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Monthly climate in San Lorenzo, Peru

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Lorenzo features a tropical monsoon climate (Am). Temperatures typically range between 24 °C (75 °F) and 27 °C (81 °F) through the year, but rarely can drop to 9 °C (49 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1906 mm (75.1 inches) and receives 192 rainy days on the 1 mm (0.04 inches) threshold annually. San Lorenzo enjoys an average of 3215 hours of sunshine throughout the year, and daylight varies from 11 hours 26 minutes to 12 hours 46 minutes per day.

Monthly average temperatures in San Lorenzo, Peru

The warmest months in San Lorenzo are September, October and November, with daily mean temperatures ranging from 26 to 27 °C (79 - 81 °F) throughout the day. The coldest temperatures usually occur in May, June and July, when daily mean temperatures range from 24 to 24 °C (75 - 76 °F) throughout the day. On average each year, San Lorenzo experiences 313 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 Lorenzo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum35°C
(95°F)		34°C
(94°F)		34°C
(94°F)		34°C
(94°F)		33°C
(93°F)		33°C
(91°F)		35°C
(96°F)		38°C
(101°F)		38°C
(100°F)		39°C
(102°F)		38°C
(101°F)		35°C
(95°F)
Mean maximum34°C
(93°F)		34°C
(93°F)		33°C
(92°F)		34°C
(93°F)		33°C
(92°F)		32°C
(90°F)		34°C
(94°F)		37°C
(99°F)		37°C
(99°F)		37°C
(99°F)		36°C
(97°F)		34°C
(94°F)
Average high30°C
(86°F)		30°C
(85°F)		30°C
(86°F)		30°C
(86°F)		29°C
(85°F)		29°C
(84°F)		30°C
(87°F)		33°C
(91°F)		34°C
(93°F)		32°C
(91°F)		31°C
(88°F)		30°C
(87°F)
Daily mean26°C
(78°F)		25°C
(78°F)		25°C
(78°F)		25°C
(78°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		25°C
(78°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		26°C
(79°F)
Average low23°C
(73°F)		23°C
(73°F)		22°C
(73°F)		22°C
(71°F)		20°C
(69°F)		19°C
(67°F)		18°C
(65°F)		19°C
(67°F)		22°C
(72°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)
Mean minimum21°C
(70°F)		21°C
(70°F)		20°C
(69°F)		17°C
(63°F)		15°C
(60°F)		16°C
(61°F)		12°C
(54°F)		13°C
(55°F)		18°C
(64°F)		19°C
(66°F)		20°C
(69°F)		21°C
(70°F)
Minimum19°C
(67°F)		20°C
(68°F)		18°C
(65°F)		15°C
(59°F)		14°C
(57°F)		12°C
(54°F)		9°C
(49°F)		9°C
(49°F)		15°C
(59°F)		16°C
(62°F)		19°C
(67°F)		20°C
(68°F)

Compare climate in San Lorenzo with other places

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

Monthly average precipitation in San Lorenzo, Peru

San Lorenzo usually has the most precipitation in February, March and December, with an average of 24 rainy days and 270 mm (10.6 inches) of precipitation per month. The driest months in San Lorenzo are June, July and August. On average, 30 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Lorenzo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)245 (9.6)271 (10.7)249 (9.8)183 (7.2)98 (3.9)38 (1.5)25 (1.0)26 (1.0)82 (3.2)170 (6.7)229 (9.0)290 (11.4)
Average precipitation days (≥ 1 mm)222525201254411182224

Monthly sunshine hours in San Lorenzo, Peru

The sunniest months in San Lorenzo are July, August and October, when the sun shines an average of 9 hours 53 minutes a day. Least sunny months in San Lorenzo: January, February and March receive an average of 7 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Lorenzo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours205209247254286276317308290294251274
Mean daily daylight hours12h 41m12h 26m12h 8m11h 49m11h 34m11h 26m11h 30m11h 44m12h 1m12h 20m12h 37m12h 46m

Solar UV radiation in San Lorenzo, Peru

San Lorenzo experiences the highest level of ultraviolet (UV) radiation in February, November and December, when the maximum UV index can reach values of 15 - 16, 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 San Lorenzo UV Index data.

Average daily maximum UV levels by month for San Lorenzo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)151615141210101113151615