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Monthly climate in Castro Barros, La Rioja, Argentina

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Castro Barros features a hot semi-arid climate (BSh).Temperatures typically range between 13 °C (55 °F) and 29 °C (84 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 46 °C (115 °F).The average annual precipitation amounts to about 509 mm (20.0 inches) and receives 64 rainy days on the 1 mm (0.04 inches) threshold annually.Castro Barros enjoys an average of 3625 hours of sunshine throughout the year, and daylight varies from 10 hours 11 minutes to 14 hours 4 minutes per day.

Monthly average temperatures in Castro Barros, La Rioja, Argentina §

The warmest months in Castro Barros are January, February and December, with daily mean temperatures ranging from 27 to 29 °C (81 - 84 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 13 to 16 °C (55 - 61 °F) throughout the day. On average each year, Castro Barros experiences 215 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 Castro Barros, La Rioja, Argentina.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 44°C
(112°F)		 43°C
(109°F)		 42°C
(107°F)		 38°C
(100°F)		 31°C
(88°F)		 28°C
(82°F)		 30°C
(86°F)		 35°C
(95°F)		 39°C
(103°F)		 42°C
(108°F)		 42°C
(108°F)		 46°C
(115°F)
Mean maximum 42°C
(108°F)		 41°C
(106°F)		 39°C
(102°F)		 33°C
(92°F)		 29°C
(84°F)		 24°C
(75°F)		 27°C
(80°F)		 33°C
(92°F)		 37°C
(99°F)		 41°C
(106°F)		 41°C
(106°F)		 43°C
(110°F)
Average high 35°C
(96°F)		 33°C
(92°F)		 31°C
(88°F)		 27°C
(82°F)		 23°C
(73°F)		 20°C
(67°F)		 19°C
(67°F)		 24°C
(75°F)		 27°C
(80°F)		 30°C
(87°F)		 33°C
(91°F)		 35°C
(95°F)
Daily mean 29°C
(84°F)		 27°C
(81°F)		 25°C
(77°F)		 22°C
(71°F)		 17°C
(62°F)		 13°C
(56°F)		 13°C
(55°F)		 16°C
(61°F)		 20°C
(68°F)		 23°C
(75°F)		 26°C
(79°F)		 28°C
(83°F)
Average low 23°C
(74°F)		 22°C
(72°F)		 20°C
(68°F)		 17°C
(63°F)		 12°C
(54°F)		 8°C
(46°F)		 7°C
(45°F)		 9°C
(49°F)		 13°C
(56°F)		 17°C
(63°F)		 20°C
(68°F)		 22°C
(72°F)
Mean minimum 18°C
(64°F)		 16°C
(62°F)		 14°C
(57°F)		 11°C
(51°F)		 4°C
(39°F)		 2°C
(35°F)		 -1°C
(31°F)		 2°C
(36°F)		 5°C
(42°F)		 9°C
(48°F)		 13°C
(56°F)		 16°C
(61°F)
Minimum 15°C
(59°F)		 15°C
(59°F)		 11°C
(51°F)		 7°C
(45°F)		 1°C
(35°F)		 -3°C
(27°F)		 -3°C
(27°F)		 -2°C
(29°F)		 4°C
(40°F)		 7°C
(46°F)		 10°C
(51°F)		 12°C
(55°F)

Compare climate in Castro Barros with other places

Compare temperature, precipitation, sunshine, UV index in Castro Barros, La Rioja, Argentina with other places around the world.

Monthly average precipitation in Castro Barros, La Rioja, Argentina §

Castro Barros usually has the most precipitation in January, March and April, with an average of 8 rainy days and 74 mm (2.9 inches) of precipitation per month.The driest months in Castro Barros are June, July and August. On average, 4 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Castro Barros, La Rioja, Argentina.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) 83 (3.3) 61 (2.4) 71 (2.8) 69 (2.7) 31 (1.2) 7 (0.3) 6 (0.2) 1 (0.0) 25 (1.0) 22 (0.9) 66 (2.6) 66 (2.6)
Average precipitation days (≥ 1 mm) 8 8 8 8 6 1 2 0 3 3 8 9

Monthly sunshine hours in Castro Barros, La Rioja, Argentina §

The sunniest months in Castro Barros are October, November and December, when the sun shines an average of 11 hours 36 minutes a day.Least sunny months in Castro Barros: April, May and June receive an average of 8 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Castro Barros, La Rioja, Argentina.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 296 317 316 241 236 254 272 310 309 334 355 379
Mean daily daylight hours 13h 50m 13h 7m 12h 13m 11h 18m 10h 32m 10h 11m 10h 22m 11h 2m 11h 55m 12h 50m 13h 39m 14h 4m

Solar UV radiation in Castro Barros, La Rioja, Argentina §

Castro Barros experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure.May, June and July are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Castro Barros UV Index data.

Average daily maximum UV levels by month for Castro Barros, La Rioja, Argentina.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) 14 13 12 9 6 4 5 7 9 12 14 15