January Weather in Tewksbury, United States

Last updated: June 24, 2025

In Tewksbury, United States, the average temperature in January hovers around -1°C (31°F). Visitors can expect a chilly range, with minimums dipping to -21°C (-6°F) and highs reaching up to 21°C (69°F). During this time, the area also sees an average precipitation of 71 mm (2.8 in) spread across 8 days, contributing to an average humidity level of 86%.

January Temperature in Tewksbury

In January in Tewksbury, the average temperature is -1°C (31°F). Maximum temperatures can reach 21°C (69°F), while minimums can drop as low as -21°C (-6°F). Travelers should be prepared for a wide range of weather conditions during this time.

January Weather in Tewksbury: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Tewksbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tewksbury, January typically has an average temperature of -1°C (31°F), with highs reaching up to 21°C (69°F) and lows dropping to around -21°C (-6°F).

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

January Precipitation in Tewksbury

In Tewksbury in January, the precipitation amount is 71 mm (2.8 in) over the course of 8 days.

January Precipitation Trends in Tewksbury

The chart displays monthly precipitation patterns in Tewksbury, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Tewksbury, January typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Tewksbury

In Tewksbury in January humidity is 86%. With an average temperature of -1°C (31°F), this humidity feels like an eerie chill enveloping you, making travel uncomfortable as the damp air bites into your skin and the cold seeps through even the warmest of clothes, creating an atmosphere that is heavy and uninviting.

January Average Humidity in Tewksbury

This chart illustrates the average monthly humidity levels in Tewksbury, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Tewksbury is approximately 86%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Tewksbury

In Tewksbury in January, 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 Tewksbury, you can check the information here.

Maximum UV Index Levels in Tewksbury for January

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

Data source: Tewksbury January 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 January Weather in Tewksbury Compares to Other Months

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

This table compares monthly weather conditions in Tewksbury, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	71 mm (2.8 inches)	86%	moderate
February Weather	0°C (33°F)	87 mm (3.4 inches)	84%	moderate
March Weather	3°C (38°F)	89 mm (3.5 inches)	82%	moderate
April Weather	9°C (48°F)	127 mm (5.0 inches)	80%	very high
May Weather	15°C (59°F)	86 mm (3.4 inches)	72%	very high
June Weather	20°C (69°F)	85 mm (3.4 inches)	72%	very high
July Weather	23°C (74°F)	125 mm (4.9 inches)	67%	very high
August Weather	23°C (74°F)	79 mm (3.1 inches)	66%	very high
September Weather	19°C (67°F)	79 mm (3.1 inches)	71%	high
October Weather	13°C (56°F)	132 mm (5.2 inches)	78%	high
November Weather	6°C (43°F)	95 mm (3.7 inches)	84%	moderate
December Weather	1°C (34°F)	119 mm (4.7 inches)	81%	low