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Monthly climate in Tarquinia, Italy

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tarquinia features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 9 °C (48 °F) and 26 °C (79 °F) through the year, but rarely can drop to -3 °C (26 °F) or can rise to as high as 34 °C (93 °F). The average annual precipitation amounts to about 753 mm (29.7 inches) and receives 88 rainy days on the 1 mm (0.04 inches) threshold annually. Tarquinia enjoys an average of 3942 hours of sunshine throughout the year, and daylight varies from 9 hours 7 minutes to 15 hours 12 minutes per day.

Monthly average temperatures in Tarquinia, Italy

The warmest months in Tarquinia are June, July and August, 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 9 to 11 °C (48 - 52 °F) throughout the day. On average each year, Tarquinia experiences 88 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tarquinia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum18°C
(64°F)		19°C
(66°F)		21°C
(70°F)		24°C
(76°F)		30°C
(86°F)		32°C
(91°F)		32°C
(89°F)		34°C
(93°F)		30°C
(87°F)		27°C
(81°F)		22°C
(72°F)		18°C
(65°F)
Mean maximum15°C
(60°F)		17°C
(62°F)		19°C
(67°F)		22°C
(72°F)		25°C
(78°F)		29°C
(85°F)		31°C
(88°F)		33°C
(91°F)		29°C
(85°F)		25°C
(77°F)		21°C
(69°F)		17°C
(63°F)
Average high12°C
(54°F)		13°C
(56°F)		15°C
(59°F)		17°C
(63°F)		21°C
(70°F)		26°C
(79°F)		29°C
(84°F)		30°C
(85°F)		26°C
(78°F)		21°C
(70°F)		17°C
(62°F)		13°C
(56°F)
Daily mean9°C
(48°F)		10°C
(51°F)		11°C
(53°F)		14°C
(57°F)		18°C
(64°F)		23°C
(73°F)		25°C
(78°F)		26°C
(79°F)		22°C
(72°F)		18°C
(64°F)		14°C
(58°F)		11°C
(52°F)
Average low6°C
(44°F)		8°C
(46°F)		8°C
(47°F)		11°C
(51°F)		15°C
(59°F)		19°C
(67°F)		22°C
(71°F)		22°C
(73°F)		19°C
(67°F)		15°C
(59°F)		12°C
(54°F)		8°C
(47°F)
Mean minimum2°C
(37°F)		2°C
(36°F)		4°C
(39°F)		5°C
(42°F)		11°C
(52°F)		16°C
(61°F)		19°C
(67°F)		19°C
(66°F)		14°C
(58°F)		12°C
(53°F)		7°C
(44°F)		4°C
(40°F)
Minimum-1°C
(30°F)		-3°C
(26°F)		-3°C
(28°F)		4°C
(39°F)		8°C
(47°F)		14°C
(58°F)		18°C
(64°F)		18°C
(64°F)		12°C
(54°F)		11°C
(51°F)		4°C
(39°F)		2°C
(37°F)

Compare climate in Tarquinia with other places

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

Monthly average precipitation in Tarquinia, Italy

Tarquinia usually has the most precipitation in October, November and December, with an average of 11 rainy days and 116 mm (4.6 inches) of precipitation per month. The driest months in Tarquinia 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 Tarquinia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)60 (2.4)64 (2.5)62 (2.4)55 (2.1)58 (2.3)15 (0.6)17 (0.7)13 (0.5)62 (2.4)86 (3.4)163 (6.4)99 (3.9)
Average precipitation days (≥ 1 mm)78879323691511

Monthly sunshine hours in Tarquinia, Italy

The sunniest months in Tarquinia are May, June and July, when the sun shines an average of 13 hours 37 minutes a day. Least sunny months in Tarquinia: January, November and December receive an average of 7 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tarquinia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours200259325354401419432400339314247244
Mean daily daylight hours9h 28m10h 33m11h 57m13h 23m14h 35m15h 12m14h 52m13h 48m12h 26m11h 1m9h 46m9h 7m

Solar UV radiation in Tarquinia, Italy

Tarquinia 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 Tarquinia UV Index data.

Average daily maximum UV levels by month for Tarquinia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3457810997532