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Monthly climate in Castelletto Merli, Piedmont, Italy

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Castelletto Merli features a oceanic climate (Cfb). Temperatures typically range between 3 °C (38 °F) and 24 °C (76 °F) through the year, but rarely can drop to -11 °C (13 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1094 mm (43.1 inches) and receives 122 rainy days on the 1 mm (0.04 inches) threshold annually. Castelletto Merli enjoys an average of 3769 hours of sunshine throughout the year, and daylight varies from 8 hours 49 minutes to 15 hours 32 minutes per day.

Monthly average temperatures in Castelletto Merli, Piedmont, Italy §

The warmest months in Castelletto Merli are June, July and August, with daily mean temperatures ranging from 23 to 24 °C (73 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 6 °C (38 - 43 °F) throughout the day. On average each year, Castelletto Merli experiences 89 days above 25 °C (77.0 °F) and 43 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Castelletto Merli, Piedmont, 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 15°C
(59°F)		 20°C
(68°F)		 23°C
(74°F)		 27°C
(81°F)		 31°C
(88°F)		 39°C
(102°F)		 35°C
(95°F)		 37°C
(98°F)		 31°C
(88°F)		 26°C
(80°F)		 18°C
(64°F)		 15°C
(60°F)
Mean maximum 13°C
(55°F)		 17°C
(62°F)		 21°C
(70°F)		 25°C
(77°F)		 28°C
(82°F)		 32°C
(90°F)		 33°C
(93°F)		 34°C
(94°F)		 30°C
(86°F)		 24°C
(76°F)		 17°C
(62°F)		 13°C
(55°F)
Average high 8°C
(47°F)		 11°C
(52°F)		 14°C
(58°F)		 19°C
(66°F)		 22°C
(72°F)		 28°C
(82°F)		 30°C
(85°F)		 30°C
(85°F)		 25°C
(77°F)		 19°C
(67°F)		 12°C
(54°F)		 7°C
(46°F)
Daily mean 3°C
(38°F)		 6°C
(43°F)		 9°C
(49°F)		 13°C
(57°F)		 18°C
(64°F)		 23°C
(73°F)		 24°C
(76°F)		 24°C
(76°F)		 20°C
(68°F)		 14°C
(58°F)		 9°C
(48°F)		 3°C
(38°F)
Average low -1°C
(31°F)		 2°C
(36°F)		 5°C
(40°F)		 9°C
(48°F)		 13°C
(56°F)		 18°C
(65°F)		 20°C
(68°F)		 20°C
(69°F)		 16°C
(61°F)		 11°C
(52°F)		 6°C
(43°F)		 0°C
(33°F)
Mean minimum -4°C
(24°F)		 -3°C
(26°F)		 -1°C
(30°F)		 2°C
(36°F)		 8°C
(47°F)		 14°C
(57°F)		 15°C
(60°F)		 15°C
(60°F)		 9°C
(48°F)		 6°C
(43°F)		 -1°C
(30°F)		 -7°C
(20°F)
Minimum -6°C
(22°F)		 -6°C
(22°F)		 -6°C
(21°F)		 -1°C
(31°F)		 4°C
(40°F)		 12°C
(54°F)		 14°C
(57°F)		 13°C
(55°F)		 6°C
(43°F)		 3°C
(38°F)		 -4°C
(25°F)		 -11°C
(13°F)

Compare climate in Castelletto Merli with other places

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

Monthly average precipitation in Castelletto Merli, Piedmont, Italy §

Castelletto Merli usually has the most precipitation in May, July and November, with an average of 14 rainy days and 135 mm (5.3 inches) of precipitation per month. The driest months in Castelletto Merli are January, February and March. On average, 47 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Castelletto Merli, Piedmont, 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) 43 (1.7) 43 (1.7) 56 (2.2) 88 (3.5) 130 (5.1) 109 (4.3) 123 (4.9) 86 (3.4) 94 (3.7) 99 (3.9) 153 (6.0) 69 (2.7)
Average precipitation days (≥ 1 mm) 5 7 7 9 15 14 14 12 11 8 13 7

Monthly sunshine hours in Castelletto Merli, Piedmont, Italy §

The sunniest months in Castelletto Merli are June, July and August, when the sun shines an average of 13 hours 27 minutes a day. Least sunny months in Castelletto Merli: January, November and December receive an average of 6 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Castelletto Merli, Piedmont, 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 188 234 310 342 394 413 428 395 338 290 212 220
Mean daily daylight hours 9h 12m 10h 24m 11h 56m 13h 31m 14h 51m 15h 32m 15h 10m 13h 59m 12h 28m 10h 55m 9h 32m 8h 49m

Solar UV radiation in Castelletto Merli, Piedmont, Italy §

Castelletto Merli experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, 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 3. For more detailed information, check out our hourly Castelletto Merli UV Index data.

Average daily maximum UV levels by month for Castelletto Merli, Piedmont, 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 3 5 7 8 9 9 8 6 5 3 2

Detailed Monthly Weather Insights for Castelletto Merli, Piedmont, Italy

Discover in-depth weather details for every month in Castelletto Merli. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Castelletto Merli's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.