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Monthly climate in Callao, Peru

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Callao features a cold desert climate (BWk).Temperatures typically range between 17 °C (62 °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 254 mm (10.0 inches) and receives 55 rainy days on the 1 mm (0.04 inches) threshold annually.Callao enjoys an average of 3855 hours of sunshine throughout the year, and daylight varies from 11 hours 24 minutes to 12 hours 48 minutes per day.

Monthly average temperatures in Callao, Peru §

The warmest months in Callao are January, February and March, with daily mean temperatures ranging from 21 to 22 °C (71 - 72 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 17 to 17 °C (62 - 63 °F) throughout the day. On average each year, Callao experiences 23 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 Callao, 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)		 28°C
(82°F)		 27°C
(81°F)		 26°C
(79°F)		 25°C
(78°F)		 21°C
(71°F)		 21°C
(69°F)		 20°C
(69°F)		 20°C
(69°F)		 21°C
(71°F)		 23°C
(74°F)		 25°C
(76°F)
Mean maximum 26°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 24°C
(76°F)		 23°C
(74°F)		 20°C
(69°F)		 20°C
(69°F)		 20°C
(68°F)		 20°C
(68°F)		 21°C
(70°F)		 22°C
(72°F)		 24°C
(75°F)
Average high 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°F)		 23°C
(73°F)		 21°C
(70°F)		 20°C
(68°F)		 19°C
(66°F)		 19°C
(66°F)		 19°C
(66°F)		 20°C
(68°F)		 21°C
(69°F)		 22°C
(72°F)
Daily mean 21°C
(71°F)		 22°C
(72°F)		 22°C
(72°F)		 20°C
(69°F)		 19°C
(66°F)		 18°C
(64°F)		 17°C
(63°F)		 17°C
(62°F)		 17°C
(62°F)		 17°C
(63°F)		 18°C
(65°F)		 20°C
(68°F)
Average low 20°C
(68°F)		 20°C
(69°F)		 20°C
(69°F)		 19°C
(66°F)		 17°C
(63°F)		 16°C
(62°F)		 16°C
(60°F)		 15°C
(60°F)		 15°C
(60°F)		 16°C
(61°F)		 17°C
(62°F)		 18°C
(65°F)
Mean minimum 19°C
(66°F)		 19°C
(67°F)		 19°C
(66°F)		 17°C
(63°F)		 16°C
(61°F)		 15°C
(59°F)		 15°C
(58°F)		 14°C
(58°F)		 14°C
(58°F)		 15°C
(59°F)		 16°C
(60°F)		 17°C
(62°F)
Minimum 17°C
(64°F)		 18°C
(65°F)		 17°C
(64°F)		 15°C
(60°F)		 14°C
(58°F)		 15°C
(59°F)		 14°C
(57°F)		 14°C
(57°F)		 14°C
(57°F)		 14°C
(58°F)		 15°C
(59°F)		 16°C
(62°F)

Compare climate in Callao with other places

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

Monthly average precipitation in Callao, Peru §

Callao usually has the most precipitation in January, February and March, with an average of 13 rainy days and 50 mm (2.0 inches) of precipitation per month.The driest months in Callao are May, October and November. On average, 9 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Callao, 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) 47 (1.9) 53 (2.1) 50 (2.0) 18 (0.7) 9 (0.4) 10 (0.4) 11 (0.4) 10 (0.4) 10 (0.4) 10 (0.4) 9 (0.4) 17 (0.7)
Average precipitation days (≥ 1 mm) 15 12 14 5 1 0 0 0 1 2 2 3

Monthly sunshine hours in Callao, Peru §

The sunniest months in Callao are August, October and December, when the sun shines an average of 10 hours 53 minutes a day.Least sunny months in Callao: January, February and June receive an average of 9 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Callao, 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 269 300 320 320 330 313 327 334 326 340 332 338
Mean daily daylight hours 12h 43m 12h 28m 12h 8m 11h 48m 11h 32m 11h 24m 11h 28m 11h 42m 12h 1m 12h 21m 12h 39m 12h 48m

Solar UV radiation in Callao, Peru §

Callao experiences the highest level of ultraviolet (UV) radiation in January, March and November, when the maximum UV index can reach values of 14 - 14, which corresponds to the Extreme category of sun exposure.May, June and July are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 10. For more detailed information, check out our hourly Callao UV Index data.

Average daily maximum UV levels by month for Callao, 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 14 12 10 9 10 11 12 13 14 13