January Weather in Lowell, United States

Last updated: June 24, 2025

In January, the average temperature in Lowell, United States hovers around 4°C (40°F). Be prepared for a range of temperatures, with a minimum of -14°C (7°F) and a maximum of 18°C (64°F). Expect 189 mm (7.4 in) of precipitation spread over 16 days, contributing to a high average humidity of 84%.

January Temperature in Lowell

In January in Lowell, the average temperature is 4°C (40°F). The maximum can reach 18°C (64°F), while the minimum can drop as low as -14°C (7°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack appropriately for both chilly and mild conditions.

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 (40°F), with highs reaching up to 18°C (64°F) and lows dropping to around -14°C (7°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 189 mm (7.4 in) occurring over the course of 16 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 189 mm (7.4 inches) of precipitation spread over approximately 16 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 Lowell

In Lowell in January, humidity is 84%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and requiring extra layers to stay warm and dry while traveling.

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 84%, 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 (40°F)	189 mm (7.4 inches)	84%	low
February Weather	4°C (39°F)	241 mm (9.5 inches)	85%	moderate
March Weather	6°C (43°F)	169 mm (6.6 inches)	86%	high
April Weather	9°C (49°F)	175 mm (6.9 inches)	83%	high
May Weather	13°C (55°F)	85 mm (3.3 inches)	83%	very high
June Weather	16°C (62°F)	57 mm (2.2 inches)	83%	very high
July Weather	20°C (68°F)	3 mm (0.1 inches)	78%	very high
August Weather	20°C (69°F)	8 mm (0.3 inches)	67%	very high
September Weather	17°C (62°F)	101 mm (4.0 inches)	66%	very high
October Weather	11°C (51°F)	133 mm (5.2 inches)	77%	moderate
November Weather	7°C (45°F)	179 mm (7.1 inches)	87%	moderate
December Weather	4°C (40°F)	216 mm (8.5 inches)	87%	low