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Monthly climate in Ercolano, Italy

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ercolano features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 11 °C (52 °F) and 26 °C (79 °F) through the year, but rarely can drop to 1 °C (33 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 1157 mm (45.6 inches) and receives 104 rainy days on the 1 mm (0.04 inches) threshold annually. Ercolano enjoys an average of 3856 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 Ercolano, Italy

The warmest months in Ercolano 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 11 to 12 °C (52 - 54 °F) throughout the day. On average each year, Ercolano experiences 65 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 Ercolano. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(63°F)		16°C
(62°F)		17°C
(63°F)		23°C
(74°F)		26°C
(79°F)		29°C
(84°F)		29°C
(84°F)		31°C
(88°F)		28°C
(83°F)		25°C
(77°F)		22°C
(72°F)		18°C
(64°F)
Mean maximum15°C
(59°F)		15°C
(60°F)		17°C
(62°F)		19°C
(67°F)		24°C
(75°F)		27°C
(80°F)		28°C
(83°F)		29°C
(85°F)		27°C
(81°F)		24°C
(75°F)		21°C
(70°F)		17°C
(63°F)
Average high12°C
(54°F)		13°C
(56°F)		14°C
(57°F)		16°C
(61°F)		19°C
(67°F)		24°C
(75°F)		26°C
(79°F)		27°C
(81°F)		25°C
(76°F)		21°C
(70°F)		18°C
(64°F)		14°C
(58°F)
Daily mean11°C
(52°F)		12°C
(53°F)		12°C
(54°F)		14°C
(58°F)		18°C
(65°F)		22°C
(73°F)		25°C
(77°F)		26°C
(79°F)		23°C
(74°F)		19°C
(67°F)		16°C
(62°F)		13°C
(56°F)
Average low9°C
(49°F)		10°C
(51°F)		11°C
(51°F)		13°C
(56°F)		17°C
(62°F)		21°C
(70°F)		24°C
(75°F)		25°C
(77°F)		22°C
(72°F)		18°C
(65°F)		15°C
(59°F)		12°C
(53°F)
Mean minimum6°C
(42°F)		5°C
(42°F)		7°C
(44°F)		9°C
(48°F)		13°C
(56°F)		18°C
(65°F)		22°C
(71°F)		22°C
(72°F)		17°C
(63°F)		15°C
(59°F)		11°C
(51°F)		8°C
(47°F)
Minimum1°C
(33°F)		2°C
(37°F)		3°C
(38°F)		7°C
(46°F)		11°C
(53°F)		16°C
(60°F)		21°C
(71°F)		21°C
(70°F)		15°C
(59°F)		14°C
(57°F)		9°C
(49°F)		7°C
(44°F)

Compare climate in Ercolano with other places

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

Monthly average precipitation in Ercolano, Italy

Ercolano usually has the most precipitation in January, November and December, with an average of 14 rainy days and 202 mm (8.0 inches) of precipitation per month. The driest months in Ercolano are June, July and August. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ercolano. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)116 (4.6)113 (4.5)88 (3.4)51 (2.0)57 (2.2)21 (0.8)12 (0.5)12 (0.5)96 (3.8)100 (3.9)285 (11.2)206 (8.1)
Average precipitation days (≥ 1 mm)111010972219101716

Monthly sunshine hours in Ercolano, Italy

The sunniest months in Ercolano are June, July and August, when the sun shines an average of 13 hours 21 minutes a day. Least sunny months in Ercolano: January, November and December receive an average of 7 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ercolano. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours191252315351392407424396336310241236
Mean daily daylight hours9h 36m10h 38m11h 57m13h 19m14h 28m15h 2m14h 44m13h 43m12h 25m11h 4m9h 53m9h 16m

Solar UV radiation in Ercolano, Italy

Ercolano 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 Ercolano UV Index data.

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