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Monthly climate in Stromboli, Italy

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Stromboli features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 13 °C (55 °F) and 27 °C (81 °F) through the year, but rarely can drop to 4 °C (39 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 697 mm (27.5 inches) and receives 95 rainy days on the 1 mm (0.04 inches) threshold annually. Stromboli enjoys an average of 3965 hours of sunshine throughout the year, and daylight varies from 9 hours 29 minutes to 14 hours 49 minutes per day.

Monthly average temperatures in Stromboli, Italy

The warmest months in Stromboli are July, August and September, with daily mean temperatures ranging from 25 to 27 °C (76 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 13 to 13 °C (55 - 57 °F) throughout the day. On average each year, Stromboli 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 Stromboli. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum18°C
(65°F)		17°C
(64°F)		18°C
(64°F)		21°C
(70°F)		25°C
(78°F)		30°C
(85°F)		30°C
(86°F)		31°C
(88°F)		28°C
(83°F)		27°C
(81°F)		22°C
(73°F)		19°C
(66°F)
Mean maximum16°C
(61°F)		16°C
(62°F)		17°C
(62°F)		19°C
(67°F)		23°C
(74°F)		27°C
(81°F)		29°C
(84°F)		30°C
(86°F)		28°C
(82°F)		25°C
(77°F)		21°C
(71°F)		18°C
(65°F)
Average high14°C
(57°F)		14°C
(57°F)		14°C
(58°F)		16°C
(61°F)		20°C
(67°F)		24°C
(75°F)		27°C
(80°F)		28°C
(82°F)		25°C
(78°F)		22°C
(71°F)		19°C
(66°F)		16°C
(60°F)
Daily mean13°C
(55°F)		13°C
(56°F)		13°C
(57°F)		15°C
(60°F)		19°C
(66°F)		23°C
(74°F)		26°C
(79°F)		27°C
(81°F)		25°C
(76°F)		21°C
(70°F)		18°C
(65°F)		15°C
(59°F)
Average low12°C
(54°F)		12°C
(54°F)		13°C
(55°F)		15°C
(58°F)		18°C
(64°F)		22°C
(72°F)		25°C
(77°F)		26°C
(79°F)		24°C
(75°F)		20°C
(68°F)		17°C
(63°F)		14°C
(57°F)
Mean minimum8°C
(46°F)		9°C
(48°F)		9°C
(49°F)		12°C
(54°F)		16°C
(60°F)		19°C
(67°F)		22°C
(71°F)		24°C
(75°F)		20°C
(69°F)		17°C
(63°F)		13°C
(56°F)		10°C
(51°F)
Minimum4°C
(39°F)		7°C
(44°F)		8°C
(48°F)		11°C
(51°F)		14°C
(57°F)		17°C
(63°F)		21°C
(70°F)		22°C
(71°F)		19°C
(66°F)		16°C
(60°F)		11°C
(52°F)		9°C
(49°F)

Compare climate in Stromboli with other places

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

Monthly average precipitation in Stromboli, Italy

Stromboli usually has the most precipitation in October, November and December, with an average of 12 rainy days and 105 mm (4.1 inches) of precipitation per month. The driest months in Stromboli are May, July and August. On average, 20 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Stromboli. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)75 (2.9)59 (2.3)71 (2.8)45 (1.8)18 (0.7)23 (0.9)20 (0.8)23 (0.9)50 (2.0)79 (3.1)117 (4.6)118 (4.6)
Average precipitation days (≥ 1 mm)1299743337111314

Monthly sunshine hours in Stromboli, Italy

The sunniest months in Stromboli are May, June and July, when the sun shines an average of 13 hours 17 minutes a day. Least sunny months in Stromboli: January, November and December receive an average of 8 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Stromboli. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours214270328352397404419395339314263264
Mean daily daylight hours9h 46m10h 44m11h 58m13h 13m14h 17m14h 49m14h 32m13h 36m12h 23m11h 8m10h 2m9h 29m

Solar UV radiation in Stromboli, Italy

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

Average daily maximum UV levels by month for Stromboli. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)346891010108643