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Monthly climate in San Cristobal, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Cristobal features a oceanic climate (Cfb). Temperatures typically range between 16 °C (61 °F) and 17 °C (62 °F) through the year, but rarely can drop to 7 °C (46 °F) or can rise to as high as 26 °C (80 °F). The average annual precipitation amounts to about 1910 mm (75.2 inches) and receives 246 rainy days on the 1 mm (0.04 inches) threshold annually. San Cristobal enjoys an average of 3613 hours of sunshine throughout the year, and daylight varies from 11 hours 48 minutes to 12 hours 24 minutes per day.

Monthly average temperatures in San Cristobal, Peru

The warmest months in San Cristobal are February, March and April, with daily mean temperatures ranging from 17 to 17 °C (62 - 62 °F) throughout the day. The coldest temperatures usually occur in June, July and November, when daily mean temperatures range from 16 to 16 °C (61 - 61 °F) throughout the day. On average each year, San Cristobal experiences 1 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 Cristobal. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum25°C
(78°F)		25°C
(76°F)		25°C
(77°F)		24°C
(76°F)		24°C
(76°F)		25°C
(76°F)		24°C
(76°F)		26°C
(80°F)		25°C
(78°F)		25°C
(77°F)		25°C
(76°F)		23°C
(74°F)
Mean maximum24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(73°F)		24°C
(75°F)		25°C
(77°F)		25°C
(77°F)		24°C
(75°F)		23°C
(74°F)		23°C
(74°F)
Average high21°C
(70°F)		21°C
(71°F)		21°C
(70°F)		22°C
(71°F)		21°C
(71°F)		21°C
(71°F)		22°C
(72°F)		23°C
(73°F)		22°C
(73°F)		21°C
(71°F)		21°C
(70°F)		21°C
(70°F)
Daily mean17°C
(62°F)		17°C
(62°F)		17°C
(62°F)		17°C
(62°F)		17°C
(62°F)		16°C
(61°F)		16°C
(61°F)		16°C
(61°F)		16°C
(62°F)		16°C
(61°F)		16°C
(61°F)		16°C
(62°F)
Average low13°C
(56°F)		13°C
(56°F)		13°C
(56°F)		13°C
(56°F)		13°C
(55°F)		12°C
(54°F)		11°C
(53°F)		11°C
(52°F)		12°C
(53°F)		12°C
(54°F)		12°C
(54°F)		13°C
(55°F)
Mean minimum11°C
(52°F)		10°C
(51°F)		11°C
(53°F)		11°C
(52°F)		11°C
(51°F)		10°C
(50°F)		9°C
(49°F)		8°C
(48°F)		10°C
(49°F)		10°C
(50°F)		10°C
(50°F)		10°C
(50°F)
Minimum9°C
(49°F)		8°C
(47°F)		9°C
(49°F)		11°C
(51°F)		9°C
(49°F)		9°C
(48°F)		9°C
(48°F)		7°C
(46°F)		8°C
(46°F)		9°C
(49°F)		8°C
(47°F)		8°C
(47°F)

Compare climate in San Cristobal with other places

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

Monthly average precipitation in San Cristobal, Peru

San Cristobal usually has the most precipitation in February, March and April, with an average of 27 rainy days and 301 mm (11.8 inches) of precipitation per month. The driest months in San Cristobal are July, August and September. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Cristobal. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)198 (7.8)264 (10.4)400 (15.8)238 (9.4)130 (5.1)55 (2.2)39 (1.5)34 (1.3)48 (1.9)149 (5.9)157 (6.2)199 (7.8)
Average precipitation days (≥ 1 mm)2325302726168813232126

Monthly sunshine hours in San Cristobal, Peru

The sunniest months in San Cristobal are May, July and August, when the sun shines an average of 10 hours 44 minutes a day. Least sunny months in San Cristobal: January, February and March receive an average of 8 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Cristobal. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours241269262286325319337336321312293306
Mean daily daylight hours12h 22m12h 15m12h 6m11h 58m11h 51m11h 48m11h 49m11h 55m12h 3m12h 12m12h 20m12h 24m

Solar UV radiation in San Cristobal, Peru

San Cristobal experiences the highest level of ultraviolet (UV) radiation in March, April and September, when the maximum UV index can reach values of 16 - 17, 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 13. For more detailed information, check out our hourly San Cristobal UV Index data.

Average daily maximum UV levels by month for San Cristobal. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161617171412121316161514