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Monthly climate in Grosseto, Tuscany, Italy

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Grosseto features a hot-summer Mediterranean climate (Csa).Temperatures typically range between 9 °C (49 °F) and 26 °C (79 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 741 mm (29.2 inches) and receives 90 rainy days on the 1 mm (0.04 inches) threshold annually.Grosseto enjoys an average of 3934 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 Grosseto, Tuscany, Italy §

The warmest months in Grosseto 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 (49 - 52 °F) throughout the day. On average each year, Grosseto 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 Grosseto, Tuscany, 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)		 18°C
(66°F)		 22°C
(72°F)		 24°C
(75°F)		 29°C
(85°F)		 33°C
(92°F)		 33°C
(92°F)		 34°C
(94°F)		 31°C
(88°F)		 27°C
(80°F)		 21°C
(70°F)		 18°C
(64°F)
Mean maximum 15°C
(60°F)		 17°C
(62°F)		 20°C
(67°F)		 22°C
(72°F)		 25°C
(78°F)		 29°C
(85°F)		 32°C
(89°F)		 33°C
(91°F)		 29°C
(85°F)		 25°C
(77°F)		 20°C
(69°F)		 17°C
(63°F)
Average high 12°C
(54°F)		 13°C
(57°F)		 15°C
(59°F)		 18°C
(64°F)		 21°C
(70°F)		 26°C
(79°F)		 29°C
(84°F)		 30°C
(86°F)		 26°C
(79°F)		 21°C
(71°F)		 17°C
(62°F)		 13°C
(56°F)
Daily mean 9°C
(49°F)		 11°C
(51°F)		 12°C
(53°F)		 14°C
(58°F)		 18°C
(65°F)		 23°C
(73°F)		 25°C
(78°F)		 26°C
(79°F)		 23°C
(73°F)		 18°C
(65°F)		 14°C
(58°F)		 11°C
(52°F)
Average low 7°C
(45°F)		 8°C
(46°F)		 9°C
(48°F)		 11°C
(52°F)		 15°C
(59°F)		 19°C
(67°F)		 22°C
(71°F)		 23°C
(73°F)		 19°C
(67°F)		 15°C
(60°F)		 12°C
(54°F)		 9°C
(48°F)
Mean minimum 3°C
(38°F)		 3°C
(38°F)		 4°C
(39°F)		 6°C
(43°F)		 11°C
(52°F)		 16°C
(61°F)		 19°C
(67°F)		 19°C
(67°F)		 15°C
(59°F)		 12°C
(54°F)		 7°C
(45°F)		 5°C
(40°F)
Minimum -0°C
(31°F)		 -2°C
(29°F)		 -1°C
(30°F)		 5°C
(41°F)		 9°C
(48°F)		 14°C
(58°F)		 18°C
(65°F)		 18°C
(64°F)		 13°C
(56°F)		 11°C
(53°F)		 5°C
(41°F)		 4°C
(39°F)

Compare climate in Grosseto with other places

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

Monthly average precipitation in Grosseto, Tuscany, Italy §

Grosseto usually has the most precipitation in October, November and December, with an average of 11 rainy days and 117 mm (4.6 inches) of precipitation per month.The driest months in Grosseto are June, July and August. On average, 17 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grosseto, Tuscany, 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) 51 (2.0) 56 (2.2) 52 (2.0) 56 (2.2) 57 (2.2) 17 (0.7) 22 (0.9) 13 (0.5) 66 (2.6) 88 (3.5) 160 (6.3) 103 (4.1)
Average precipitation days (≥ 1 mm) 6 8 7 7 10 3 3 3 8 9 15 11

Monthly sunshine hours in Grosseto, Tuscany, Italy §

The sunniest months in Grosseto are June, July and August, when the sun shines an average of 13 hours 38 minutes a day.Least sunny months in Grosseto: January, November and December receive an average of 7 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grosseto, Tuscany, 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 199 257 326 355 401 419 432 402 341 314 247 236
Mean daily daylight hours 9h 24m 10h 31m 11h 57m 13h 24m 14h 39m 15h 16m 14h 56m 13h 50m 12h 26m 10h 59m 9h 43m 9h 3m

Solar UV radiation in Grosseto, Tuscany, Italy §

Grosseto 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 Grosseto UV Index data.

Average daily maximum UV levels by month for Grosseto, Tuscany, 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) 2 4 5 7 8 10 9 9 7 5 3 2