January Weather in Lowell, United States

Last updated: June 24, 2025

In January, the average temperature in Lowell, United States hovers around -4°C (26°F), with extremes ranging from a brisk -25°C (-13°F) to a mild 15°C (59°F). This period sees an average precipitation of 64 mm (2.5 in) over 10 days, contributing to a notably high average humidity of 87%. Prepare accordingly for the chilly, damp weather!

January Temperature in Lowell

In January in Lowell, the average temperature is -4°C (26°F), with maximums reaching 15°C (59°F) and minimums dropping as low as -25°C (-13°F). Be sure to pack warm clothing and prepare for a range of temperatures if you're planning to travel during this month.

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

The chart illustrates January temperature patterns in Lowell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lowell, January typically has an average temperature of -4°C (26°F), with highs reaching up to 15°C (59°F) and lows dropping to around -25°C (-13°F).

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

January Precipitation in Lowell

In Lowell in January, the precipitation amount is 64 mm (2.5 in) over a span of 10 days.

January Precipitation Trends in Lowell

The chart displays monthly precipitation patterns in Lowell, 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 Lowell, January typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Lowell

In Lowell in January humidity is 87%. With average temperature -4°C (26°F), this humidity feels like an icy blanket enveloping you, making outdoor activities challenging and rendering those brisk air moments difficult to bear, as the cold moisture seeps into your clothing and chills you to the bone.

January Average Humidity in Lowell

This chart illustrates the average monthly humidity levels in Lowell, 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 Lowell is approximately 87%, 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 Lowell

In Lowell in January, 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 Lowell, you can visit Hourly UV Index in Lowell.

Maximum UV Index Levels in Lowell for January

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

Data source: Lowell 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 Lowell Compares to Other Months

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

This table compares monthly weather conditions in Lowell, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	64 mm (2.5 inches)	87%	low
February Weather	-3°C (27°F)	68 mm (2.7 inches)	87%	moderate
March Weather	2°C (37°F)	65 mm (2.6 inches)	86%	moderate
April Weather	8°C (46°F)	86 mm (3.4 inches)	87%	very high
May Weather	15°C (60°F)	134 mm (5.3 inches)	82%	very high
June Weather	21°C (70°F)	120 mm (4.7 inches)	81%	very high
July Weather	24°C (75°F)	68 mm (2.7 inches)	78%	very high
August Weather	22°C (72°F)	69 mm (2.7 inches)	79%	very high
September Weather	18°C (65°F)	113 mm (4.5 inches)	79%	high
October Weather	11°C (53°F)	130 mm (5.1 inches)	82%	moderate
November Weather	3°C (38°F)	62 mm (2.4 inches)	87%	moderate
December Weather	0°C (32°F)	65 mm (2.6 inches)	86%	low