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Monthly climate in San Juan, Cajamarca, Peru

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification San Juan features a oceanic climate (Cfb).Temperatures typically range between 12 °C (53 °F) and 12 °C (55 °F) through the year, but rarely can drop to 0 °C (33 °F) or can rise to as high as 23 °C (74 °F).The average annual precipitation amounts to about 3148 mm (123.9 inches) and receives 252 rainy days on the 1 mm (0.04 inches) threshold annually.San Juan enjoys an average of 3369 hours of sunshine throughout the year, and daylight varies from 11 hours 42 minutes to 12 hours 31 minutes per day.

Monthly average temperatures in San Juan, Cajamarca, Peru §

The warmest months in San Juan are May, August and September, with daily mean temperatures ranging from 12 to 12 °C (54 - 55 °F) throughout the day. The coldest temperatures usually occur in January, March and October, when daily mean temperatures range from 12 to 12 °C (53 - 54 °F) throughout the day. On average each year, San Juan experiences 0 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 San Juan, Cajamarca, 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 20°C
(69°F)		 21°C
(70°F)		 21°C
(69°F)		 20°C
(69°F)		 21°C
(70°F)		 21°C
(71°F)		 22°C
(71°F)		 23°C
(74°F)		 23°C
(73°F)		 21°C
(71°F)		 21°C
(70°F)		 21°C
(70°F)
Mean maximum 20°C
(68°F)		 20°C
(68°F)		 20°C
(67°F)		 20°C
(67°F)		 20°C
(67°F)		 20°C
(67°F)		 21°C
(70°F)		 22°C
(72°F)		 21°C
(70°F)		 20°C
(69°F)		 20°C
(68°F)		 20°C
(69°F)
Average high 17°C
(63°F)		 17°C
(64°F)		 17°C
(63°F)		 18°C
(64°F)		 18°C
(64°F)		 18°C
(65°F)		 18°C
(65°F)		 19°C
(66°F)		 18°C
(65°F)		 18°C
(64°F)		 18°C
(64°F)		 17°C
(64°F)
Daily mean 12°C
(54°F)		 12°C
(54°F)		 12°C
(53°F)		 12°C
(54°F)		 12°C
(54°F)		 12°C
(54°F)		 12°C
(54°F)		 12°C
(55°F)		 12°C
(54°F)		 12°C
(54°F)		 12°C
(54°F)		 12°C
(54°F)
Average low 8°C
(47°F)		 9°C
(48°F)		 9°C
(48°F)		 8°C
(47°F)		 8°C
(47°F)		 7°C
(45°F)		 7°C
(44°F)		 7°C
(44°F)		 7°C
(45°F)		 8°C
(46°F)		 8°C
(46°F)		 8°C
(47°F)
Mean minimum 6°C
(43°F)		 5°C
(42°F)		 6°C
(43°F)		 7°C
(44°F)		 6°C
(43°F)		 5°C
(42°F)		 5°C
(40°F)		 4°C
(40°F)		 6°C
(42°F)		 5°C
(42°F)		 4°C
(39°F)		 5°C
(41°F)
Minimum 6°C
(42°F)		 3°C
(38°F)		 4°C
(40°F)		 6°C
(43°F)		 5°C
(41°F)		 4°C
(39°F)		 4°C
(39°F)		 3°C
(37°F)		 5°C
(42°F)		 4°C
(40°F)		 0°C
(33°F)		 3°C
(38°F)

Compare climate in San Juan with other places

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

Monthly average precipitation in San Juan, Cajamarca, Peru §

San Juan usually has the most precipitation in February, March and December, with an average of 27 rainy days and 468 mm (18.4 inches) of precipitation per month.The driest months in San Juan are June, July and August. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Juan, Cajamarca, 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) 304 (12.0) 392 (15.4) 599 (23.6) 348 (13.7) 188 (7.4) 70 (2.8) 43 (1.7) 47 (1.9) 154 (6.1) 299 (11.8) 290 (11.4) 413 (16.2)
Average precipitation days (≥ 1 mm) 24 26 29 27 24 12 8 9 18 26 23 26

Monthly sunshine hours in San Juan, Cajamarca, Peru §

The sunniest months in San Juan are June, July and August, when the sun shines an average of 10 hours 40 minutes a day.Least sunny months in San Juan: January, February and March receive an average of 7 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Juan, Cajamarca, 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 214 237 227 263 313 313 333 335 310 285 265 268
Mean daily daylight hours 12h 28m 12h 18m 12h 7m 11h 55m 11h 46m 11h 42m 11h 44m 11h 52m 12h 3m 12h 15m 12h 25m 12h 31m

Solar UV radiation in San Juan, Cajamarca, Peru §

San Juan experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 18 - 19, 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 14. For more detailed information, check out our hourly San Juan UV Index data.

Average daily maximum UV levels by month for San Juan, Cajamarca, 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) 17 18 19 18 15 13 14 14 17 18 16 16