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December Weather in Tropic, United States

Last updated: June 24, 2025

In December, the average temperature in Tropic, United States hovers around -4°C (26°F). Expect chilly days with lows plunging to -26°C (-14°F) and highs reaching a maximum of 14°C (58°F). With an average humidity of 83%, this month also sees about 24 mm (1.0 in) of precipitation spread over 4 days. Stay warm and prepared for the elements!

December Temperature in Tropic

In December in Tropic, the average temperature is -4°C (26°F), with maximums reaching 14°C (58°F) and minimums plummeting to -26°C (-14°F). It's essential for travelers to prepare for a wide temperature range and dress warmly to enjoy the winter scenery.

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

The chart illustrates December temperature patterns in Tropic, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tropic, December typically has an average temperature of -4°C (26°F), with highs reaching up to 14°C (58°F) and lows dropping to around -26°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec222534445367727062463725
Data source: Temperature data for Tropic 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 Tropic

In Tropic in December, the precipitation amount is 24 mm (1.0 in) over the course of 4 days.

December Precipitation Trends in Tropic

The chart displays monthly precipitation patterns in Tropic, 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 Tropic, December typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec32343820286201813212025
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tropic

In Tropic in December, humidity is 83%. With an average temperature of -4°C (26°F), this humidity feels like a chilling blanket that clings to your skin, making outdoor activities uncomfortable and forcing travelers to bundle up tightly, even as the cold penetrates through layers of clothing.

December Average Humidity in Tropic

This chart illustrates the average monthly humidity levels in Tropic, 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 Tropic is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%73%66%48%36%33%37%52%67%80%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tropic

In Tropic 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 Tropic for better planning.

Maximum UV Index Levels in Tropic for December

The chart shows the monthly maximum UV Index (UVI) for Tropic 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 Tropic typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101212131110754
Data source: Tropic 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 Tropic Compares to Other Months

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

This table compares monthly weather conditions in Tropic, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)32 mm (1.3 inches)82%moderate
February Weather-4°C (25°F)34 mm (1.3 inches)84%high
March Weather1°C (34°F)38 mm (1.5 inches)73%very high
April Weather7°C (44°F)20 mm (0.8 inches)65%very high
May Weather12°C (54°F)28 mm (1.1 inches)48%extreme
June Weather19°C (67°F)6 mm (0.3 inches)35%extreme
July Weather22°C (72°F)20 mm (0.8 inches)33%extreme
August Weather21°C (70°F)18 mm (0.7 inches)37%extreme
September Weather17°C (62°F)13 mm (0.5 inches)52%very high
October Weather8°C (46°F)21 mm (0.8 inches)67%high
November Weather3°C (38°F)20 mm (0.8 inches)80%moderate
December Weather-4°C (26°F)24 mm (1.0 inches)83%moderate

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