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Monthly climate in Olmos, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Olmos features a hot semi-arid climate (BSh). Temperatures typically range between 19 °C (66 °F) and 24 °C (75 °F) through the year, but rarely can drop to 11 °C (52 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 919 mm (36.2 inches) and receives 119 rainy days on the 1 mm (0.04 inches) threshold annually. Olmos enjoys an average of 3653 hours of sunshine throughout the year, and daylight varies from 11 hours 46 minutes to 12 hours 27 minutes per day.

Monthly average temperatures in Olmos, Peru

The warmest months in Olmos are January, February and March, with daily mean temperatures ranging from 23 to 24 °C (74 - 75 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 19 to 19 °C (66 - 67 °F) throughout the day. On average each year, Olmos experiences 289 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 Olmos. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum33°C
(91°F)		32°C
(91°F)		32°C
(91°F)		31°C
(88°F)		31°C
(88°F)		29°C
(85°F)		28°C
(82°F)		28°C
(82°F)		28°C
(83°F)		29°C
(85°F)		30°C
(86°F)		30°C
(87°F)
Mean maximum31°C
(88°F)		31°C
(89°F)		31°C
(87°F)		30°C
(86°F)		29°C
(85°F)		28°C
(82°F)		27°C
(81°F)		27°C
(81°F)		27°C
(82°F)		28°C
(83°F)		29°C
(84°F)		30°C
(86°F)
Average high29°C
(84°F)		29°C
(85°F)		29°C
(84°F)		28°C
(83°F)		27°C
(82°F)		26°C
(79°F)		25°C
(78°F)		25°C
(78°F)		26°C
(79°F)		26°C
(80°F)		26°C
(80°F)		28°C
(82°F)
Daily mean23°C
(74°F)		24°C
(75°F)		24°C
(75°F)		23°C
(73°F)		21°C
(71°F)		20°C
(69°F)		19°C
(67°F)		19°C
(66°F)		19°C
(67°F)		20°C
(68°F)		20°C
(69°F)		22°C
(71°F)
Average low19°C
(66°F)		20°C
(68°F)		20°C
(68°F)		18°C
(65°F)		17°C
(63°F)		15°C
(60°F)		14°C
(58°F)		14°C
(57°F)		14°C
(58°F)		15°C
(60°F)		16°C
(61°F)		17°C
(63°F)
Mean minimum16°C
(62°F)		17°C
(63°F)		17°C
(64°F)		16°C
(62°F)		15°C
(59°F)		13°C
(57°F)		12°C
(55°F)		12°C
(54°F)		13°C
(55°F)		13°C
(56°F)		13°C
(56°F)		15°C
(59°F)
Minimum15°C
(58°F)		15°C
(59°F)		16°C
(60°F)		15°C
(59°F)		13°C
(56°F)		12°C
(55°F)		12°C
(54°F)		11°C
(52°F)		12°C
(54°F)		13°C
(56°F)		11°C
(52°F)		13°C
(56°F)

Compare climate in Olmos with other places

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

Monthly average precipitation in Olmos, Peru

Olmos usually has the most precipitation in February, March and April, with an average of 20 rainy days and 206 mm (8.1 inches) of precipitation per month. The driest months in Olmos are July, August and September. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Olmos. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)78 (3.1)150 (5.9)345 (13.6)123 (4.8)46 (1.8)13 (0.5)7 (0.3)6 (0.3)7 (0.3)39 (1.6)49 (1.9)55 (2.2)
Average precipitation days (≥ 1 mm)141725191020118913

Monthly sunshine hours in Olmos, Peru

The sunniest months in Olmos are May, July and August, when the sun shines an average of 10 hours 40 minutes a day. Least sunny months in Olmos: January, February and March receive an average of 8 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Olmos. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours245272269292326318332333322319306315
Mean daily daylight hours12h 24m12h 16m12h 7m11h 57m11h 49m11h 46m11h 47m11h 54m12h 3m12h 13m12h 22m12h 27m

Solar UV radiation in Olmos, Peru

Olmos experiences the highest level of ultraviolet (UV) radiation in February, March and April, 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 Olmos UV Index data.

Average daily maximum UV levels by month for Olmos. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151617161412121315151514