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Monthly climate in Riesi, Sicily, Italy

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Riesi features a hot-summer Mediterranean climate (Csa).Temperatures typically range between 9 °C (49 °F) and 27 °C (81 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 41 °C (106 °F).The average annual precipitation amounts to about 572 mm (22.5 inches) and receives 65 rainy days on the 1 mm (0.04 inches) threshold annually.Riesi enjoys an average of 3942 hours of sunshine throughout the year, and daylight varies from 9 hours 37 minutes to 14 hours 40 minutes per day.

Monthly average temperatures in Riesi, Sicily, Italy §

The warmest months in Riesi are June, July and August, with daily mean temperatures ranging from 24 to 27 °C (75 - 81 °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, Riesi experiences 116 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Riesi, Sicily, 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 20°C
(68°F)		 21°C
(70°F)		 22°C
(71°F)		 28°C
(83°F)		 33°C
(91°F)		 38°C
(101°F)		 39°C
(102°F)		 41°C
(106°F)		 33°C
(91°F)		 29°C
(85°F)		 24°C
(75°F)		 20°C
(68°F)
Mean maximum 17°C
(64°F)		 19°C
(66°F)		 20°C
(69°F)		 26°C
(78°F)		 29°C
(85°F)		 34°C
(93°F)		 37°C
(98°F)		 38°C
(101°F)		 32°C
(90°F)		 28°C
(83°F)		 23°C
(74°F)		 19°C
(67°F)
Average high 14°C
(57°F)		 15°C
(60°F)		 16°C
(61°F)		 19°C
(67°F)		 24°C
(76°F)		 29°C
(85°F)		 32°C
(90°F)		 32°C
(91°F)		 28°C
(84°F)		 23°C
(74°F)		 19°C
(67°F)		 16°C
(60°F)
Daily mean 9°C
(49°F)		 10°C
(51°F)		 12°C
(53°F)		 15°C
(59°F)		 19°C
(66°F)		 24°C
(75°F)		 27°C
(80°F)		 27°C
(81°F)		 24°C
(75°F)		 19°C
(66°F)		 15°C
(59°F)		 11°C
(52°F)
Average low 5°C
(41°F)		 6°C
(42°F)		 7°C
(45°F)		 10°C
(50°F)		 13°C
(56°F)		 18°C
(64°F)		 20°C
(69°F)		 21°C
(70°F)		 19°C
(67°F)		 15°C
(59°F)		 11°C
(53°F)		 7°C
(45°F)
Mean minimum -0°C
(32°F)		 -0°C
(32°F)		 3°C
(37°F)		 4°C
(40°F)		 8°C
(47°F)		 14°C
(57°F)		 18°C
(65°F)		 18°C
(65°F)		 15°C
(58°F)		 10°C
(50°F)		 6°C
(44°F)		 2°C
(35°F)
Minimum -2°C
(29°F)		 -2°C
(29°F)		 -1°C
(30°F)		 2°C
(36°F)		 6°C
(42°F)		 11°C
(52°F)		 17°C
(63°F)		 17°C
(64°F)		 12°C
(53°F)		 8°C
(46°F)		 3°C
(37°F)		 -1°C
(30°F)

Compare climate in Riesi with other places

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

Monthly average precipitation in Riesi, Sicily, Italy §

Riesi usually has the most precipitation in March, October and November, with an average of 10 rainy days and 104 mm (4.1 inches) of precipitation per month.The driest months in Riesi are June, July and August. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Riesi, Sicily, 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) 41 (1.6) 50 (2.0) 56 (2.2) 35 (1.4) 28 (1.1) 10 (0.4) 2 (0.1) 11 (0.4) 36 (1.4) 114 (4.5) 142 (5.6) 47 (1.8)
Average precipitation days (≥ 1 mm) 6 5 8 5 3 2 0 1 5 11 12 7

Monthly sunshine hours in Riesi, Sicily, Italy §

The sunniest months in Riesi are May, June and July, when the sun shines an average of 13 hours 11 minutes a day.Least sunny months in Riesi: January, November and December receive an average of 8 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Riesi, Sicily, 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 216 271 327 347 394 400 418 393 335 306 262 268
Mean daily daylight hours 9h 54m 10h 48m 11h 58m 13h 10m 14h 10m 14h 40m 14h 24m 13h 31m 12h 22m 11h 11m 10h 9m 9h 37m

Solar UV radiation in Riesi, Sicily, Italy §

Riesi experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November and December are in the 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 Riesi UV Index data.

Average daily maximum UV levels by month for Riesi, Sicily, 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 5 6 9 9 10 11 10 8 7 4 3