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December Weather in Rio Grande, Panama

Last updated: August 27, 2025

In Rio Grande, Panama, the average temperature in December hovers around 26°C (80°F), with the mercury sometimes dipping to a minimum of 22°C (72°F) and soaring up to a maximum of 32°C (90°F). Visitors can expect 127 mm (5.0 in) of precipitation spread over 19 days, contributing to an average humidity of 79%. It's a month that perfectly balances warmth and occasional refreshing showers!

December Temperature in Rio Grande

In December in Rio Grande, the average temperature is 26°C (80°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 22°C (72°F). This pleasant climate makes Rio Grande an ideal destination for travelers seeking warm weather and enjoyable outdoor activities.

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

The chart illustrates December 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, December typically has an average temperature of 26°C (80°F), with highs reaching up to 32°C (90°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec808182828080808079797980
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.

December Precipitation in Rio Grande

In Rio Grande in December, the total precipitation amount is 127 mm (5.0 in), occurring over a span of 19 days.

December Precipitation Trends in Rio Grande

The chart displays monthly precipitation patterns in Rio Grande, 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 Rio Grande, December typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec491313158360352329355309497345127
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Rio Grande

In Rio Grande in December, humidity is 79%. With an average temperature of 26°C (80°F), this humidity feels like an enveloping warm blanket, making travel feel slightly sluggish and prompting frequent hydration breaks to stay comfortable while exploring the sights.

December Average Humidity in Rio Grande

This chart illustrates the average monthly humidity levels in Rio Grande, 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 Rio Grande is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%74%76%78%83%80%79%78%77%79%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Rio Grande

In Rio Grande in December, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Rio Grande.

Maximum UV Index Levels in Rio Grande for December

The chart shows the monthly maximum UV Index (UVI) for Rio Grande 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 Rio Grande typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314151513131313131211
Data source: Rio Grande 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 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 December’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 December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)49 mm (1.9 inches)76%extreme
February Weather27°C (81°F)13 mm (0.5 inches)75%extreme
March Weather28°C (83°F)12 mm (0.5 inches)74%extreme
April Weather28°C (82°F)158 mm (6.2 inches)76%extreme
May Weather27°C (81°F)360 mm (14.2 inches)78%extreme
June Weather27°C (80°F)352 mm (13.9 inches)83%extreme
July Weather26°C (80°F)329 mm (12.9 inches)79%extreme
August Weather26°C (80°F)355 mm (14.0 inches)79%extreme
September Weather26°C (79°F)308 mm (12.1 inches)78%extreme
October Weather26°C (79°F)497 mm (19.6 inches)77%extreme
November Weather26°C (79°F)345 mm (13.6 inches)79%extreme
December Weather26°C (80°F)127 mm (5.0 inches)79%extreme

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