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Monthly climate in Castel Volturno, Italy

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Castel Volturno features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 10 °C (50 °F) and 26 °C (79 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 1173 mm (46.2 inches) and receives 103 rainy days on the 1 mm (0.04 inches) threshold annually. Castel Volturno enjoys an average of 3867 hours of sunshine throughout the year, and daylight varies from 9 hours 16 minutes to 15 hours 2 minutes per day.

Monthly average temperatures in Castel Volturno, Italy

The warmest months in Castel Volturno are July, August and September, with daily mean temperatures ranging from 23 to 26 °C (73 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 10 to 12 °C (50 - 53 °F) throughout the day. On average each year, Castel Volturno experiences 79 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 Castel Volturno. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum18°C
(64°F)		17°C
(63°F)		19°C
(66°F)		25°C
(77°F)		28°C
(82°F)		31°C
(88°F)		31°C
(88°F)		33°C
(91°F)		30°C
(87°F)		26°C
(79°F)		22°C
(72°F)		18°C
(64°F)
Mean maximum15°C
(59°F)		16°C
(61°F)		18°C
(64°F)		21°C
(70°F)		25°C
(77°F)		28°C
(83°F)		30°C
(86°F)		31°C
(89°F)		29°C
(84°F)		25°C
(77°F)		21°C
(70°F)		17°C
(63°F)
Average high12°C
(54°F)		13°C
(56°F)		14°C
(58°F)		17°C
(62°F)		20°C
(69°F)		25°C
(77°F)		27°C
(82°F)		28°C
(83°F)		25°C
(78°F)		21°C
(70°F)		17°C
(64°F)		14°C
(57°F)
Daily mean10°C
(50°F)		11°C
(52°F)		12°C
(53°F)		14°C
(58°F)		18°C
(65°F)		22°C
(73°F)		25°C
(78°F)		26°C
(79°F)		23°C
(73°F)		19°C
(66°F)		15°C
(60°F)		12°C
(54°F)
Average low8°C
(46°F)		9°C
(48°F)		9°C
(49°F)		12°C
(54°F)		16°C
(60°F)		20°C
(68°F)		23°C
(73°F)		24°C
(75°F)		20°C
(69°F)		17°C
(62°F)		14°C
(57°F)		10°C
(50°F)
Mean minimum4°C
(39°F)		4°C
(40°F)		5°C
(41°F)		8°C
(46°F)		12°C
(53°F)		17°C
(62°F)		20°C
(69°F)		21°C
(70°F)		16°C
(61°F)		13°C
(56°F)		9°C
(49°F)		6°C
(44°F)
Minimum-1°C
(30°F)		2°C
(35°F)		2°C
(35°F)		6°C
(43°F)		10°C
(50°F)		14°C
(57°F)		20°C
(67°F)		20°C
(68°F)		14°C
(58°F)		13°C
(55°F)		7°C
(44°F)		5°C
(41°F)

Compare climate in Castel Volturno with other places

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

Monthly average precipitation in Castel Volturno, Italy

Castel Volturno usually has the most precipitation in February, November and December, with an average of 13 rainy days and 204 mm (8.0 inches) of precipitation per month. The driest months in Castel Volturno are June, July and August. On average, 17 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Castel Volturno. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)100 (4.0)115 (4.5)88 (3.4)58 (2.3)56 (2.2)24 (1.0)12 (0.5)14 (0.5)107 (4.2)101 (4.0)303 (11.9)194 (7.6)
Average precipitation days (≥ 1 mm)111010982228101714

Monthly sunshine hours in Castel Volturno, Italy

The sunniest months in Castel Volturno are June, July and August, when the sun shines an average of 13 hours 24 minutes a day. Least sunny months in Castel Volturno: January, November and December receive an average of 7 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Castel Volturno. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours193255317348393409425397336310240238
Mean daily daylight hours9h 35m10h 38m11h 57m13h 19m14h 28m15h 2m14h 44m13h 43m12h 25m11h 4m9h 53m9h 16m

Solar UV radiation in Castel Volturno, Italy

Castel Volturno 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 Castel Volturno UV Index data.

Average daily maximum UV levels by month for Castel Volturno. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)34679101098642