December Weather in Tremont, United States

Last updated: June 24, 2025

In December, the average temperature in Tremont, United States hovers around 1°C (35°F), with fluctuations ranging from a chilly -16°C (4°F) to a mild 14°C (57°F). Expect about 154 mm (6.1 in) of precipitation over 13 days, accompanied by relatively high humidity at 84%. Be prepared for a mix of cold and wet weather during this time!

December Temperature in Tremont

In December, in Tremont, the average temperature is a chilly 1°C (35°F). Maximum temperatures can reach a milder 14°C (57°F), while the minimum can drop as low as -16°C (4°F). Travelers should prepare for cold weather and pack accordingly for their trip.

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

The chart illustrates December temperature patterns in Tremont, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tremont, December typically has an average temperature of 1°C (35°F), with highs reaching up to 14°C (57°F) and lows dropping to around -16°C (4°F).

Data source: Temperature data for Tremont generated using information from the Copernicus Climate Change Service.

December Precipitation in Tremont

In Tremont in December, the precipitation amount is 154 mm (6.1 in) over the course of 13 days.

December Precipitation Trends in Tremont

The chart displays monthly precipitation patterns in Tremont, 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 Tremont, December typically receives around 154 mm (6.1 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Tremont

In Tremont in December humidity is 84%. With an average temperature of 1°C (35°F), this humidity feels like a cold, damp chill that seeps into your bones, making it feel much colder than the thermometer suggests, which can be quite uncomfortable for traveling.

December Average Humidity in Tremont

This chart illustrates the average monthly humidity levels in Tremont, 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 Tremont is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tremont

In Tremont in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Tremont, you can visit Hourly UV Index in Tremont.

Maximum UV Index Levels in Tremont for December

The chart shows the monthly maximum UV Index (UVI) for Tremont 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 Tremont typically reaches 2, which falls under the low exposure category.

Data source: Tremont 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 Tremont Compares to Other Months

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

This table compares monthly weather conditions in Tremont, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	113 mm (4.4 inches)	88%	low
February Weather	-1°C (31°F)	107 mm (4.2 inches)	88%	moderate
March Weather	1°C (34°F)	83 mm (3.3 inches)	85%	moderate
April Weather	5°C (41°F)	143 mm (5.6 inches)	81%	high
May Weather	8°C (48°F)	105 mm (4.1 inches)	76%	very high
June Weather	12°C (54°F)	95 mm (3.7 inches)	74%	very high
July Weather	15°C (59°F)	82 mm (3.2 inches)	74%	very high
August Weather	16°C (62°F)	87 mm (3.4 inches)	74%	very high
September Weather	15°C (59°F)	105 mm (4.2 inches)	77%	high
October Weather	12°C (54°F)	119 mm (4.7 inches)	82%	moderate
November Weather	6°C (44°F)	139 mm (5.5 inches)	85%	moderate
December Weather	1°C (35°F)	154 mm (6.1 inches)	84%	low