January Weather in Gloucester, United States

Last updated: June 24, 2025

In Gloucester, United States, the average temperature in January hovers around 11°C (52°F). During this time, temperatures can range from a chilly -5°C (24°F) to a warmer 22°C (72°F). Expect 86 mm (3.4 in) of precipitation spread over about 9 days, accompanied by an average humidity level of 84%.

January Temperature in Gloucester

In January in Gloucester, the average temperature is 11°C (52°F), with maximums reaching 22°C (72°F) and minimums dropping as low as -5°C (24°F). It's advisable to pack layers to accommodate the varying temperatures during your travels.

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

The chart illustrates January temperature patterns in Gloucester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gloucester, January typically has an average temperature of 11°C (52°F), with highs reaching up to 22°C (72°F) and lows dropping to around -5°C (24°F).

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

January Precipitation in Gloucester

In Gloucester in January, the precipitation amount is 86 mm (3.4 in), falling over the course of 9 days.

January Precipitation Trends in Gloucester

The chart displays monthly precipitation patterns in Gloucester, 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 Gloucester, January typically receives around 86 mm (3.4 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 Gloucester

In Gloucester in January, humidity is 84%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket, making it uncomfortable for traveling as the dampness clings to your skin and can leave you feeling sluggish and fatigued.

January Average Humidity in Gloucester

This chart illustrates the average monthly humidity levels in Gloucester, 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 Gloucester 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 Gloucester

In Gloucester in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Gloucester for better planning.

Maximum UV Index Levels in Gloucester for January

The chart shows the monthly maximum UV Index (UVI) for Gloucester 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 Gloucester typically reaches 4, which falls under the moderate exposure category.

Data source: Gloucester 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 Gloucester Compares to Other Months

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

This table compares monthly weather conditions in Gloucester, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	86 mm (3.4 inches)	84%	moderate
February Weather	12°C (55°F)	140 mm (5.5 inches)	81%	high
March Weather	14°C (57°F)	85 mm (3.3 inches)	80%	very high
April Weather	17°C (64°F)	104 mm (4.1 inches)	80%	very high
May Weather	22°C (71°F)	109 mm (4.3 inches)	81%	extreme
June Weather	25°C (77°F)	145 mm (5.7 inches)	82%	extreme
July Weather	27°C (81°F)	162 mm (6.4 inches)	83%	extreme
August Weather	27°C (80°F)	194 mm (7.6 inches)	82%	very high
September Weather	25°C (78°F)	202 mm (7.9 inches)	80%	very high
October Weather	22°C (72°F)	93 mm (3.7 inches)	79%	very high
November Weather	16°C (61°F)	117 mm (4.6 inches)	83%	moderate
December Weather	13°C (56°F)	149 mm (5.8 inches)	84%	moderate