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Monthly climate in Alghero, Italy

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Alghero features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 12 °C (53 °F) and 26 °C (79 °F) through the year, but rarely can drop to 5 °C (42 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 609 mm (24.0 inches) and receives 81 rainy days on the 1 mm (0.04 inches) threshold annually. Alghero enjoys an average of 3956 hours of sunshine throughout the year, and daylight varies from 9 hours 18 minutes to 15 hours 1 minutes per day.

Monthly average temperatures in Alghero, Italy

The warmest months in Alghero are July, August and September, with daily mean temperatures ranging from 23 to 26 °C (74 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 12 to 13 °C (53 - 55 °F) throughout the day. On average each year, Alghero experiences 76 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Alghero. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(66°F)		21°C
(69°F)		21°C
(70°F)		22°C
(72°F)		28°C
(82°F)		32°C
(89°F)		33°C
(91°F)		34°C
(94°F)		29°C
(85°F)		28°C
(83°F)		23°C
(73°F)		19°C
(66°F)
Mean maximum16°C
(62°F)		17°C
(63°F)		19°C
(66°F)		21°C
(70°F)		25°C
(78°F)		29°C
(84°F)		32°C
(89°F)		32°C
(91°F)		29°C
(84°F)		26°C
(79°F)		22°C
(71°F)		18°C
(64°F)
Average high13°C
(56°F)		14°C
(58°F)		15°C
(59°F)		17°C
(63°F)		20°C
(69°F)		25°C
(77°F)		27°C
(81°F)		28°C
(83°F)		25°C
(78°F)		22°C
(72°F)		18°C
(64°F)		15°C
(59°F)
Daily mean12°C
(53°F)		12°C
(54°F)		13°C
(55°F)		15°C
(59°F)		18°C
(65°F)		22°C
(72°F)		25°C
(77°F)		26°C
(79°F)		23°C
(74°F)		20°C
(67°F)		16°C
(61°F)		13°C
(56°F)
Average low10°C
(50°F)		10°C
(51°F)		11°C
(51°F)		13°C
(55°F)		16°C
(61°F)		20°C
(68°F)		23°C
(73°F)		23°C
(74°F)		21°C
(70°F)		17°C
(64°F)		14°C
(57°F)		12°C
(53°F)
Mean minimum7°C
(45°F)		7°C
(44°F)		7°C
(45°F)		9°C
(48°F)		12°C
(55°F)		17°C
(63°F)		20°C
(69°F)		20°C
(68°F)		17°C
(63°F)		14°C
(58°F)		10°C
(50°F)		8°C
(47°F)
Minimum6°C
(42°F)		5°C
(42°F)		6°C
(42°F)		7°C
(45°F)		11°C
(52°F)		15°C
(58°F)		19°C
(67°F)		19°C
(67°F)		14°C
(57°F)		12°C
(55°F)		8°C
(46°F)		7°C
(46°F)

Compare climate in Alghero with other places

Compare temperature, precipitation, sunshine, UV index in Alghero, Italy with other places around the world.

Monthly average precipitation in Alghero, Italy

Alghero usually has the most precipitation in January, November and December, with an average of 12 rainy days and 98 mm (3.8 inches) of precipitation per month. The driest months in Alghero are June, July and August. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Alghero. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)66 (2.6)50 (2.0)45 (1.8)38 (1.5)51 (2.0)14 (0.6)6 (0.2)12 (0.5)47 (1.9)54 (2.1)129 (5.1)98 (3.8)
Average precipitation days (≥ 1 mm)96886212471414

Monthly sunshine hours in Alghero, Italy

The sunniest months in Alghero are May, June and July, when the sun shines an average of 13 hours 27 minutes a day. Least sunny months in Alghero: January, November and December receive an average of 7 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Alghero. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours203266333352399411426394340316259250
Mean daily daylight hours9h 37m10h 39m11h 57m13h 18m14h 26m15h 1m14h 42m13h 42m12h 25m11h 4m9h 54m9h 18m

Solar UV radiation in Alghero, Italy

Alghero 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, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Alghero UV Index data.

Average daily maximum UV levels by month for Alghero. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)34689101098642