December Weather in Ipswich, United States

Last updated: June 24, 2025

The average temperature in Ipswich, United States during December hovers around -5°C (23°F). However, temperatures can swing significantly, with a minimum of -28°C (-18°F) and a maximum reaching 16°C (61°F). Expect about 28 mm (1.1 in) of precipitation spread over 5 days, accompanied by a high average humidity of 81%.

December Temperature in Ipswich

In December in Ipswich, the average temperature is -5°C (23°F), with maximums reaching 16°C (61°F) and minimums dropping as low as -28°C (-18°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for both cold and milder conditions.

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

The chart illustrates December temperature patterns in Ipswich, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ipswich, December typically has an average temperature of -5°C (23°F), with highs reaching up to 16°C (61°F) and lows dropping to around -28°C (-18°F).

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

December Precipitation in Ipswich

In Ipswich in December, the precipitation amount is 28 mm (1.1 in) over a period of 5 days.

December Precipitation Trends in Ipswich

The chart displays monthly precipitation patterns in Ipswich, 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 Ipswich, December typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 5 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 Ipswich

In Ipswich in December, humidity is 81%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that penetrates deep into your bones, making outdoor activities uncomfortable and travel a challenge.

December Average Humidity in Ipswich

This chart illustrates the average monthly humidity levels in Ipswich, 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 Ipswich is approximately 81%, 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 Ipswich

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

Maximum UV Index Levels in Ipswich for December

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

Data source: Ipswich 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 Ipswich Compares to Other Months

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

This table compares monthly weather conditions in Ipswich, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	15 mm (0.6 inches)	81%	moderate
February Weather	-10°C (14°F)	17 mm (0.7 inches)	85%	moderate
March Weather	-1°C (31°F)	32 mm (1.3 inches)	76%	moderate
April Weather	5°C (41°F)	47 mm (1.8 inches)	79%	high
May Weather	14°C (57°F)	56 mm (2.2 inches)	76%	very high
June Weather	22°C (71°F)	76 mm (3.0 inches)	81%	very high
July Weather	23°C (75°F)	70 mm (2.7 inches)	82%	very high
August Weather	21°C (70°F)	105 mm (4.1 inches)	82%	very high
September Weather	17°C (62°F)	82 mm (3.2 inches)	77%	very high
October Weather	7°C (45°F)	70 mm (2.7 inches)	76%	moderate
November Weather	0°C (32°F)	13 mm (0.5 inches)	84%	moderate
December Weather	-5°C (23°F)	28 mm (1.1 inches)	81%	low