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Monthly climate in Olto, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Olto features a oceanic climate (Cfb). Temperatures typically range between 14 °C (57 °F) and 15 °C (60 °F) through the year, but rarely can drop to 7 °C (44 °F) or can rise to as high as 24 °C (75 °F). The average annual precipitation amounts to about 3092 mm (121.7 inches) and receives 327 rainy days on the 1 mm (0.04 inches) threshold annually. Olto enjoys an average of 3443 hours of sunshine throughout the year, and daylight varies from 11 hours 45 minutes to 12 hours 27 minutes per day.

Monthly average temperatures in Olto, Peru

The warmest months in Olto are February, November and December, with daily mean temperatures ranging from 15 to 15 °C (60 - 60 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 14 to 14 °C (57 - 57 °F) throughout the day. On average each year, Olto 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 Olto. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum24°C
(75°F)		24°C
(75°F)		23°C
(73°F)		22°C
(72°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		21°C
(71°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)
Mean maximum22°C
(72°F)		23°C
(73°F)		22°C
(72°F)		22°C
(71°F)		22°C
(72°F)		21°C
(70°F)		21°C
(70°F)		21°C
(71°F)		21°C
(70°F)		22°C
(72°F)		22°C
(73°F)		23°C
(73°F)
Average high19°C
(67°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		19°C
(66°F)		18°C
(65°F)		19°C
(66°F)		19°C
(66°F)		20°C
(67°F)		20°C
(68°F)		20°C
(68°F)
Daily mean15°C
(59°F)		15°C
(60°F)		15°C
(59°F)		15°C
(59°F)		15°C
(59°F)		14°C
(58°F)		14°C
(57°F)		14°C
(57°F)		14°C
(57°F)		15°C
(59°F)		15°C
(60°F)		15°C
(60°F)
Average low11°C
(53°F)		12°C
(53°F)		11°C
(53°F)		11°C
(52°F)		11°C
(52°F)		10°C
(51°F)		10°C
(50°F)		9°C
(49°F)		9°C
(49°F)		10°C
(51°F)		11°C
(53°F)		11°C
(53°F)
Mean minimum10°C
(50°F)		10°C
(50°F)		9°C
(49°F)		9°C
(49°F)		9°C
(48°F)		9°C
(48°F)		8°C
(47°F)		7°C
(45°F)		8°C
(46°F)		8°C
(47°F)		9°C
(49°F)		10°C
(50°F)
Minimum9°C
(48°F)		9°C
(48°F)		8°C
(47°F)		9°C
(48°F)		8°C
(47°F)		8°C
(46°F)		8°C
(46°F)		7°C
(44°F)		7°C
(45°F)		7°C
(46°F)		9°C
(48°F)		9°C
(48°F)

Compare climate in Olto with other places

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

Monthly average precipitation in Olto, Peru

Olto usually has the most precipitation in March, April and October, with an average of 29 rainy days and 341 mm (13.4 inches) of precipitation per month. The driest months in Olto are June, July and August. On average, 146 mm (5.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Olto. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)250 (9.9)246 (9.7)371 (14.6)329 (12.9)287 (11.3)161 (6.4)143 (5.6)133 (5.2)255 (10.0)324 (12.8)308 (12.1)283 (11.2)
Average precipitation days (≥ 1 mm)252630292925262428302728

Monthly sunshine hours in Olto, Peru

The sunniest months in Olto are July, August and September, when the sun shines an average of 10 hours 26 minutes a day. Least sunny months in Olto: January, February and March receive an average of 7 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Olto. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours213257256276307301318326315298274298
Mean daily daylight hours12h 24m12h 16m12h 7m11h 57m11h 49m11h 45m11h 47m11h 54m12h 3m12h 13m12h 22m12h 27m

Solar UV radiation in Olto, Peru

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

Average daily maximum UV levels by month for Olto. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)171719181513131416171616