January Weather in Mills River, United States

Last updated: June 24, 2025

In Mills River, United States, the average temperature in January hovers around 3°C (38°F). Expect a chilly minimum of -15°C (5°F), with a potential warm stretch peaking at 22°C (72°F). Precipitation is moderate, averaging 80 mm (3.2 in) spread across 9 days. The air remains quite humid, with an average humidity of 86%, making it a month to bundle up and stay cozy!

January Temperature in Mills River

In January in Mills River, the average temperature is 3°C (38°F). Maximums can reach 22°C (72°F) and minimums can be as low as -15°C (5°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

January Weather in Mills River: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Mills River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mills River, January typically has an average temperature of 3°C (38°F), with highs reaching up to 22°C (72°F) and lows dropping to around -15°C (5°F).

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

January Precipitation in Mills River

In Mills River in January, the total precipitation amount is 80 mm (3.2 in) over the course of 9 days.

January Precipitation Trends in Mills River

The chart displays monthly precipitation patterns in Mills River, 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 Mills River, January typically receives around 80 mm (3.2 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 Mills River

In Mills River in January humidity is 86%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps through your layers, making traveling uncomfortable as breath clouds visibly in the crisp air.

January Average Humidity in Mills River

This chart illustrates the average monthly humidity levels in Mills River, 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 Mills River is approximately 86%, 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 Mills River

In Mills River 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 Mills River for better planning.

Maximum UV Index Levels in Mills River for January

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

Data source: Mills River 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 Mills River Compares to Other Months

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

This table compares monthly weather conditions in Mills River, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	80 mm (3.2 inches)	86%	moderate
February Weather	6°C (44°F)	119 mm (4.7 inches)	86%	high
March Weather	9°C (48°F)	101 mm (4.0 inches)	86%	very high
April Weather	13°C (56°F)	119 mm (4.7 inches)	82%	extreme
May Weather	18°C (64°F)	117 mm (4.6 inches)	85%	extreme
June Weather	21°C (70°F)	89 mm (3.5 inches)	85%	extreme
July Weather	23°C (73°F)	93 mm (3.7 inches)	83%	extreme
August Weather	22°C (72°F)	126 mm (5.0 inches)	76%	very high
September Weather	20°C (68°F)	125 mm (4.9 inches)	76%	very high
October Weather	15°C (59°F)	139 mm (5.5 inches)	80%	very high
November Weather	7°C (46°F)	73 mm (2.9 inches)	88%	high
December Weather	5°C (41°F)	109 mm (4.3 inches)	88%	moderate