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Monthly climate in Pacasmayo, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Pacasmayo features a hot desert climate (BWh). Temperatures typically range between 16 °C (62 °F) and 23 °C (73 °F) through the year, but rarely can drop to 13 °C (56 °F) or can rise to as high as 28 °C (83 °F). The average annual precipitation amounts to about 113 mm (4.4 inches) and receives 23 rainy days on the 1 mm (0.04 inches) threshold annually. Pacasmayo enjoys an average of 3835 hours of sunshine throughout the year, and daylight varies from 11 hours 41 minutes to 12 hours 32 minutes per day.

Monthly average temperatures in Pacasmayo, Peru

The warmest months in Pacasmayo are January, February and March, with daily mean temperatures ranging from 21 to 23 °C (70 - 73 °F) throughout the day. The coldest temperatures usually occur in August, September and October, when daily mean temperatures range from 16 to 17 °C (62 - 62 °F) throughout the day. On average each year, Pacasmayo experiences 18 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 Pacasmayo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum27°C
(81°F)		28°C
(82°F)		28°C
(83°F)		25°C
(78°F)		24°C
(75°F)		21°C
(70°F)		20°C
(69°F)		20°C
(67°F)		19°C
(67°F)		20°C
(68°F)		22°C
(72°F)		24°C
(75°F)
Mean maximum24°C
(76°F)		25°C
(78°F)		25°C
(78°F)		24°C
(75°F)		22°C
(72°F)		20°C
(69°F)		20°C
(68°F)		19°C
(67°F)		19°C
(67°F)		19°C
(67°F)		21°C
(70°F)		22°C
(72°F)
Average high23°C
(73°F)		24°C
(76°F)		24°C
(76°F)		22°C
(72°F)		21°C
(70°F)		20°C
(68°F)		19°C
(66°F)		18°C
(65°F)		18°C
(65°F)		19°C
(66°F)		19°C
(67°F)		21°C
(70°F)
Daily mean21°C
(70°F)		23°C
(73°F)		23°C
(73°F)		21°C
(69°F)		19°C
(66°F)		18°C
(64°F)		17°C
(63°F)		16°C
(62°F)		16°C
(62°F)		17°C
(62°F)		17°C
(64°F)		19°C
(67°F)
Average low20°C
(68°F)		21°C
(70°F)		21°C
(70°F)		19°C
(67°F)		18°C
(64°F)		16°C
(62°F)		16°C
(60°F)		15°C
(59°F)		15°C
(59°F)		15°C
(60°F)		16°C
(61°F)		18°C
(64°F)
Mean minimum18°C
(65°F)		20°C
(69°F)		20°C
(68°F)		18°C
(64°F)		16°C
(62°F)		15°C
(60°F)		15°C
(59°F)		14°C
(58°F)		14°C
(58°F)		14°C
(58°F)		15°C
(59°F)		17°C
(62°F)
Minimum17°C
(62°F)		19°C
(66°F)		19°C
(66°F)		16°C
(62°F)		15°C
(59°F)		15°C
(59°F)		14°C
(57°F)		13°C
(56°F)		14°C
(57°F)		14°C
(58°F)		13°C
(56°F)		16°C
(60°F)

Compare climate in Pacasmayo with other places

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

Monthly average precipitation in Pacasmayo, Peru

Pacasmayo usually has the most precipitation in February, March and December, with an average of 5 rainy days and 19 mm (0.8 inches) of precipitation per month. The driest months in Pacasmayo are June, July and August. On average, 4 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Pacasmayo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)12 (0.5)13 (0.5)27 (1.1)12 (0.5)4 (0.2)3 (0.1)4 (0.1)4 (0.2)5 (0.2)6 (0.2)5 (0.2)17 (0.7)
Average precipitation days (≥ 1 mm)336310000106

Monthly sunshine hours in Pacasmayo, Peru

The sunniest months in Pacasmayo are May, August and October, when the sun shines an average of 10 hours 49 minutes a day. Least sunny months in Pacasmayo: January, February and March receive an average of 9 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Pacasmayo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours270306310317333319330333318338323333
Mean daily daylight hours12h 29m12h 19m12h 7m11h 55m11h 45m11h 41m11h 43m11h 51m12h 3m12h 15m12h 26m12h 32m

Solar UV radiation in Pacasmayo, Peru

Pacasmayo experiences the highest level of ultraviolet (UV) radiation in March, April and September, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. June, July and August are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Pacasmayo UV Index data.

Average daily maximum UV levels by month for Pacasmayo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141415141210111114141313