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Monthly climate in Sili, Italy

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sili features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 11 °C (51 °F) and 26 °C (79 °F) through the year, but rarely can drop to 3 °C (38 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 714 mm (28.1 inches) and receives 86 rainy days on the 1 mm (0.04 inches) threshold annually. Sili enjoys an average of 3951 hours of sunshine throughout the year, and daylight varies from 9 hours 22 minutes to 14 hours 56 minutes per day.

Monthly average temperatures in Sili, Italy

The warmest months in Sili 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 December, when daily mean temperatures range from 11 to 12 °C (51 - 54 °F) throughout the day. On average each year, Sili experiences 87 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 Sili. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum18°C
(65°F)		21°C
(71°F)		20°C
(69°F)		24°C
(75°F)		29°C
(85°F)		33°C
(91°F)		34°C
(93°F)		35°C
(96°F)		31°C
(88°F)		28°C
(83°F)		24°C
(75°F)		19°C
(67°F)
Mean maximum16°C
(61°F)		18°C
(64°F)		19°C
(67°F)		22°C
(72°F)		26°C
(79°F)		29°C
(85°F)		33°C
(91°F)		34°C
(93°F)		30°C
(86°F)		26°C
(80°F)		22°C
(72°F)		18°C
(64°F)
Average high13°C
(56°F)		14°C
(58°F)		15°C
(60°F)		18°C
(64°F)		21°C
(70°F)		25°C
(78°F)		28°C
(83°F)		29°C
(85°F)		26°C
(79°F)		22°C
(73°F)		18°C
(64°F)		15°C
(59°F)
Daily mean11°C
(51°F)		11°C
(53°F)		12°C
(54°F)		15°C
(59°F)		18°C
(64°F)		22°C
(72°F)		25°C
(77°F)		26°C
(79°F)		23°C
(73°F)		19°C
(66°F)		15°C
(59°F)		12°C
(54°F)
Average low8°C
(47°F)		9°C
(48°F)		9°C
(49°F)		11°C
(53°F)		15°C
(59°F)		19°C
(66°F)		21°C
(71°F)		22°C
(72°F)		20°C
(68°F)		16°C
(61°F)		12°C
(55°F)		10°C
(50°F)
Mean minimum4°C
(40°F)		4°C
(40°F)		5°C
(41°F)		7°C
(44°F)		11°C
(52°F)		16°C
(60°F)		19°C
(66°F)		18°C
(66°F)		16°C
(60°F)		12°C
(54°F)		8°C
(47°F)		5°C
(42°F)
Minimum3°C
(38°F)		3°C
(39°F)		3°C
(38°F)		5°C
(42°F)		9°C
(48°F)		13°C
(56°F)		18°C
(64°F)		18°C
(64°F)		14°C
(57°F)		10°C
(51°F)		7°C
(45°F)		4°C
(39°F)

Compare climate in Sili with other places

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

Monthly average precipitation in Sili, Italy

Sili usually has the most precipitation in January, November and December, with an average of 12 rainy days and 117 mm (4.6 inches) of precipitation per month. The driest months in Sili are June, July and August. On average, 12 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sili. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)65 (2.6)62 (2.5)59 (2.3)49 (1.9)60 (2.4)19 (0.7)5 (0.2)12 (0.5)47 (1.9)49 (1.9)163 (6.4)124 (4.9)
Average precipitation days (≥ 1 mm)97987312471514

Monthly sunshine hours in Sili, Italy

The sunniest months in Sili are May, June and July, when the sun shines an average of 13 hours 23 minutes a day. Least sunny months in Sili: January, November and December receive an average of 7 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sili. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours205268331352397409424392339317259252
Mean daily daylight hours9h 41m10h 41m11h 57m13h 16m14h 23m14h 56m14h 38m13h 40m12h 24m11h 6m9h 57m9h 22m

Solar UV radiation in Sili, Italy

Sili 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 Sili UV Index data.

Average daily maximum UV levels by month for Sili. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)34689101098642