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Monthly climate in Castelli, Argentina

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Castelli features a oceanic climate (Cfb). Temperatures typically range between 10 °C (49 °F) and 23 °C (74 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 41 °C (107 °F). The average annual precipitation amounts to about 814 mm (32.1 inches) and receives 93 rainy days on the 1 mm (0.04 inches) threshold annually. Castelli enjoys an average of 3339 hours of sunshine throughout the year, and daylight varies from 9 hours 43 minutes to 14 hours 33 minutes per day.

Monthly average temperatures in Castelli, Argentina

The warmest months in Castelli are January, February and December, with daily mean temperatures ranging from 21 to 23 °C (70 - 74 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 10 to 11 °C (49 - 52 °F) throughout the day. On average each year, Castelli experiences 95 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 Castelli. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum41°C
(107°F)		36°C
(97°F)		34°C
(93°F)		30°C
(87°F)		26°C
(80°F)		24°C
(75°F)		24°C
(75°F)		25°C
(78°F)		27°C
(81°F)		34°C
(93°F)		35°C
(95°F)		37°C
(98°F)
Mean maximum36°C
(96°F)		34°C
(94°F)		31°C
(89°F)		28°C
(82°F)		25°C
(77°F)		19°C
(67°F)		21°C
(70°F)		24°C
(75°F)		26°C
(78°F)		29°C
(85°F)		32°C
(90°F)		34°C
(94°F)
Average high28°C
(83°F)		27°C
(81°F)		25°C
(77°F)		22°C
(72°F)		18°C
(65°F)		15°C
(59°F)		14°C
(57°F)		16°C
(61°F)		18°C
(64°F)		20°C
(69°F)		24°C
(75°F)		27°C
(80°F)
Daily mean23°C
(74°F)		22°C
(72°F)		20°C
(68°F)		17°C
(64°F)		13°C
(56°F)		11°C
(51°F)		10°C
(49°F)		11°C
(52°F)		13°C
(56°F)		15°C
(60°F)		19°C
(66°F)		21°C
(70°F)
Average low18°C
(64°F)		17°C
(63°F)		15°C
(60°F)		13°C
(56°F)		9°C
(49°F)		7°C
(44°F)		6°C
(43°F)		7°C
(44°F)		9°C
(48°F)		11°C
(51°F)		14°C
(57°F)		16°C
(60°F)
Mean minimum10°C
(51°F)		9°C
(49°F)		8°C
(47°F)		7°C
(44°F)		3°C
(38°F)		0°C
(32°F)		-0°C
(32°F)		0°C
(33°F)		4°C
(39°F)		4°C
(39°F)		7°C
(45°F)		9°C
(48°F)
Minimum9°C
(48°F)		8°C
(46°F)		6°C
(42°F)		4°C
(39°F)		2°C
(35°F)		-1°C
(30°F)		-1°C
(31°F)		-2°C
(29°F)		0°C
(33°F)		3°C
(37°F)		6°C
(43°F)		6°C
(43°F)

Compare climate in Castelli with other places

Compare temperature, precipitation, sunshine, UV index in Castelli, Argentina with other places around the world.

Monthly average precipitation in Castelli, Argentina

Castelli usually has the most precipitation in March, April and December, with an average of 9 rainy days and 89 mm (3.5 inches) of precipitation per month. The driest months in Castelli are May, July and August. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Castelli. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)60 (2.4)65 (2.6)89 (3.5)89 (3.5)51 (2.0)63 (2.5)60 (2.4)47 (1.9)74 (2.9)61 (2.4)65 (2.6)90 (3.6)
Average precipitation days (≥ 1 mm)7710867867999

Monthly sunshine hours in Castelli, Argentina

The sunniest months in Castelli are February, November and December, when the sun shines an average of 11 hours 29 minutes a day. Least sunny months in Castelli: May, June and July receive an average of 6 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Castelli. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours299315308251228204204251250306335383
Mean daily daylight hours14h 16m13h 22m12h 15m11h 7m10h 10m9h 43m9h 58m10h 47m11h 52m13h 1m14h 2m14h 33m

Solar UV radiation in Castelli, Argentina

Castelli experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Castelli UV Index data.

Average daily maximum UV levels by month for Castelli. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141311753457101214