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May Weather in Panama, United States

Last updated: June 24, 2025

In May, the average temperature in Panama, United States hovers around 22°C (71°F). You can expect a minimum dip to 7°C (45°F) and a peak reaching up to 34°C (94°F). With an average humidity of 82% and a total precipitation of 197 mm (7.7 in) spread across about 12 days, it’s a month of dynamic weather—perfect for planning your next adventure!

May Temperature in Panama

In May in Panama, the average temperature is 22°C (71°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to as low as 7°C (45°F). This varied climate makes Panama an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Panama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Panama, May typically has an average temperature of 22°C (71°F), with highs reaching up to 34°C (94°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec414555617179838177645247
Data source: Temperature data for Panama 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 Panama

In Panama in May, the precipitation amount is 197 mm (7.7 in) over a period of 12 days.

May Precipitation Trends in Panama

The chart displays monthly precipitation patterns in Panama, 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 Panama, May typically receives around 197 mm (7.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec851091141301977776112711406682
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Panama

In Panama in May, humidity is 82%. With an average temperature of 22°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel laborious and sweat-dripping, urging travelers to stay hydrated and seek the shade more often.

May Average Humidity in Panama

This chart illustrates the average monthly humidity levels in Panama, 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 Panama is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Panama

In Panama in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Panama.

Maximum UV Index Levels in Panama for May

The chart shows the monthly maximum UV Index (UVI) for Panama 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 Panama typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109754
Data source: Panama 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 Panama Compares to Other Months

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

This table compares monthly weather conditions in Panama, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)85 mm (3.3 inches)82%moderate
February Weather7°C (45°F)109 mm (4.3 inches)79%high
March Weather13°C (56°F)114 mm (4.5 inches)77%high
April Weather16°C (61°F)130 mm (5.1 inches)78%very high
May Weather22°C (71°F)197 mm (7.7 inches)82%very high
June Weather26°C (79°F)77 mm (3.0 inches)81%extreme
July Weather28°C (83°F)76 mm (3.0 inches)75%extreme
August Weather27°C (81°F)112 mm (4.4 inches)61%very high
September Weather25°C (77°F)71 mm (2.8 inches)59%very high
October Weather18°C (64°F)140 mm (5.5 inches)69%high
November Weather11°C (52°F)66 mm (2.6 inches)82%moderate
December Weather8°C (47°F)82 mm (3.2 inches)87%moderate

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