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December Weather in Panama, United States

Last updated: June 24, 2025

In December, the average temperature in Panama, United States hovers around 8°C (47°F), presenting a mild climate. However, be prepared for a range, as temperatures can drop to a minimum of -6°C (21°F) or soar to a maximum of 26°C (79°F). During this month, expect approximately 82 mm (3.2 in) of precipitation over 8 days, and enjoy a high average humidity of 87% that adds to the atmosphere.

December Temperature in Panama

In December in Panama, the average temperature is 8°C (47°F), with maximums reaching 26°C (79°F) and minimums dropping as low as -6°C (21°F). This range makes it essential for travelers to pack layers to stay comfortable throughout their visit.

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

The chart illustrates December 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, December typically has an average temperature of 8°C (47°F), with highs reaching up to 26°C (79°F) and lows dropping to around -6°C (21°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.

December Precipitation in Panama

In Panama in December, the total precipitation amount reached 82 mm (3.2 in) over the course of 8 days.

December Precipitation Trends in Panama

The chart displays monthly precipitation patterns in Panama, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Panama, December typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec851091141301977776112711406682
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Panama

In Panama in December, humidity is 87%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortably muggy despite the cool air.

December Average Humidity in Panama

This chart illustrates the average monthly humidity levels in Panama, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Panama is approximately 87%, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Panama

In Panama in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Panama for better planning.

Maximum UV Index Levels in Panama for December

The chart shows the monthly maximum UV Index (UVI) for Panama in December, 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 December, the maximum UV index in Panama typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109754
Data source: Panama December 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 December 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 December’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 December’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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