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December Weather in Copan, United States

Last updated: June 24, 2025

In December, the average temperature in Copan, United States hovers around 5°C (42°F), with a possible minimum of -11°C (12°F) and a maximum reaching 25°C (77°F). Visitors can expect some precipitation, averaging 32 mm (1.3 in) over 4 days, while the air remains comfortably humid, with an average humidity of 85%.

December Temperature in Copan

In December in Copan, the average temperature is 5°C (42°F). The maximum can reach 25°C (77°F), while the minimum can be as low as -11°C (12°F). Travelers should be prepared for a wide range of temperatures, bringing both warm and cooler clothing for their visit.

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

The chart illustrates December temperature patterns in Copan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Copan, December typically has an average temperature of 5°C (42°F), with highs reaching up to 25°C (77°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec363851586879827975604842
Data source: Temperature data for Copan 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 Copan

In Copan in December, the total precipitation amount is 32 mm (1.3 in), accumulated over a period of 4 days.

December Precipitation Trends in Copan

The chart displays monthly precipitation patterns in Copan, 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 Copan, December typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec6054108101224968798781363932
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Copan

In Copan in December, humidity is 85%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and requiring extra layers to stay warm while exploring.

December Average Humidity in Copan

This chart illustrates the average monthly humidity levels in Copan, 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 Copan is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%71%74%83%83%81%73%67%72%82%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Copan

In Copan in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Copan, you can check the information here.

Maximum UV Index Levels in Copan for December

The chart shows the monthly maximum UV Index (UVI) for Copan 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 Copan typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Copan 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 Copan Compares to Other Months

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

This table compares monthly weather conditions in Copan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)60 mm (2.4 inches)77%moderate
February Weather3°C (38°F)54 mm (2.1 inches)76%high
March Weather11°C (51°F)108 mm (4.2 inches)71%high
April Weather14°C (58°F)101 mm (4.0 inches)73%very high
May Weather20°C (68°F)224 mm (8.8 inches)83%very high
June Weather26°C (79°F)96 mm (3.8 inches)83%extreme
July Weather28°C (82°F)86 mm (3.4 inches)81%extreme
August Weather26°C (80°F)98 mm (3.9 inches)73%very high
September Weather24°C (75°F)78 mm (3.1 inches)67%very high
October Weather16°C (61°F)136 mm (5.3 inches)72%high
November Weather9°C (48°F)39 mm (1.6 inches)82%moderate
December Weather5°C (42°F)32 mm (1.3 inches)85%moderate

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