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Monthly climate in San Sebastiano al Vesuvio, Campania, Italy

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Sebastiano al Vesuvio 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.San Sebastiano al Vesuvio 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 San Sebastiano al Vesuvio, Campania, Italy §

The warmest months in San Sebastiano al Vesuvio 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, San Sebastiano al Vesuvio 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 San Sebastiano al Vesuvio, Campania, Italy.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 17°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 maximum 15°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 high 12°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 mean 11°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 low 9°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 minimum 6°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)
Minimum 1°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 San Sebastiano al Vesuvio with other places

Compare temperature, precipitation, sunshine, UV index in San Sebastiano al Vesuvio, Campania, Italy with other places around the world.

Monthly average precipitation in San Sebastiano al Vesuvio, Campania, Italy §

San Sebastiano al Vesuvio 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 San Sebastiano al Vesuvio 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 San Sebastiano al Vesuvio, Campania, Italy.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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) 11 10 10 9 7 2 2 1 9 10 17 16

Monthly sunshine hours in San Sebastiano al Vesuvio, Campania, Italy §

The sunniest months in San Sebastiano al Vesuvio are June, July and August, when the sun shines an average of 13 hours 21 minutes a day.Least sunny months in San Sebastiano al Vesuvio: 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 San Sebastiano al Vesuvio, Campania, Italy.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 191 252 315 351 392 407 424 396 336 310 241 236
Mean daily daylight hours 9h 36m 10h 38m 11h 57m 13h 19m 14h 28m 15h 2m 14h 44m 13h 43m 12h 25m 11h 4m 9h 53m 9h 16m

Solar UV radiation in San Sebastiano al Vesuvio, Campania, Italy §

San Sebastiano al Vesuvio 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 San Sebastiano al Vesuvio UV Index data.

Average daily maximum UV levels by month for San Sebastiano al Vesuvio, Campania, Italy.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 4 6 7 9 10 10 9 8 6 4 2