January Weather in Somerset, United States

Last updated: June 24, 2025

In January, the average temperature in Somerset, United States hovers around -9°C (17°F), with extremes ranging from a chilling -34°C (-28°F) to a milder 7°C (45°F). During this month, you can expect 29 mm (1.1 in) of precipitation over 5 days, contributing to an overall average humidity of 87%.

January Temperature in Somerset

In January in Somerset, the average temperature is -9°C (17°F). The maximum can reach 7°C (45°F) and the minimum can be as low as -34°C (-28°F). Therefore, travelers should prepare for extreme cold and dress warmly to enjoy their visit.

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

The chart illustrates January temperature patterns in Somerset, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Somerset, January typically has an average temperature of -9°C (17°F), with highs reaching up to 7°C (45°F) and lows dropping to around -34°C (-28°F).

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

January Precipitation in Somerset

In Somerset in January, the total precipitation amount is 29 mm (1.1 in) recorded over a span of 5 days.

January Precipitation Trends in Somerset

The chart displays monthly precipitation patterns in Somerset, 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 Somerset, January typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Somerset

In Somerset in January humidity is 87%. With an average temperature of -9°C (17°F), this humidity feels like an icy blanket wrapping around you, making travel particularly challenging as the cold air combines with the moisture to create a biting chill that seeps into your bones.

January Average Humidity in Somerset

This chart illustrates the average monthly humidity levels in Somerset, 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 Somerset is approximately 87%, 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 Somerset

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

Maximum UV Index Levels in Somerset for January

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

Data source: Somerset 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 Somerset Compares to Other Months

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

This table compares monthly weather conditions in Somerset, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (17°F)	29 mm (1.1 inches)	87%	low
February Weather	-8°C (17°F)	38 mm (1.5 inches)	90%	moderate
March Weather	0°C (33°F)	56 mm (2.2 inches)	85%	moderate
April Weather	6°C (43°F)	87 mm (3.4 inches)	84%	high
May Weather	15°C (59°F)	134 mm (5.3 inches)	78%	very high
June Weather	21°C (71°F)	103 mm (4.1 inches)	80%	very high
July Weather	23°C (74°F)	104 mm (4.1 inches)	81%	very high
August Weather	21°C (70°F)	122 mm (4.8 inches)	81%	very high
September Weather	18°C (64°F)	110 mm (4.3 inches)	81%	high
October Weather	9°C (48°F)	102 mm (4.0 inches)	84%	moderate
November Weather	0°C (33°F)	39 mm (1.5 inches)	88%	moderate
December Weather	-5°C (23°F)	55 mm (2.2 inches)	84%	low