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Monthly climate in San Lorenzo, Paraguay

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Lorenzo features a humid subtropical climate (Cfa). Temperatures typically range between 17 °C (64 °F) and 28 °C (83 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 42 °C (107 °F). The average annual precipitation amounts to about 1302 mm (51.3 inches) and receives 103 rainy days on the 1 mm (0.04 inches) threshold annually. San Lorenzo enjoys an average of 3429 hours of sunshine throughout the year, and daylight varies from 10 hours 34 minutes to 13 hours 40 minutes per day.

Monthly average temperatures in San Lorenzo, Paraguay

The warmest months in San Lorenzo are January, February and December, with daily mean temperatures ranging from 27 to 28 °C (81 - 83 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 17 to 20 °C (64 - 67 °F) throughout the day. On average each year, San Lorenzo experiences 252 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
Maximum41°C
(106°F)		39°C
(103°F)		39°C
(103°F)		36°C
(97°F)		35°C
(95°F)		32°C
(90°F)		33°C
(91°F)		38°C
(101°F)		41°C
(105°F)		42°C
(107°F)		39°C
(103°F)		38°C
(101°F)
Mean maximum37°C
(99°F)		37°C
(99°F)		37°C
(98°F)		34°C
(93°F)		32°C
(89°F)		29°C
(84°F)		32°C
(89°F)		36°C
(98°F)		38°C
(101°F)		38°C
(101°F)		37°C
(99°F)		37°C
(98°F)
Average high33°C
(92°F)		33°C
(91°F)		31°C
(88°F)		29°C
(84°F)		25°C
(77°F)		23°C
(74°F)		23°C
(74°F)		26°C
(79°F)		29°C
(84°F)		30°C
(86°F)		31°C
(88°F)		32°C
(91°F)
Daily mean28°C
(83°F)		27°C
(81°F)		26°C
(79°F)		23°C
(74°F)		20°C
(68°F)		18°C
(65°F)		17°C
(64°F)		20°C
(67°F)		23°C
(73°F)		24°C
(76°F)		26°C
(79°F)		27°C
(81°F)
Average low24°C
(75°F)		22°C
(72°F)		21°C
(71°F)		19°C
(66°F)		16°C
(61°F)		14°C
(58°F)		13°C
(55°F)		14°C
(57°F)		17°C
(64°F)		19°C
(67°F)		21°C
(69°F)		22°C
(72°F)
Mean minimum19°C
(66°F)		17°C
(63°F)		15°C
(60°F)		13°C
(55°F)		8°C
(48°F)		5°C
(41°F)		2°C
(36°F)		5°C
(41°F)		10°C
(50°F)		13°C
(56°F)		16°C
(61°F)		17°C
(62°F)
Minimum16°C
(60°F)		15°C
(59°F)		13°C
(56°F)		10°C
(50°F)		6°C
(43°F)		1°C
(34°F)		0°C
(32°F)		2°C
(36°F)		9°C
(49°F)		10°C
(51°F)		14°C
(57°F)		15°C
(60°F)

Compare climate in San Lorenzo with other places

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

Monthly average precipitation in San Lorenzo, Paraguay

San Lorenzo usually has the most precipitation in May, October and November, with an average of 10 rainy days and 165 mm (6.5 inches) of precipitation per month. The driest months in San Lorenzo are July, August and September. On average, 56 mm (2.2 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)129 (5.1)94 (3.7)105 (4.1)123 (4.8)131 (5.2)76 (3.0)44 (1.7)51 (2.0)74 (2.9)199 (7.8)167 (6.6)111 (4.4)
Average precipitation days (≥ 1 mm)13101071086361299

Monthly sunshine hours in San Lorenzo, Paraguay

The sunniest months in San Lorenzo are March, November and December, when the sun shines an average of 10 hours 42 minutes a day. Least sunny months in San Lorenzo: May, June and July receive an average of 7 hours 59 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 hours273304306280248225260287273288316362
Mean daily daylight hours13h 29m12h 55m12h 11m11h 27m10h 51m10h 34m10h 43m11h 15m11h 57m12h 41m13h 20m13h 40m

Solar UV radiation in San Lorenzo, Paraguay

San Lorenzo experiences the highest level of ultraviolet (UV) radiation in January, November and December, when the maximum UV index can reach values of 14 - 15, which corresponds to the Extreme category of sun exposure. May, June and July are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. 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)15141310756810131415