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Monthly climate in Santa Rosa, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Santa Rosa features a hot desert climate (BWh). Temperatures typically range between 16 °C (62 °F) and 22 °C (73 °F) through the year, but rarely can drop to 15 °C (59 °F) or can rise to as high as 28 °C (82 °F). The average annual precipitation amounts to about 117 mm (4.6 inches) and receives 19 rainy days on the 1 mm (0.04 inches) threshold annually. Santa Rosa enjoys an average of 3778 hours of sunshine throughout the year, and daylight varies from 11 hours 43 minutes to 12 hours 30 minutes per day.

Monthly average temperatures in Santa Rosa, Peru

The warmest months in Santa Rosa are January, February and March, with daily mean temperatures ranging from 21 to 22 °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, Santa Rosa experiences 10 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 Santa Rosa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum26°C
(79°F)		27°C
(81°F)		28°C
(82°F)		25°C
(78°F)		22°C
(72°F)		20°C
(68°F)		19°C
(67°F)		18°C
(65°F)		18°C
(64°F)		18°C
(65°F)		21°C
(70°F)		22°C
(72°F)
Mean maximum23°C
(73°F)		24°C
(75°F)		24°C
(76°F)		22°C
(73°F)		20°C
(69°F)		19°C
(66°F)		18°C
(65°F)		18°C
(64°F)		17°C
(63°F)		18°C
(64°F)		19°C
(67°F)		21°C
(70°F)
Average high21°C
(71°F)		23°C
(73°F)		23°C
(74°F)		21°C
(70°F)		19°C
(67°F)		19°C
(66°F)		18°C
(64°F)		17°C
(63°F)		17°C
(62°F)		17°C
(63°F)		18°C
(65°F)		20°C
(68°F)
Daily mean21°C
(70°F)		22°C
(73°F)		22°C
(73°F)		20°C
(69°F)		19°C
(66°F)		18°C
(65°F)		17°C
(64°F)		17°C
(62°F)		16°C
(62°F)		17°C
(62°F)		18°C
(64°F)		19°C
(67°F)
Average low20°C
(69°F)		22°C
(72°F)		22°C
(72°F)		20°C
(68°F)		19°C
(66°F)		18°C
(64°F)		17°C
(63°F)		16°C
(62°F)		16°C
(61°F)		16°C
(61°F)		17°C
(63°F)		19°C
(66°F)
Mean minimum19°C
(66°F)		21°C
(70°F)		21°C
(69°F)		19°C
(66°F)		18°C
(64°F)		17°C
(63°F)		17°C
(62°F)		16°C
(61°F)		15°C
(60°F)		16°C
(60°F)		16°C
(61°F)		18°C
(64°F)
Minimum18°C
(64°F)		19°C
(66°F)		19°C
(67°F)		17°C
(63°F)		16°C
(60°F)		16°C
(61°F)		16°C
(60°F)		15°C
(60°F)		15°C
(59°F)		15°C
(60°F)		15°C
(59°F)		17°C
(63°F)

Compare climate in Santa Rosa with other places

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

Monthly average precipitation in Santa Rosa, Peru

Santa Rosa usually has the most precipitation in February, March and April, with an average of 4 rainy days and 24 mm (0.9 inches) of precipitation per month. The driest months in Santa Rosa are June, July and September. On average, 3 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Santa Rosa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)9 (0.4)24 (1.0)34 (1.4)13 (0.5)5 (0.2)2 (0.1)3 (0.1)3 (0.1)3 (0.1)6 (0.3)5 (0.2)10 (0.4)
Average precipitation days (≥ 1 mm)246210000103

Monthly sunshine hours in Santa Rosa, Peru

The sunniest months in Santa Rosa are May, October and December, when the sun shines an average of 10 hours 42 minutes a day. Least sunny months in Santa Rosa: January, February and March receive an average of 9 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Santa Rosa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours269301307315331312321323315333316332
Mean daily daylight hours12h 27m12h 18m12h 7m11h 55m11h 47m11h 43m11h 45m11h 52m12h 3m12h 14m12h 25m12h 30m

Solar UV radiation in Santa Rosa, Peru

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

Average daily maximum UV levels by month for Santa Rosa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141515141211111114141313