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Monthly climate in Rio Seco, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rio Seco features a oceanic climate (Cfb). Temperatures typically range between 16 °C (62 °F) and 18 °C (65 °F) through the year, but rarely can drop to 7 °C (45 °F) or can rise to as high as 27 °C (81 °F). The average annual precipitation amounts to about 2982 mm (117.4 inches) and receives 268 rainy days on the 1 mm (0.04 inches) threshold annually. Rio Seco enjoys an average of 3305 hours of sunshine throughout the year, and daylight varies from 11 hours 28 minutes to 12 hours 44 minutes per day.

Monthly average temperatures in Rio Seco, Peru

The warmest months in Rio Seco are October, November and December, with daily mean temperatures ranging from 18 to 18 °C (65 - 65 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 16 to 17 °C (62 - 63 °F) throughout the day. On average each year, Rio Seco experiences 9 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 Rio Seco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum27°C
(81°F)		26°C
(79°F)		25°C
(78°F)		26°C
(79°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		25°C
(77°F)		26°C
(80°F)		27°C
(81°F)		26°C
(80°F)		26°C
(79°F)
Mean maximum26°C
(78°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		24°C
(76°F)		23°C
(75°F)		24°C
(75°F)		24°C
(76°F)		26°C
(78°F)		26°C
(78°F)		25°C
(77°F)		25°C
(77°F)
Average high22°C
(72°F)		22°C
(71°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		21°C
(71°F)		21°C
(71°F)		22°C
(71°F)		23°C
(73°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)
Daily mean18°C
(64°F)		18°C
(64°F)		18°C
(65°F)		18°C
(64°F)		17°C
(64°F)		17°C
(63°F)		16°C
(62°F)		17°C
(62°F)		18°C
(64°F)		18°C
(65°F)		18°C
(65°F)		18°C
(65°F)
Average low15°C
(60°F)		15°C
(60°F)		15°C
(59°F)		14°C
(58°F)		14°C
(57°F)		13°C
(56°F)		12°C
(54°F)		12°C
(54°F)		13°C
(56°F)		14°C
(58°F)		15°C
(59°F)		15°C
(60°F)
Mean minimum13°C
(56°F)		14°C
(57°F)		13°C
(56°F)		12°C
(54°F)		11°C
(52°F)		11°C
(52°F)		9°C
(48°F)		9°C
(48°F)		11°C
(51°F)		12°C
(53°F)		13°C
(56°F)		14°C
(58°F)
Minimum12°C
(54°F)		13°C
(56°F)		12°C
(54°F)		9°C
(49°F)		8°C
(46°F)		8°C
(46°F)		7°C
(45°F)		7°C
(45°F)		10°C
(51°F)		11°C
(51°F)		12°C
(53°F)		13°C
(57°F)

Compare climate in Rio Seco with other places

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

Monthly average precipitation in Rio Seco, Peru

Rio Seco usually has the most precipitation in January, February and December, with an average of 27 rainy days and 476 mm (18.8 inches) of precipitation per month. The driest months in Rio Seco are July, August and September. On average, 70 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rio Seco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)485 (19.1)513 (20.2)404 (15.9)236 (9.3)119 (4.7)99 (3.9)60 (2.4)66 (2.6)86 (3.4)166 (6.5)318 (12.5)431 (17.0)
Average precipitation days (≥ 1 mm)242829262416111416242729

Monthly sunshine hours in Rio Seco, Peru

The sunniest months in Rio Seco are May, July and August, when the sun shines an average of 10 hours 26 minutes a day. Least sunny months in Rio Seco: January, February and November receive an average of 7 hours 9 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rio Seco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours192210261275318297322329309296241249
Mean daily daylight hours12h 40m12h 26m12h 7m11h 49m11h 35m11h 28m11h 32m11h 44m12h 1m12h 20m12h 36m12h 44m

Solar UV radiation in Rio Seco, Peru

Rio Seco experiences the highest level of ultraviolet (UV) radiation in January, March and November, when the maximum UV index can reach values of 17 - 17, 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 Rio Seco UV Index data.

Average daily maximum UV levels by month for Rio Seco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)171717161311111314161716