December Weather in Andover, United States

Last updated: June 24, 2025

In December, the average temperature in Andover, United States hovers around 0°C (33°F). Expect a chilly minimum of -22°C (-6°F) and a pleasant maximum reaching 21°C (70°F). With 49 mm (1.9 in) of precipitation spread over 6 days, the air will feel quite humid, with an average humidity level of 84%. Prepare for a mix of cold and comfort as you explore!

December Temperature in Andover

In December in Andover, the average temperature is 0°C (33°F). Maximums can reach 21°C (70°F), while minimums can dip as low as -22°C (-6°F). Pack accordingly to enjoy a range of weather during your travels!

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

The chart illustrates December temperature patterns in Andover, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Andover, December typically has an average temperature of 0°C (33°F), with highs reaching up to 21°C (70°F) and lows dropping to around -22°C (-6°F).

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

December Precipitation in Andover

In Andover in December, the precipitation amount is 49 mm (1.9 in) over the course of 6 days.

December Precipitation Trends in Andover

The chart displays monthly precipitation patterns in Andover, 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 Andover, December typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 6 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 Andover

In Andover in December humidity is 84%. With average temperature 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures less enjoyable and travel plans challenging.

December Average Humidity in Andover

This chart illustrates the average monthly humidity levels in Andover, 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 Andover 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 Andover

In Andover 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 Andover, you can visit Hourly UV Index in Andover.

Maximum UV Index Levels in Andover for December

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

Data source: Andover 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 Andover Compares to Other Months

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

This table compares monthly weather conditions in Andover, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	56 mm (2.2 inches)	81%	moderate
February Weather	-3°C (27°F)	63 mm (2.5 inches)	81%	moderate
March Weather	5°C (41°F)	100 mm (3.9 inches)	81%	high
April Weather	10°C (50°F)	113 mm (4.5 inches)	82%	very high
May Weather	17°C (63°F)	157 mm (6.2 inches)	78%	very high
June Weather	23°C (74°F)	143 mm (5.6 inches)	81%	extreme
July Weather	25°C (77°F)	100 mm (3.9 inches)	79%	very high
August Weather	23°C (74°F)	70 mm (2.7 inches)	77%	very high
September Weather	20°C (69°F)	103 mm (4.1 inches)	78%	very high
October Weather	12°C (55°F)	127 mm (5.0 inches)	78%	high
November Weather	4°C (39°F)	52 mm (2.0 inches)	87%	moderate
December Weather	0°C (33°F)	49 mm (1.9 inches)	84%	low