December Weather in Middlebury, United States

Last updated: June 24, 2025

In Middlebury, United States, the average temperature in December hovers around 1°C (34°F). Expect a minimum drop to -21°C (-5°F) and a potential rise to a maximum of 17°C (62°F). During this month, the region experiences 61 mm (2.4 in) of precipitation over 10 days and maintains a high average humidity level of 86%.

December Temperature in Middlebury

In December in Middlebury, the average temperature is 1°C (34°F). Maximum temperatures can reach 17°C (62°F), while minimum temperatures can dip as low as -21°C (-5°F). Travelers should be prepared for a wide range of weather conditions, from chilly days to potentially very cold nights.

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

The chart illustrates December temperature patterns in Middlebury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Middlebury, December typically has an average temperature of 1°C (34°F), with highs reaching up to 17°C (62°F) and lows dropping to around -21°C (-5°F).

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

December Precipitation in Middlebury

In Middlebury in December, the precipitation amount is 61 mm (2.4 in) over a span of 10 days.

December Precipitation Trends in Middlebury

The chart displays monthly precipitation patterns in Middlebury, 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 Middlebury, December typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 10 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 Middlebury

In Middlebury in December, humidity is 86%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making outdoor adventures brisk and invigorating but challenging for travel.

December Average Humidity in Middlebury

This chart illustrates the average monthly humidity levels in Middlebury, 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 Middlebury is approximately 86%, 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 Middlebury

In Middlebury 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 Middlebury, you can check the information here.

Maximum UV Index Levels in Middlebury for December

The chart shows the monthly maximum UV Index (UVI) for Middlebury 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 Middlebury typically reaches 3, which falls under the moderate exposure category.

Data source: Middlebury 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 Middlebury Compares to Other Months

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

This table compares monthly weather conditions in Middlebury, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	72 mm (2.8 inches)	85%	moderate
February Weather	-2°C (29°F)	77 mm (3.0 inches)	85%	moderate
March Weather	4°C (39°F)	99 mm (3.9 inches)	86%	high
April Weather	9°C (48°F)	100 mm (3.9 inches)	87%	very high
May Weather	16°C (61°F)	142 mm (5.6 inches)	81%	very high
June Weather	22°C (72°F)	128 mm (5.1 inches)	82%	very high
July Weather	24°C (75°F)	121 mm (4.7 inches)	81%	very high
August Weather	22°C (72°F)	103 mm (4.1 inches)	79%	very high
September Weather	19°C (67°F)	80 mm (3.1 inches)	78%	very high
October Weather	13°C (55°F)	129 mm (5.1 inches)	81%	high
November Weather	4°C (40°F)	80 mm (3.1 inches)	89%	moderate
December Weather	1°C (34°F)	61 mm (2.4 inches)	86%	moderate