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Monthly climate in San Luis, Colombia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Luis features a oceanic climate (Cfb). Temperatures typically range between 22 °C (72 °F) and 24 °C (76 °F) through the year, but rarely can drop to 13 °C (56 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 2197 mm (86.5 inches) and receives 220 rainy days on the 1 mm (0.04 inches) threshold annually. San Luis enjoys an average of 3267 hours of sunshine throughout the year, and daylight varies from 11 hours 46 minutes to 12 hours 26 minutes per day.

Monthly average temperatures in San Luis, Colombia

The warmest months in San Luis are July, August and September, with daily mean temperatures ranging from 23 to 24 °C (75 - 76 °F) throughout the day. The coldest temperatures usually occur in January, November and December, when daily mean temperatures range from 22 to 23 °C (72 - 73 °F) throughout the day. On average each year, San Luis experiences 311 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 Luis. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum32°C
(89°F)		33°C
(92°F)		32°C
(91°F)		32°C
(90°F)		33°C
(92°F)		32°C
(90°F)		33°C
(92°F)		34°C
(93°F)		35°C
(95°F)		32°C
(90°F)		30°C
(87°F)		31°C
(88°F)
Mean maximum31°C
(87°F)		31°C
(89°F)		31°C
(88°F)		31°C
(88°F)		31°C
(89°F)		31°C
(88°F)		33°C
(91°F)		34°C
(93°F)		33°C
(91°F)		31°C
(89°F)		29°C
(85°F)		30°C
(86°F)
Average high28°C
(82°F)		29°C
(84°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		29°C
(84°F)		30°C
(87°F)		31°C
(87°F)		29°C
(85°F)		28°C
(82°F)		27°C
(81°F)		28°C
(82°F)
Daily mean22°C
(73°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		23°C
(74°F)		24°C
(76°F)		24°C
(76°F)		23°C
(75°F)		23°C
(73°F)		22°C
(72°F)		23°C
(73°F)
Average low18°C
(65°F)		19°C
(66°F)		19°C
(67°F)		19°C
(67°F)		19°C
(67°F)		19°C
(66°F)		19°C
(66°F)		19°C
(66°F)		19°C
(66°F)		19°C
(66°F)		19°C
(66°F)		19°C
(66°F)
Mean minimum15°C
(60°F)		17°C
(62°F)		17°C
(63°F)		17°C
(63°F)		17°C
(64°F)		17°C
(64°F)		17°C
(63°F)		17°C
(62°F)		17°C
(63°F)		16°C
(62°F)		18°C
(64°F)		17°C
(62°F)
Minimum13°C
(56°F)		16°C
(61°F)		16°C
(62°F)		16°C
(61°F)		16°C
(62°F)		16°C
(60°F)		17°C
(63°F)		15°C
(60°F)		16°C
(62°F)		15°C
(60°F)		17°C
(63°F)		16°C
(61°F)

Compare climate in San Luis with other places

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

Monthly average precipitation in San Luis, Colombia

San Luis usually has the most precipitation in April, October and November, with an average of 25 rainy days and 319 mm (12.6 inches) of precipitation per month. The driest months in San Luis are February, July and August. On average, 83 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Luis. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)105 (4.2)101 (4.0)238 (9.4)252 (9.9)251 (9.9)103 (4.1)55 (2.2)94 (3.7)147 (5.8)279 (11.0)425 (16.7)146 (5.7)
Average precipitation days (≥ 1 mm)14182421191481216252920

Monthly sunshine hours in San Luis, Colombia

The sunniest months in San Luis are July, August and September, when the sun shines an average of 9 hours 50 minutes a day. Least sunny months in San Luis: January, May and November receive an average of 8 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Luis. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours245273270260256274310306287257239283
Mean daily daylight hours11h 48m11h 55m12h 4m12h 14m12h 22m12h 26m12h 24m12h 17m12h 7m11h 58m11h 50m11h 46m

Solar UV radiation in San Luis, Colombia

San Luis experiences the highest level of ultraviolet (UV) radiation in March, April and August, when the maximum UV index can reach values of 15 - 17, which corresponds to the Extreme category of sun exposure. June, November and December are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 14. For more detailed information, check out our hourly San Luis UV Index data.

Average daily maximum UV levels by month for San Luis. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141516171514141514141312