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Monthly climate in San Sebastian, Colombia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification San Sebastian features a oceanic climate (Cfb). Temperatures typically range between 13 °C (56 °F) and 14 °C (58 °F) through the year, but rarely can drop to 4 °C (39 °F) or can rise to as high as 23 °C (74 °F). The average annual precipitation amounts to about 1725 mm (67.9 inches) and receives 274 rainy days on the 1 mm (0.04 inches) threshold annually. San Sebastian enjoys an average of 3242 hours of sunshine throughout the year, and daylight varies from 12 hours 0 minutes to 12 hours 12 minutes per day.

Monthly average temperatures in San Sebastian, Colombia

The warmest months in San Sebastian are February, March and November, with daily mean temperatures ranging from 14 to 14 °C (58 - 58 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 13 to 14 °C (56 - 57 °F) throughout the day. On average each year, San Sebastian 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 Sebastian. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum23°C
(73°F)		23°C
(73°F)		22°C
(73°F)		22°C
(72°F)		21°C
(71°F)		21°C
(71°F)		21°C
(70°F)		21°C
(71°F)		23°C
(73°F)		23°C
(73°F)		23°C
(74°F)		22°C
(72°F)
Mean maximum22°C
(72°F)		21°C
(71°F)		21°C
(70°F)		21°C
(70°F)		21°C
(70°F)		20°C
(68°F)		20°C
(69°F)		21°C
(70°F)		22°C
(71°F)		22°C
(71°F)		22°C
(71°F)		21°C
(70°F)
Average high19°C
(66°F)		19°C
(67°F)		19°C
(66°F)		19°C
(66°F)		19°C
(66°F)		18°C
(65°F)		17°C
(64°F)		18°C
(65°F)		19°C
(67°F)		19°C
(67°F)		19°C
(67°F)		19°C
(66°F)
Daily mean14°C
(57°F)		14°C
(58°F)		14°C
(58°F)		14°C
(58°F)		14°C
(58°F)		14°C
(57°F)		13°C
(56°F)		13°C
(56°F)		14°C
(57°F)		14°C
(58°F)		14°C
(58°F)		14°C
(58°F)
Average low10°C
(50°F)		10°C
(51°F)		10°C
(51°F)		11°C
(51°F)		11°C
(52°F)		10°C
(51°F)		10°C
(49°F)		9°C
(49°F)		9°C
(49°F)		10°C
(50°F)		11°C
(51°F)		10°C
(51°F)
Mean minimum7°C
(45°F)		8°C
(47°F)		8°C
(46°F)		9°C
(48°F)		9°C
(48°F)		8°C
(47°F)		7°C
(45°F)		7°C
(44°F)		7°C
(45°F)		8°C
(46°F)		9°C
(48°F)		8°C
(47°F)
Minimum4°C
(39°F)		7°C
(45°F)		6°C
(43°F)		8°C
(47°F)		8°C
(47°F)		8°C
(47°F)		7°C
(44°F)		6°C
(43°F)		7°C
(45°F)		7°C
(45°F)		8°C
(47°F)		7°C
(45°F)

Compare climate in San Sebastian with other places

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

Monthly average precipitation in San Sebastian, Colombia

San Sebastian usually has the most precipitation in February, March and November, with an average of 25 rainy days and 199 mm (7.9 inches) of precipitation per month. The driest months in San Sebastian are July, August and September. On average, 73 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in San Sebastian. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)150 (5.9)176 (6.9)211 (8.3)174 (6.9)174 (6.9)126 (4.9)89 (3.5)68 (2.7)62 (2.5)126 (5.0)211 (8.3)156 (6.2)
Average precipitation days (≥ 1 mm)202227252726231714242623

Monthly sunshine hours in San Sebastian, Colombia

The sunniest months in San Sebastian are August, September and December, when the sun shines an average of 9 hours 55 minutes a day. Least sunny months in San Sebastian: January, April and November receive an average of 8 hours 0 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in San Sebastian. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours235258263250256263276312309281243291
Mean daily daylight hours12h 0m12h 2m12h 5m12h 8m12h 11m12h 12m12h 11m12h 9m12h 6m12h 3m12h 1m12h 0m

Solar UV radiation in San Sebastian, Colombia

San Sebastian experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 17 - 18, which corresponds to the Extreme category of sun exposure. June, July and December are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 15. For more detailed information, check out our hourly San Sebastian UV Index data.

Average daily maximum UV levels by month for San Sebastian. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161718181614151515161513