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Monthly climate in Omacha, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Omacha features a oceanic climate (Cfb). Temperatures typically range between 8 °C (46 °F) and 10 °C (51 °F) through the year, but rarely can drop to -5 °C (24 °F) or can rise to as high as 22 °C (71 °F). The average annual precipitation amounts to about 1206 mm (47.5 inches) and receives 211 rainy days on the 1 mm (0.04 inches) threshold annually. Omacha enjoys an average of 3630 hours of sunshine throughout the year, and daylight varies from 11 hours 17 minutes to 12 hours 55 minutes per day.

Monthly average temperatures in Omacha, Peru

The warmest months in Omacha are October, November and December, with daily mean temperatures ranging from 10 to 10 °C (50 - 51 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 8 to 8 °C (46 - 47 °F) throughout the day. On average each year, Omacha experiences 0 days above 25 °C (77.0 °F) and 23 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Omacha. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(66°F)		18°C
(64°F)		18°C
(64°F)		18°C
(64°F)		18°C
(64°F)		18°C
(65°F)		19°C
(66°F)		20°C
(69°F)		21°C
(71°F)		22°C
(71°F)		21°C
(71°F)		20°C
(68°F)
Mean maximum18°C
(64°F)		17°C
(63°F)		17°C
(62°F)		17°C
(63°F)		17°C
(62°F)		16°C
(61°F)		18°C
(64°F)		19°C
(66°F)		20°C
(69°F)		21°C
(70°F)		20°C
(68°F)		19°C
(67°F)
Average high15°C
(59°F)		14°C
(58°F)		15°C
(58°F)		15°C
(59°F)		15°C
(59°F)		14°C
(58°F)		15°C
(59°F)		16°C
(61°F)		17°C
(62°F)		17°C
(63°F)		17°C
(62°F)		15°C
(60°F)
Daily mean9°C
(49°F)		9°C
(49°F)		9°C
(49°F)		9°C
(48°F)		8°C
(47°F)		8°C
(46°F)		8°C
(46°F)		8°C
(47°F)		9°C
(49°F)		10°C
(50°F)		10°C
(51°F)		10°C
(50°F)
Average low5°C
(41°F)		5°C
(42°F)		5°C
(42°F)		4°C
(39°F)		2°C
(36°F)		2°C
(35°F)		1°C
(33°F)		2°C
(36°F)		3°C
(38°F)		4°C
(40°F)		5°C
(42°F)		5°C
(42°F)
Mean minimum2°C
(36°F)		3°C
(38°F)		3°C
(37°F)		1°C
(33°F)		-2°C
(29°F)		-1°C
(31°F)		-4°C
(26°F)		-2°C
(28°F)		0°C
(33°F)		2°C
(35°F)		3°C
(38°F)		3°C
(37°F)
Minimum0°C
(33°F)		2°C
(36°F)		2°C
(36°F)		-0°C
(32°F)		-3°C
(26°F)		-3°C
(26°F)		-5°C
(24°F)		-4°C
(25°F)		-3°C
(27°F)		0°C
(33°F)		3°C
(37°F)		2°C
(36°F)

Compare climate in Omacha with other places

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

Monthly average precipitation in Omacha, Peru

Omacha usually has the most precipitation in February, March and December, with an average of 28 rainy days and 203 mm (8.0 inches) of precipitation per month. The driest months in Omacha are June, July and August. On average, 17 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Omacha. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)171 (6.7)224 (8.8)188 (7.4)78 (3.1)31 (1.2)14 (0.6)19 (0.7)17 (0.7)38 (1.5)90 (3.5)138 (5.4)198 (7.8)
Average precipitation days (≥ 1 mm)242730211034613202528

Monthly sunshine hours in Omacha, Peru

The sunniest months in Omacha are July, August and September, when the sun shines an average of 10 hours 58 minutes a day. Least sunny months in Omacha: January, February and December receive an average of 8 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Omacha. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours235249294301329317337342329323286283
Mean daily daylight hours12h 49m12h 31m12h 8m11h 45m11h 26m11h 17m11h 22m11h 39m12h 0m12h 24m12h 45m12h 55m

Solar UV radiation in Omacha, Peru

Omacha experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 19 - 20, 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 14. For more detailed information, check out our hourly Omacha UV Index data.

Average daily maximum UV levels by month for Omacha. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)202018171411131416181919