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May Weather in La Union, Colombia

Last updated: August 23, 2025

In La Union, Colombia, the average temperature in May hovers around 19°C (66°F). Expect a minimum of 13°C (55°F) and a maximum of 28°C (83°F). The region experiences significant rainfall, with 333 mm (13.1 in) over 22 days, leading to an average humidity of 87%. Prepare for a mix of warm days and damp weather!

May Temperature in La Union

In May in La Union, the average temperature is 19°C (66°F), with maximums reaching up to 28°C (83°F) and minimums dipping as low as 13°C (55°F). This pleasant climate makes La Union an ideal destination for travelers seeking comfortable weather for outdoor activities.

May Weather in La Union: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in La Union, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Union, May typically has an average temperature of 19°C (66°F), with highs reaching up to 28°C (83°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec656565666666676766656565
Data source: Temperature data for La Union 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 La Union

In La Union in May, the precipitation amount is 333 mm (13.1 in) over the course of 22 days.

May Precipitation Trends in La Union

The chart displays monthly precipitation patterns in La Union, 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 La Union, May typically receives around 333 mm (13.1 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec11918832330433314169124184317388163
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in La Union

In La Union in May humidity is 87%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket wrapping around you, making travel feel a bit sticky and slowing down your movements as you navigate through the area's vibrant streets.

May Average Humidity in La Union

This chart illustrates the average monthly humidity levels in La Union, 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 La Union is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%77%80%83%88%87%85%80%80%85%87%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in La Union

In La Union in May, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in La Union.

Maximum UV Index Levels in La Union for May

The chart shows the monthly maximum UV Index (UVI) for La Union 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 La Union typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516171514141514141312
Data source: La Union 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 La Union Compares to Other Months

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

This table compares monthly weather conditions in La Union, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)119 mm (4.7 inches)78%extreme
February Weather18°C (66°F)188 mm (7.4 inches)77%extreme
March Weather18°C (65°F)323 mm (12.7 inches)80%extreme
April Weather19°C (66°F)304 mm (12.0 inches)83%extreme
May Weather19°C (66°F)333 mm (13.1 inches)87%extreme
June Weather19°C (66°F)141 mm (5.6 inches)87%extreme
July Weather19°C (67°F)69 mm (2.7 inches)85%extreme
August Weather20°C (67°F)124 mm (4.9 inches)80%extreme
September Weather19°C (67°F)184 mm (7.2 inches)80%extreme
October Weather18°C (65°F)317 mm (12.5 inches)85%extreme
November Weather18°C (65°F)388 mm (15.3 inches)87%extreme
December Weather18°C (65°F)163 mm (6.4 inches)83%extreme

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