Tumaco Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Tumaco.

Climate overview of Tumaco

The climate in Tumaco, Nariño, Colombia, is remarkably consistent, with temperatures year-round averaging 30°C (86°F). The warmest month is March at 30°C (86°F), and the coolest is August at 29°C (84°F).

The city has a wet climate, receiving around 4338 mm (171 in) of rainfall per year. May is the wettest month. Sunshine peaks in March, when the city sees around 5.4 hours of sunshine per day.

Tumaco Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Tumaco — and find the best time to visit.

Monthly Temperature in Tumaco

In Tumaco temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very warm 30°C (86°F) in March to a comfortable 29°C (84°F) in August.

Nighttime temperatures range from 24°C (75°F) in March to 23°C (73°F) in August.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Tumaco

Tumaco experiences significant rainfall throughout the year, averaging 4338 mm (171 in) of precipitation annually. The seasons in Tumaco bring significant changes in precipitation. The wettest month, May, receives heavy rainfall, with an average of 491 mm (19 in) of precipitation. This rainfall is distributed across 25 rainy days.

In contrast, the driest month, November, experiences much less rainfall, totaling 223 mm (8.8 in) over 16 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Tumaco Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Tumaco

In Tumaco, summer days are longer and more sunny, with daily sunshine hours peaking at 5.4 hours in March. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 3.2 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Water Temperature in Tumaco

The mean water temperature over the year ranges from 24°C (75°F) in June to 26°C (79°F) in January.

Water temperature over the year

Humidity in Tumaco by Month

Best Time to Visit Tumaco

Throughout the year, Tumaco receives heavy precipitation with no month falling below 160 mm (6.3 in) of rainfall. This creates a perpetually wet climate with consistent rain patterns. The relatively driest month is November with 223 mm (8.8 in), though this still represents significant rainfall.

Visitors should come prepared for wet weather regardless of when they visit, bring a poncho or umbrella.

Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.

Frequently asked questions about the climate in Tumaco

What is the best time to visit Tumaco?

November typically offers the most optimal weather in Tumaco. In contrast, January, February, March, April, May, June, July, August, September, October and December tend to have less optimal conditions.

What temperatures can I expect in Tumaco?

Daytime highs range from 29°C (84°F) in August to 30°C (86°F) in March. Nighttime lows range from 23°C (73°F) to 24°C (75°F). Temperatures stay relatively stable year-round.

How much rain does Tumaco get?

Annual rainfall is around 4338 mm (171 in). May is the wettest month with 491 mm (19 in), while November is the driest with 223 mm (8.8 in).

How sunny is Tumaco?

Tumaco receives around 1,520 hours of sunshine per year. March is the sunniest month with 161 hours, while November is the cloudiest with just 97 hours.

Tumaco 3-Day Forecast

Tumaco 3-Day Forecast

Tumaco on the map

Tumaco is highlighted — select any city to see its climate.

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