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Monthly climate in Tumaco, Colombia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tumaco features a tropical rainforest climate (Af). Temperatures typically range between 26 °C (78 °F) and 26 °C (80 °F) through the year, but rarely can drop to 23 °C (74 °F) or can rise to as high as 29 °C (85 °F). The average annual precipitation amounts to about 3299 mm (129.9 inches) and receives 313 rainy days on the 1 mm (0.04 inches) threshold annually. Tumaco enjoys an average of 2765 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 Tumaco, Colombia

The warmest months in Tumaco are March, April and May, with daily mean temperatures ranging from 26 to 26 °C (80 - 80 °F) throughout the day. The coldest temperatures usually occur in September, November and December, when daily mean temperatures range from 26 to 26 °C (78 - 78 °F) throughout the day. On average each year, Tumaco experiences 329 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 Tumaco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum28°C
(84°F)		29°C
(84°F)		29°C
(85°F)		29°C
(85°F)		29°C
(85°F)		29°C
(84°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)
Mean maximum28°C
(83°F)		28°C
(83°F)		29°C
(84°F)		29°C
(84°F)		29°C
(84°F)		28°C
(83°F)		28°C
(83°F)		28°C
(82°F)		28°C
(82°F)		28°C
(82°F)		28°C
(82°F)		28°C
(82°F)
Average high27°C
(81°F)		27°C
(81°F)		28°C
(82°F)		28°C
(82°F)		28°C
(82°F)		27°C
(82°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)		27°C
(80°F)		27°C
(80°F)		27°C
(80°F)
Daily mean26°C
(79°F)		26°C
(79°F)		26°C
(80°F)		26°C
(80°F)		26°C
(80°F)		26°C
(79°F)		26°C
(79°F)		26°C
(78°F)		26°C
(78°F)		26°C
(78°F)		26°C
(78°F)		26°C
(78°F)
Average low25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)		25°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(76°F)		24°C
(76°F)		25°C
(77°F)		25°C
(76°F)		25°C
(77°F)
Mean minimum24°C
(75°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		25°C
(77°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		24°C
(75°F)		24°C
(76°F)
Minimum23°C
(74°F)		24°C
(75°F)		23°C
(74°F)		24°C
(76°F)		24°C
(76°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		23°C
(74°F)		24°C
(75°F)

Compare climate in Tumaco with other places

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

Monthly average precipitation in Tumaco, Colombia

Tumaco usually has the most precipitation in January, February and May, with an average of 26 rainy days and 377 mm (14.9 inches) of precipitation per month. The driest months in Tumaco are August, October and November. On average, 186 mm (7.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tumaco. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)446 (17.6)339 (13.4)266 (10.5)300 (11.8)347 (13.7)283 (11.2)205 (8.1)185 (7.3)217 (8.5)180 (7.1)191 (7.5)339 (13.3)
Average precipitation days (≥ 1 mm)252422263028272728262327

Monthly sunshine hours in Tumaco, Colombia

The sunniest months in Tumaco are March, July and August, when the sun shines an average of 8 hours 7 minutes a day. Least sunny months in Tumaco: January, February and October receive an average of 6 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tumaco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours192219250231231226263242227220225234
Mean daily daylight hours12h 1m12h 2m12h 5m12h 8m12h 11m12h 12m12h 11m12h 9m12h 6m12h 3m12h 1m12h 0m

Solar UV radiation in Tumaco, Colombia

Tumaco experiences the highest level of ultraviolet (UV) radiation in March, April and May, when the maximum UV index can reach values of 14 - 15, 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 12. For more detailed information, check out our hourly Tumaco UV Index data.

Average daily maximum UV levels by month for Tumaco. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141415151412131313131211