January Weather in Cambridge, United States

Last updated: June 24, 2025

In January, the average temperature in Cambridge, United States hovers around -7°C (19°F). However, temperatures can dip as low as -31°C (-23°F), while occasionally reaching a maximum of 12°C (54°F). Expect 88 mm (3.5 in) of precipitation over 9 days, with humidity levels averaging a brisk 88%. Be prepared for a truly cold and wet experience!

January Temperature in Cambridge

In January in Cambridge, the average temperature is -7°C (19°F). The maximum can reach 12°C (54°F), while the minimum can be as low as -31°C (-23°F). Travelers should be prepared for extreme cold and varying temperatures during this time.

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

The chart illustrates January temperature patterns in Cambridge, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cambridge, January typically has an average temperature of -7°C (19°F), with highs reaching up to 12°C (54°F) and lows dropping to around -31°C (-23°F).

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

January Precipitation in Cambridge

In Cambridge in January, the precipitation amount is 88 mm (3.5 in) over the course of 9 days.

January Precipitation Trends in Cambridge

The chart displays monthly precipitation patterns in Cambridge, 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 Cambridge, January typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 9 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 Cambridge

In Cambridge in January, humidity is 88%. With an average temperature of -7°C (19°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making every step outside feel heavier and more uncomfortable for traveling.

January Average Humidity in Cambridge

This chart illustrates the average monthly humidity levels in Cambridge, 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 Cambridge is approximately 88%, 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 Cambridge

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

Maximum UV Index Levels in Cambridge for January

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

Data source: Cambridge 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 Cambridge Compares to Other Months

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

This table compares monthly weather conditions in Cambridge, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	88 mm (3.5 inches)	88%	low
February Weather	-6°C (21°F)	83 mm (3.3 inches)	88%	moderate
March Weather	-2°C (29°F)	75 mm (2.9 inches)	85%	moderate
April Weather	5°C (42°F)	126 mm (5.0 inches)	81%	very high
May Weather	12°C (54°F)	95 mm (3.7 inches)	76%	very high
June Weather	17°C (64°F)	85 mm (3.4 inches)	74%	very high
July Weather	20°C (69°F)	103 mm (4.1 inches)	74%	very high
August Weather	20°C (68°F)	81 mm (3.2 inches)	74%	very high
September Weather	16°C (60°F)	74 mm (2.9 inches)	77%	high
October Weather	9°C (49°F)	129 mm (5.1 inches)	82%	moderate
November Weather	1°C (34°F)	115 mm (4.5 inches)	85%	moderate
December Weather	-5°C (24°F)	120 mm (4.7 inches)	84%	low