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Monthly climate in San Silvestro, Italy

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Silvestro features a oceanic climate (Cfb). Temperatures typically range between 6 °C (42 °F) and 25 °C (77 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 961 mm (37.8 inches) and receives 124 rainy days on the 1 mm (0.04 inches) threshold annually. San Silvestro enjoys an average of 3852 hours of sunshine throughout the year, and daylight varies from 9 hours 3 minutes to 15 hours 16 minutes per day.

Monthly average temperatures in San Silvestro, Italy

The warmest months in San Silvestro are June, July and August, with daily mean temperatures ranging from 22 to 25 °C (72 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 8 °C (42 - 46 °F) throughout the day. On average each year, San Silvestro experiences 69 days above 25 °C (77.0 °F) and 7 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 Silvestro. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(60°F)		19°C
(66°F)		21°C
(69°F)		24°C
(75°F)		29°C
(85°F)		32°C
(90°F)		33°C
(92°F)		36°C
(97°F)		30°C
(86°F)		26°C
(79°F)		21°C
(71°F)		17°C
(63°F)
Mean maximum14°C
(57°F)		16°C
(61°F)		18°C
(65°F)		21°C
(71°F)		25°C
(77°F)		30°C
(85°F)		31°C
(89°F)		33°C
(92°F)		28°C
(83°F)		24°C
(75°F)		19°C
(66°F)		15°C
(59°F)
Average high9°C
(48°F)		11°C
(53°F)		13°C
(55°F)		16°C
(61°F)		20°C
(69°F)		25°C
(78°F)		27°C
(82°F)		29°C
(84°F)		24°C
(75°F)		19°C
(67°F)		14°C
(58°F)		11°C
(52°F)
Daily mean6°C
(42°F)		7°C
(46°F)		9°C
(48°F)		13°C
(55°F)		17°C
(63°F)		22°C
(72°F)		24°C
(75°F)		25°C
(77°F)		20°C
(68°F)		15°C
(60°F)		12°C
(54°F)		8°C
(46°F)
Average low2°C
(37°F)		4°C
(40°F)		5°C
(41°F)		9°C
(48°F)		13°C
(57°F)		18°C
(64°F)		20°C
(68°F)		20°C
(69°F)		16°C
(62°F)		12°C
(54°F)		9°C
(49°F)		5°C
(40°F)
Mean minimum-2°C
(28°F)		-2°C
(29°F)		-1°C
(31°F)		4°C
(39°F)		8°C
(48°F)		14°C
(57°F)		17°C
(62°F)		16°C
(61°F)		10°C
(50°F)		8°C
(47°F)		4°C
(40°F)		0°C
(33°F)
Minimum-8°C
(17°F)		-9°C
(17°F)		-9°C
(16°F)		1°C
(34°F)		7°C
(45°F)		11°C
(53°F)		15°C
(59°F)		13°C
(56°F)		8°C
(48°F)		6°C
(44°F)		2°C
(35°F)		-2°C
(28°F)

Compare climate in San Silvestro with other places

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

Monthly average precipitation in San Silvestro, Italy

San Silvestro usually has the most precipitation in May, November and December, with an average of 12 rainy days and 115 mm (4.5 inches) of precipitation per month. The driest months in San Silvestro are February, June and August. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Silvestro. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)72 (2.8)65 (2.6)89 (3.5)70 (2.7)119 (4.7)55 (2.1)72 (2.8)41 (1.6)77 (3.0)75 (3.0)136 (5.4)90 (3.6)
Average precipitation days (≥ 1 mm)99131215988991310

Monthly sunshine hours in San Silvestro, Italy

The sunniest months in San Silvestro are June, July and August, when the sun shines an average of 13 hours 32 minutes a day. Least sunny months in San Silvestro: January, November and December receive an average of 7 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Silvestro. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours184244316355395417429398338307232232
Mean daily daylight hours9h 24m10h 31m11h 57m13h 24m14h 39m15h 16m14h 56m13h 50m12h 26m10h 59m9h 43m9h 3m

Solar UV radiation in San Silvestro, Italy

San Silvestro 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, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly San Silvestro UV Index data.

Average daily maximum UV levels by month for San Silvestro. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)24679101097532