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Monthly climate in San Jeronimo, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Jeronimo features a oceanic climate (Cfb). Temperatures typically range between 8 °C (47 °F) and 11 °C (52 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 21 °C (71 °F). The average annual precipitation amounts to about 1305 mm (51.4 inches) and receives 226 rainy days on the 1 mm (0.04 inches) threshold annually. San Jeronimo enjoys an average of 3488 hours of sunshine throughout the year, and daylight varies from 11 hours 18 minutes to 12 hours 54 minutes per day.

Monthly average temperatures in San Jeronimo, Peru

The warmest months in San Jeronimo are October, November and December, with daily mean temperatures ranging from 11 to 11 °C (51 - 52 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 8 to 9 °C (47 - 48 °F) throughout the day. On average each year, San Jeronimo experiences 0 days above 25 °C (77.0 °F) and 5 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 Jeronimo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(67°F)		18°C
(65°F)		17°C
(64°F)		19°C
(66°F)		19°C
(66°F)		18°C
(65°F)		19°C
(66°F)		20°C
(68°F)		20°C
(68°F)		21°C
(71°F)		20°C
(69°F)		19°C
(67°F)
Mean maximum18°C
(65°F)		17°C
(64°F)		17°C
(62°F)		17°C
(63°F)		17°C
(63°F)		16°C
(62°F)		17°C
(63°F)		17°C
(64°F)		19°C
(66°F)		20°C
(68°F)		19°C
(67°F)		19°C
(66°F)
Average high15°C
(59°F)		15°C
(59°F)		15°C
(59°F)		15°C
(59°F)		15°C
(59°F)		14°C
(58°F)		15°C
(59°F)		15°C
(59°F)		16°C
(60°F)		16°C
(61°F)		16°C
(62°F)		16°C
(61°F)
Daily mean10°C
(51°F)		10°C
(51°F)		10°C
(51°F)		10°C
(50°F)		9°C
(49°F)		9°C
(48°F)		8°C
(47°F)		9°C
(48°F)		10°C
(50°F)		11°C
(51°F)		11°C
(52°F)		11°C
(52°F)
Average low7°C
(45°F)		7°C
(45°F)		7°C
(45°F)		6°C
(43°F)		4°C
(40°F)		3°C
(38°F)		2°C
(36°F)		3°C
(38°F)		5°C
(41°F)		6°C
(43°F)		7°C
(45°F)		7°C
(45°F)
Mean minimum5°C
(41°F)		5°C
(42°F)		5°C
(42°F)		3°C
(37°F)		1°C
(34°F)		1°C
(34°F)		-1°C
(31°F)		-1°C
(31°F)		2°C
(37°F)		3°C
(39°F)		5°C
(42°F)		5°C
(41°F)
Minimum3°C
(38°F)		5°C
(40°F)		4°C
(40°F)		1°C
(35°F)		0°C
(33°F)		-1°C
(30°F)		-2°C
(29°F)		-2°C
(29°F)		1°C
(34°F)		2°C
(35°F)		4°C
(40°F)		3°C
(38°F)

Compare climate in San Jeronimo with other places

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

Monthly average precipitation in San Jeronimo, Peru

San Jeronimo usually has the most precipitation in February, March and December, with an average of 28 rainy days and 213 mm (8.4 inches) of precipitation per month. The driest months in San Jeronimo are June, July and August. On average, 16 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Jeronimo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)191 (7.5)232 (9.1)204 (8.0)97 (3.8)34 (1.3)16 (0.6)14 (0.5)20 (0.8)42 (1.6)95 (3.7)160 (6.3)202 (8.0)
Average precipitation days (≥ 1 mm)242730241233716252728

Monthly sunshine hours in San Jeronimo, Peru

The sunniest months in San Jeronimo are July, August and September, when the sun shines an average of 10 hours 40 minutes a day. Least sunny months in San Jeronimo: January, February and December receive an average of 7 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Jeronimo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours219233281286321308326333322316275263
Mean daily daylight hours12h 48m12h 31m12h 8m11h 45m11h 27m11h 18m11h 23m11h 39m12h 1m12h 24m12h 44m12h 54m

Solar UV radiation in San Jeronimo, Peru

San Jeronimo experiences the highest level of ultraviolet (UV) radiation in March, November and December, when the maximum UV index can reach values of 18 - 18, which corresponds to the Extreme category of sun exposure. May, June and July 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 Jeronimo UV Index data.

Average daily maximum UV levels by month for San Jeronimo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)181818171311131416171818