		17°C
(63°F)		14°C
(57°F)		11°C
(52°F)		6°C
(42°F)		4°C
(39°F)

Compare climate in Umag with other places

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

Monthly average precipitation in Umag, Croatia

Umag usually has the most precipitation in September, November and December, with an average of 12 rainy days and 168 mm (6.6 inches) of precipitation per month. The driest months in Umag are January, March and July. On average, 55 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Umag. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)58 (2.3)106 (4.2)57 (2.3)86 (3.4)105 (4.2)68 (2.7)49 (1.9)58 (2.3)171 (6.7)100 (4.0)183 (7.2)150 (5.9)
Average precipitation days (≥ 1 mm)711781356610101313

Monthly sunshine hours in Umag, Croatia

The sunniest months in Umag are June, July and August, when the sun shines an average of 13 hours 31 minutes a day. Least sunny months in Umag: January, February and December receive an average of 6 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Umag. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours181223314344371417429396325292228206
Mean daily daylight hours9h 9m10h 23m11h 56m13h 32m14h 54m15h 35m15h 13m14h 1m12h 29m10h 53m9h 29m8h 45m

Solar UV radiation in Umag, Croatia

Umag 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 Umag UV Index data.

Average daily maximum UV levels by month for Umag. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235689987532