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Monthly climate in Casma, Ancash, Peru

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Casma features a hot desert climate (BWh).Temperatures typically range between 18 °C (64 °F) and 22 °C (72 °F) through the year, but rarely can drop to 14 °C (57 °F) or can rise to as high as 28 °C (82 °F).The average annual precipitation amounts to about 179 mm (7.1 inches) and receives 44 rainy days on the 1 mm (0.04 inches) threshold annually.Casma enjoys an average of 3863 hours of sunshine throughout the year, and daylight varies from 11 hours 33 minutes to 12 hours 39 minutes per day.

Monthly average temperatures in Casma, Ancash, Peru §

The warmest months in Casma are January, February and March, with daily mean temperatures ranging from 21 to 22 °C (70 - 72 °F) throughout the day. The coldest temperatures usually occur in August, September and October, when daily mean temperatures range from 18 to 18 °C (64 - 65 °F) throughout the day. On average each year, Casma experiences 19 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 Casma, Ancash, Peru.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 27°C
(81°F)		 27°C
(82°F)		 28°C
(82°F)		 26°C
(79°F)		 26°C
(79°F)		 24°C
(76°F)		 23°C
(74°F)		 22°C
(73°F)		 22°C
(72°F)		 23°C
(74°F)		 24°C
(75°F)		 26°C
(80°F)
Mean maximum 25°C
(77°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(76°F)		 24°C
(76°F)		 23°C
(73°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(71°F)		 22°C
(72°F)		 23°C
(74°F)		 24°C
(76°F)
Average high 23°C
(74°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(73°F)		 22°C
(71°F)		 21°C
(70°F)		 21°C
(70°F)		 20°C
(69°F)		 21°C
(70°F)		 21°C
(71°F)		 22°C
(72°F)
Daily mean 21°C
(70°F)		 22°C
(72°F)		 22°C
(72°F)		 21°C
(70°F)		 20°C
(68°F)		 19°C
(67°F)		 19°C
(66°F)		 18°C
(65°F)		 18°C
(64°F)		 18°C
(65°F)		 19°C
(66°F)		 20°C
(68°F)
Average low 20°C
(67°F)		 20°C
(69°F)		 21°C
(69°F)		 19°C
(67°F)		 18°C
(65°F)		 17°C
(63°F)		 17°C
(62°F)		 16°C
(61°F)		 16°C
(61°F)		 16°C
(62°F)		 17°C
(63°F)		 18°C
(65°F)
Mean minimum 18°C
(65°F)		 19°C
(67°F)		 20°C
(67°F)		 18°C
(64°F)		 16°C
(62°F)		 15°C
(60°F)		 15°C
(59°F)		 15°C
(59°F)		 15°C
(59°F)		 15°C
(60°F)		 16°C
(60°F)		 17°C
(63°F)
Minimum 17°C
(64°F)		 18°C
(65°F)		 18°C
(65°F)		 16°C
(61°F)		 16°C
(61°F)		 15°C
(59°F)		 14°C
(58°F)		 14°C
(57°F)		 14°C
(58°F)		 15°C
(59°F)		 14°C
(58°F)		 17°C
(62°F)

Compare climate in Casma with other places

Compare temperature, precipitation, sunshine, UV index in Casma, Ancash, Peru with other places around the world.

Monthly average precipitation in Casma, Ancash, Peru §

Casma usually has the most precipitation in January, March and December, with an average of 8 rainy days and 36 mm (1.4 inches) of precipitation per month.The driest months in Casma are June, July and August. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Casma, Ancash, Peru.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) 30 (1.2) 24 (1.0) 49 (1.9) 17 (0.7) 6 (0.2) 1 (0.0) 0 (0.0) 1 (0.0) 5 (0.2) 9 (0.3) 8 (0.3) 28 (1.1)
Average precipitation days (≥ 1 mm) 8 7 12 5 1 0 0 0 1 3 2 5

Monthly sunshine hours in Casma, Ancash, Peru §

The sunniest months in Casma are August, October and December, when the sun shines an average of 10 hours 52 minutes a day.Least sunny months in Casma: January, February and March receive an average of 9 hours 45 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Casma, Ancash, Peru.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 266 303 317 320 333 321 334 336 323 339 329 334
Mean daily daylight hours 12h 35m 12h 23m 12h 7m 11h 52m 11h 39m 11h 33m 11h 37m 11h 47m 12h 2m 12h 18m 12h 32m 12h 39m

Solar UV radiation in Casma, Ancash, Peru §

Casma experiences the highest level of ultraviolet (UV) radiation in January, March and November, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure.June, July and August are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Casma UV Index data.

Average daily maximum UV levels by month for Casma, Ancash, Peru.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 14 15 13 12 10 10 11 13 14 14 13