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May Weather in Rio Grande, Panama

Last updated: August 27, 2025

In May, the average temperature in Rio Grande, Panama is a pleasant 26°C (79°F). This month experiences a minimum temperature of 21°C (70°F) and can peak at a warm 33°C (91°F). However, be prepared for a good amount of rain, with 268 mm (10.5 in) expected over 29 days. The air tends to be quite humid, with an average humidity level of 73%.

May Temperature in Rio Grande

In May in Rio Grande, the average temperature is 26°C (79°F), with maximums reaching 33°C (91°F) and minimums dropping as low as 21°C (70°F). This pleasant climate makes it an ideal destination for travelers seeking warm and comfortable weather.

May Weather in Rio Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Rio Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Grande, May typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (91°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777797878787877777777
Data source: Temperature data for Rio Grande 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 Rio Grande

In Rio Grande in May, the total precipitation amount is 268 mm (10.5 in) spread over 29 days.

May Precipitation Trends in Rio Grande

The chart displays monthly precipitation patterns in Rio Grande, 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 Rio Grande, May typically receives around 268 mm (10.5 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec4426298426825826026931933029889
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rio Grande

In Rio Grande in May, humidity is 73%. With an average temperature of 26°C (79°F), this humidity feels like a warm, sticky embrace, making travel slightly uncomfortable as you navigate through the heat with a constant sheen of sweat on your skin.

May Average Humidity in Rio Grande

This chart illustrates the average monthly humidity levels in Rio Grande, 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 Rio Grande is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%71%69%70%73%90%89%87%87%86%86%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rio Grande

In Rio Grande 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 Rio Grande.

Maximum UV Index Levels in Rio Grande for May

The chart shows the monthly maximum UV Index (UVI) for Rio Grande 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 Rio Grande typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314151513131313131210
Data source: Rio Grande 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 Rio Grande Compares to Other Months

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

This table compares monthly weather conditions in Rio Grande, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)44 mm (1.7 inches)72%extreme
February Weather25°C (77°F)26 mm (1.0 inches)71%extreme
March Weather25°C (78°F)29 mm (1.2 inches)69%extreme
April Weather26°C (79°F)84 mm (3.3 inches)70%extreme
May Weather26°C (79°F)268 mm (10.5 inches)73%extreme
June Weather26°C (78°F)258 mm (10.1 inches)90%extreme
July Weather25°C (78°F)260 mm (10.2 inches)88%extreme
August Weather25°C (78°F)269 mm (10.6 inches)87%extreme
September Weather25°C (78°F)319 mm (12.6 inches)87%extreme
October Weather25°C (77°F)329 mm (13.0 inches)86%extreme
November Weather25°C (77°F)298 mm (11.7 inches)86%extreme
December Weather25°C (77°F)89 mm (3.5 inches)79%very high

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