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May Weather in Barillas, Guatemala

Last updated: August 23, 2025

In Barillas, Guatemala, the average temperature in May hovers around 20°C (69°F). Weather can be quite variable, with minimums dipping to 11°C (53°F) and maximums reaching a warm 30°C (86°F). Expect 228 mm (9.0 in) of precipitation over 27 days, contributing to an average humidity of 65%. Embrace the season as you enjoy the delightful contrasts of this lively month!

May Temperature in Barillas

In May in Barillas, the average temperature is 20°C (69°F). Maximums can reach 30°C (86°F), and minimums can drop as low as 11°C (53°F). This mild climate makes it an ideal destination for travelers seeking comfortable weather and outdoor activities.

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

The chart illustrates May temperature patterns in Barillas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barillas, May typically has an average temperature of 20°C (69°F), with highs reaching up to 30°C (86°F) and lows dropping to around 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec606263666867666767666361
Data source: Temperature data for Barillas 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 Barillas

In Barillas in May, the total precipitation amount is 228 mm (9.0 in) spread over 27 days.

May Precipitation Trends in Barillas

The chart displays monthly precipitation patterns in Barillas, 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 Barillas, May typically receives around 228 mm (9.0 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec10157449822857912722227830016889
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Barillas

In Barillas in May, humidity is 65%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, creating a sticky atmosphere that can be quite oppressive for traveling, making every step feel heavier and the air thick with moisture.

May Average Humidity in Barillas

This chart illustrates the average monthly humidity levels in Barillas, 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 Barillas is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Barillas

In Barillas 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 Barillas.

Maximum UV Index Levels in Barillas for May

The chart shows the monthly maximum UV Index (UVI) for Barillas 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 Barillas typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151515151414131110
Data source: Barillas 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 Barillas Compares to Other Months

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

This table compares monthly weather conditions in Barillas, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (60°F)101 mm (4.0 inches)76%extreme
February Weather17°C (62°F)57 mm (2.3 inches)68%extreme
March Weather17°C (63°F)44 mm (1.7 inches)59%extreme
April Weather19°C (67°F)98 mm (3.9 inches)57%extreme
May Weather20°C (69°F)228 mm (9.0 inches)65%extreme
June Weather20°C (68°F)579 mm (22.8 inches)66%extreme
July Weather19°C (67°F)127 mm (5.0 inches)75%extreme
August Weather19°C (67°F)222 mm (8.7 inches)82%extreme
September Weather19°C (67°F)278 mm (10.9 inches)82%extreme
October Weather19°C (67°F)300 mm (11.8 inches)83%extreme
November Weather17°C (63°F)168 mm (6.6 inches)80%extreme
December Weather16°C (61°F)89 mm (3.5 inches)76%very high

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