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May Weather in Tumaco, Colombia

Last updated: August 23, 2025

In May, the average temperature in Tumaco, Colombia hovers around 26°C (80°F), with a comfortable minimum of 24°C (76°F) and a pleasant maximum of 29°C (85°F). However, be prepared for wet weather, as the area sees a significant precipitation amount of 347 mm (13.7 in) over the course of 30 days. Additionally, the high average humidity of 87% adds to the tropical feel of this vibrant destination.

May Temperature in Tumaco

In May in Tumaco, the average temperature is 26°C (80°F). Maximums can reach 29°C (85°F), and minimums can be as low as 24°C (76°F). This weather makes it an ideal time for travelers to enjoy outdoor activities and explore the local attractions comfortably.

May Weather in Tumaco: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Tumaco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tumaco, May typically has an average temperature of 26°C (80°F), with highs reaching up to 29°C (85°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec787979798079797878787878
Data source: Temperature data for Tumaco generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Tumaco

In Tumaco in May, the precipitation amount is 347 mm (13.7 in) over a period of 30 days.

May Precipitation Trends in Tumaco

The chart displays monthly precipitation patterns in Tumaco, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Tumaco, May typically receives around 347 mm (13.7 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec446339266300347283205185217180191339
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Tumaco

In Tumaco in May, humidity is 87%. With an average temperature of 26°C (80°F), this humidity feels like a heavy blanket wrapping around you, making travel feel sticky and exhausting as each step demands extra effort amidst the thick, muggy air.

May Average Humidity in Tumaco

This chart illustrates the average monthly humidity levels in Tumaco, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Tumaco is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%91%88%87%84%78%80%88%90%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Tumaco

In Tumaco in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Tumaco, you can check here.

Maximum UV Index Levels in Tumaco for May

The chart shows the monthly maximum UV Index (UVI) for Tumaco in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Tumaco typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415151412131313131211
Data source: Tumaco May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Tumaco Compares to Other Months

Weather in Tumaco varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Tumaco, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Tumaco, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)446 mm (17.6 inches)89%extreme
February Weather26°C (79°F)339 mm (13.4 inches)90%extreme
March Weather26°C (80°F)266 mm (10.5 inches)91%extreme
April Weather26°C (80°F)300 mm (11.8 inches)88%extreme
May Weather26°C (80°F)347 mm (13.7 inches)87%extreme
June Weather26°C (79°F)283 mm (11.2 inches)84%extreme
July Weather26°C (79°F)205 mm (8.1 inches)78%extreme
August Weather26°C (78°F)185 mm (7.3 inches)80%extreme
September Weather26°C (78°F)217 mm (8.5 inches)88%extreme
October Weather26°C (78°F)180 mm (7.1 inches)90%extreme
November Weather26°C (78°F)191 mm (7.5 inches)89%extreme
December Weather26°C (78°F)339 mm (13.3 inches)86%extreme

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