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May Weather in Los Chiles, Costa Rica

Last updated: August 23, 2025

In Los Chiles, Costa Rica, the average temperature in May is a warm 26°C (79°F). Expect a range where the minimum can dip to 21°C (70°F) and the maximum may soar to 35°C (96°F). During this month, anticipate significant precipitation totaling 315 mm (12.4 in) spread over 29 days. With an average humidity of 70%, it's a time that combines warmth with a touch of tropical moisture.

May Temperature in Los Chiles

In May in Los Chiles, the average temperature is 26°C (79°F), with maximums reaching 35°C (96°F) and minimums dropping as low as 21°C (70°F). This pleasant climate makes Los Chiles an ideal destination for travelers seeking warmth and outdoor adventure.

May Weather in Los Chiles: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Los Chiles, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Los Chiles, May typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (96°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec767677797979787878787776
Data source: Temperature data for Los Chiles 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 Los Chiles

In Los Chiles, in May, the total precipitation amount is 315 mm (12.4 in) spread over 29 days.

May Precipitation Trends in Los Chiles

The chart displays monthly precipitation patterns in Los Chiles, 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 Los Chiles, May typically receives around 315 mm (12.4 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec120758470315324252277296353241176
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Los Chiles

In Los Chiles in May, humidity is 70%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures a bit sticky but also invigorating, requiring frequent breaks to hydrate and cool off.

May Average Humidity in Los Chiles

This chart illustrates the average monthly humidity levels in Los Chiles, 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 Los Chiles is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%70%68%69%70%81%88%85%84%82%81%74%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Los Chiles

In Los Chiles 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 Los Chiles, you can check here.

Maximum UV Index Levels in Los Chiles for May

The chart shows the monthly maximum UV Index (UVI) for Los Chiles 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 Los Chiles typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111214141413141313131110
Data source: Los Chiles 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 Los Chiles Compares to Other Months

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

This table compares monthly weather conditions in Los Chiles, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)120 mm (4.7 inches)71%extreme
February Weather25°C (77°F)75 mm (3.0 inches)70%extreme
March Weather25°C (78°F)84 mm (3.3 inches)68%extreme
April Weather26°C (80°F)70 mm (2.7 inches)69%extreme
May Weather26°C (79°F)315 mm (12.4 inches)70%extreme
June Weather26°C (79°F)323 mm (12.7 inches)81%extreme
July Weather26°C (78°F)252 mm (9.9 inches)88%extreme
August Weather26°C (78°F)277 mm (10.9 inches)85%extreme
September Weather26°C (79°F)296 mm (11.7 inches)84%extreme
October Weather25°C (78°F)353 mm (13.9 inches)82%extreme
November Weather25°C (77°F)241 mm (9.5 inches)81%extreme
December Weather25°C (76°F)176 mm (6.9 inches)74%very high

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