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Monthly climate in San Gregorio, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Gregorio features a hot desert climate (BWh). Temperatures typically range between 15 °C (60 °F) and 16 °C (61 °F) through the year, but rarely can drop to 6 °C (43 °F) or can rise to as high as 24 °C (76 °F). The average annual precipitation amounts to about 2642 mm (104.0 inches) and receives 263 rainy days on the 1 mm (0.04 inches) threshold annually. San Gregorio enjoys an average of 3785 hours of sunshine throughout the year, and daylight varies from 11 hours 42 minutes to 12 hours 30 minutes per day.

Monthly average temperatures in San Gregorio, Peru

The warmest months in San Gregorio are June, August and September, with daily mean temperatures ranging from 16 to 16 °C (61 - 61 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 15 to 15 °C (60 - 60 °F) throughout the day. On average each year, San Gregorio 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 San Gregorio. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum23°C
(73°F)		22°C
(73°F)		22°C
(72°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		24°C
(76°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)
Mean maximum22°C
(72°F)		22°C
(71°F)		21°C
(71°F)		21°C
(71°F)		21°C
(70°F)		21°C
(70°F)		22°C
(72°F)		23°C
(73°F)		22°C
(72°F)		22°C
(72°F)		22°C
(72°F)		22°C
(71°F)
Average high20°C
(67°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		20°C
(69°F)		20°C
(69°F)		21°C
(70°F)		20°C
(69°F)		20°C
(68°F)		20°C
(69°F)		20°C
(68°F)
Daily mean15°C
(60°F)		15°C
(60°F)		15°C
(60°F)		15°C
(60°F)		16°C
(61°F)		16°C
(61°F)		16°C
(61°F)		16°C
(61°F)		16°C
(61°F)		16°C
(60°F)		16°C
(60°F)		15°C
(60°F)
Average low12°C
(54°F)		12°C
(54°F)		12°C
(54°F)		12°C
(55°F)		13°C
(55°F)		12°C
(54°F)		12°C
(54°F)		12°C
(54°F)		12°C
(55°F)		12°C
(55°F)		12°C
(54°F)		12°C
(54°F)
Mean minimum10°C
(49°F)		9°C
(49°F)		10°C
(50°F)		11°C
(51°F)		10°C
(51°F)		10°C
(51°F)		10°C
(50°F)		10°C
(50°F)		10°C
(50°F)		10°C
(50°F)		9°C
(48°F)		9°C
(49°F)
Minimum8°C
(47°F)		7°C
(44°F)		8°C
(47°F)		10°C
(50°F)		10°C
(50°F)		9°C
(48°F)		9°C
(48°F)		9°C
(48°F)		9°C
(48°F)		9°C
(49°F)		6°C
(43°F)		8°C
(46°F)

Compare climate in San Gregorio with other places

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

Monthly average precipitation in San Gregorio, Peru

San Gregorio usually has the most precipitation in February, March and April, with an average of 28 rainy days and 415 mm (16.4 inches) of precipitation per month. The driest months in San Gregorio are June, July and August. On average, 73 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Gregorio. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)276 (10.9)368 (14.5)511 (20.1)367 (14.5)222 (8.7)82 (3.2)74 (2.9)63 (2.5)125 (4.9)182 (7.2)105 (4.1)267 (10.5)
Average precipitation days (≥ 1 mm)252730292915141219241425

Monthly sunshine hours in San Gregorio, Peru

The sunniest months in San Gregorio are May, July and August, when the sun shines an average of 10 hours 52 minutes a day. Least sunny months in San Gregorio: January, February and March receive an average of 9 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Gregorio. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours260292291307333323338338324329315329
Mean daily daylight hours12h 27m12h 18m12h 7m11h 55m11h 46m11h 42m11h 44m11h 52m12h 3m12h 15m12h 25m12h 30m

Solar UV radiation in San Gregorio, Peru

San Gregorio experiences the highest level of ultraviolet (UV) radiation in March, April and September, 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 San Gregorio UV Index data.

Average daily maximum UV levels by month for San Gregorio. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161617161412121316161515