January Weather in Northumberland, United States

Last updated: June 24, 2025

In Northumberland, United States, the average temperature in January hovers around -4°C (25°F). Expect chilly days, with temperatures dipping as low as -31°C (-23°F) and peaking at a mild 17°C (63°F). This month brings about 78 mm (3.1 in) of precipitation over approximately 9 days, contributing to an average humidity level of 89%. Be prepared for the frosty embrace of winter!

January Temperature in Northumberland

In January in Northumberland, the average temperature is -4°C (25°F), with a maximum that can reach 17°C (63°F) and a minimum that can drop as low as -31°C (-23°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates January temperature patterns in Northumberland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Northumberland, January typically has an average temperature of -4°C (25°F), with highs reaching up to 17°C (63°F) and lows dropping to around -31°C (-23°F).

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

January Precipitation in Northumberland

In Northumberland in January, the precipitation amount is 78 mm (3.1 in) over the course of 9 days.

January Precipitation Trends in Northumberland

The chart displays monthly precipitation patterns in Northumberland, 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 Northumberland, January typically receives around 78 mm (3.1 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 Northumberland

In Northumberland in January humidity is 89%. With an average temperature of -4°C (25°F), this humidity feels like an intense chill that seeps into your bones, making traveling uncomfortable as you navigate through the damp, cold air.

January Average Humidity in Northumberland

This chart illustrates the average monthly humidity levels in Northumberland, 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 Northumberland is approximately 89%, 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 Northumberland

In Northumberland 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 Northumberland, you can check the information here.

Maximum UV Index Levels in Northumberland for January

The chart shows the monthly maximum UV Index (UVI) for Northumberland 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 Northumberland typically reaches 3, which falls under the moderate exposure category.

Data source: Northumberland 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 Northumberland Compares to Other Months

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

This table compares monthly weather conditions in Northumberland, 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 (25°F)	78 mm (3.1 inches)	89%	moderate
February Weather	-3°C (27°F)	91 mm (3.6 inches)	88%	moderate
March Weather	1°C (34°F)	72 mm (2.9 inches)	86%	high
April Weather	8°C (47°F)	119 mm (4.7 inches)	84%	very high
May Weather	15°C (59°F)	85 mm (3.3 inches)	76%	very high
June Weather	20°C (68°F)	83 mm (3.3 inches)	72%	very high
July Weather	23°C (73°F)	114 mm (4.5 inches)	66%	very high
August Weather	22°C (71°F)	84 mm (3.3 inches)	64%	very high
September Weather	18°C (64°F)	76 mm (3.0 inches)	72%	high
October Weather	11°C (53°F)	141 mm (5.6 inches)	81%	moderate
November Weather	3°C (38°F)	104 mm (4.1 inches)	87%	moderate
December Weather	-1°C (30°F)	94 mm (3.7 inches)	84%	low