January Weather in Cambridge, United States

Last updated: June 24, 2025

In January, the average temperature in Cambridge, United States hovers around 0°C (32°F). Expect a chilly range, with minimums plummeting to -22°C (-8°F) and maximums soaring to 21°C (71°F). Rainfall may be frequent, accumulating to 91 mm (3.6 in) over approximately 10 days, while the average humidity remains high at 88%. Prepare for a month of contrasts!

January Temperature in Cambridge

In January in Cambridge, the average temperature is 0°C (32°F). Maximums can reach 21°C (71°F), while minimums can dip as low as -22°C (-8°F). Travelers should be prepared for a wide range of temperatures, so packing layers is essential.

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 0°C (32°F), with highs reaching up to 21°C (71°F) and lows dropping to around -22°C (-8°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 totals 91 mm (3.6 in) over a span of 10 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 91 mm (3.6 inches) of precipitation spread over approximately 10 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 0°C (32°F), this humidity feels like a chilly, damp blanket enveloping you, making travel uncomfortable as every breath seems to carry the weight of the cold moisture, turning each step into a struggle against the biting chill.

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 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 Cambridge, you can check the information here.

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 3, which falls under the moderate 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	0°C (32°F)	91 mm (3.6 inches)	88%	moderate
February Weather	2°C (36°F)	119 mm (4.7 inches)	88%	moderate
March Weather	6°C (43°F)	114 mm (4.5 inches)	88%	high
April Weather	11°C (53°F)	134 mm (5.3 inches)	86%	very high
May Weather	17°C (64°F)	142 mm (5.6 inches)	82%	very high
June Weather	22°C (71°F)	166 mm (6.5 inches)	84%	very high
July Weather	24°C (76°F)	121 mm (4.8 inches)	82%	very high
August Weather	23°C (74°F)	100 mm (4.0 inches)	73%	very high
September Weather	20°C (69°F)	112 mm (4.4 inches)	73%	very high
October Weather	14°C (58°F)	110 mm (4.3 inches)	81%	high
November Weather	6°C (43°F)	98 mm (3.9 inches)	89%	moderate
December Weather	3°C (37°F)	110 mm (4.3 inches)	86%	moderate