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Monthly climate in San Marcos, Ancash, Peru

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Marcos features a ice cap climate ET).Temperatures typically range between 4 °C (39 °F) and 6 °C (42 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 16 °C (61 °F).The average annual precipitation amounts to about 1830 mm (72.0 inches) and receives 283 rainy days on the 1 mm (0.04 inches) threshold annually.San Marcos enjoys an average of 3443 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 San Marcos, Ancash, Peru §

The warmest months in San Marcos are February, November and December, with daily mean temperatures ranging from 6 to 6 °C (42 - 42 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 4 to 4 °C (39 - 40 °F) throughout the day. On average each year, San Marcos experiences 0 days above 25 °C (77.0 °F) and 124 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in San Marcos, 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 14°C
(58°F)		 14°C
(58°F)		 13°C
(56°F)		 14°C
(57°F)		 14°C
(58°F)		 14°C
(57°F)		 15°C
(59°F)		 15°C
(59°F)		 14°C
(57°F)		 15°C
(59°F)		 15°C
(59°F)		 16°C
(61°F)
Mean maximum 14°C
(57°F)		 14°C
(57°F)		 13°C
(56°F)		 13°C
(56°F)		 13°C
(56°F)		 13°C
(56°F)		 14°C
(57°F)		 13°C
(56°F)		 13°C
(56°F)		 14°C
(57°F)		 14°C
(57°F)		 14°C
(58°F)
Average high 11°C
(51°F)		 11°C
(53°F)		 11°C
(52°F)		 11°C
(52°F)		 11°C
(52°F)		 11°C
(52°F)		 11°C
(52°F)		 11°C
(52°F)		 11°C
(51°F)		 11°C
(52°F)		 11°C
(53°F)		 11°C
(52°F)
Daily mean 5°C
(42°F)		 6°C
(42°F)		 5°C
(42°F)		 5°C
(42°F)		 5°C
(41°F)		 5°C
(41°F)		 4°C
(39°F)		 4°C
(40°F)		 4°C
(40°F)		 5°C
(41°F)		 6°C
(42°F)		 6°C
(42°F)
Average low 1°C
(34°F)		 2°C
(35°F)		 2°C
(35°F)		 1°C
(34°F)		 0°C
(33°F)		 -1°C
(31°F)		 -2°C
(29°F)		 -2°C
(29°F)		 -1°C
(31°F)		 0°C
(33°F)		 1°C
(34°F)		 1°C
(35°F)
Mean minimum -2°C
(28°F)		 -2°C
(29°F)		 -1°C
(30°F)		 -3°C
(28°F)		 -3°C
(27°F)		 -3°C
(26°F)		 -5°C
(23°F)		 -5°C
(23°F)		 -4°C
(26°F)		 -3°C
(27°F)		 -3°C
(28°F)		 -3°C
(27°F)
Minimum -5°C
(23°F)		 -4°C
(26°F)		 -3°C
(27°F)		 -4°C
(24°F)		 -4°C
(26°F)		 -5°C
(23°F)		 -7°C
(20°F)		 -7°C
(20°F)		 -5°C
(24°F)		 -4°C
(24°F)		 -5°C
(24°F)		 -5°C
(23°F)

Compare climate in San Marcos with other places

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

Monthly average precipitation in San Marcos, Ancash, Peru §

San Marcos usually has the most precipitation in February, March and December, with an average of 29 rainy days and 243 mm (9.6 inches) of precipitation per month.The driest months in San Marcos are June, July and August. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Marcos, 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) 209 (8.2) 224 (8.8) 272 (10.7) 159 (6.2) 101 (4.0) 51 (2.0) 41 (1.6) 55 (2.2) 114 (4.5) 179 (7.0) 194 (7.6) 232 (9.1)
Average precipitation days (≥ 1 mm) 26 27 31 28 24 13 12 14 23 28 28 29

Monthly sunshine hours in San Marcos, Ancash, Peru §

The sunniest months in San Marcos are May, July and August, when the sun shines an average of 10 hours 50 minutes a day.Least sunny months in San Marcos: January, February and March receive an average of 7 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Marcos, 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 199 224 236 288 331 321 338 338 324 309 266 264
Mean daily daylight hours 12h 35m 12h 23m 12h 7m 11h 52m 11h 39m 11h 33m 11h 36m 11h 47m 12h 2m 12h 18m 12h 32m 12h 39m

Solar UV radiation in San Marcos, Ancash, Peru §

San Marcos experiences the highest level of ultraviolet (UV) radiation in January, February and March, when the maximum UV index can reach values of 20 - 21, which corresponds to the Extreme category of sun exposure.June, July and August are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 15. For more detailed information, check out our hourly San Marcos UV Index data.

Average daily maximum UV levels by month for San Marcos, 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) 21 20 21 19 16 13 15 15 19 19 18 19