January Weather in Mellen, United States

Last updated: August 27, 2025

In January, the average temperature in Mellen, United States hovers around -10°C (15°F), but can plummet to a chilling -30°C (-22°F) or reach a milder 7°C (45°F). Expect 31 mm (1.2 in) of precipitation over about 7 days, while the average humidity remains high at 93%, creating a crisp, frosty atmosphere throughout the month.

January Temperature in Mellen

In January in Mellen, the average temperature is -10°C (15°F). The maximum can reach 7°C (45°F), while the minimum can drop to as low as -30°C (-22°F). Be sure to pack warm clothing and plan indoor activities to stay comfortable while exploring.

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

The chart illustrates January temperature patterns in Mellen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mellen, January typically has an average temperature of -10°C (15°F), with highs reaching up to 7°C (45°F) and lows dropping to around -30°C (-22°F).

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

January Precipitation in Mellen

In Mellen in January, the precipitation amount is 31 mm (1.2 in) over the course of 7 days.

January Precipitation Trends in Mellen

The chart displays monthly precipitation patterns in Mellen, 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 Mellen, January typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 7 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 Mellen

In Mellen in January humidity is 93%. With an average temperature of -10°C (15°F), this humidity feels like an eerie chill that penetrates even the warmest clothing, making outdoor activities uncomfortable and travel quite challenging.

January Average Humidity in Mellen

This chart illustrates the average monthly humidity levels in Mellen, 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 Mellen is approximately 93%, 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 Mellen

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

Maximum UV Index Levels in Mellen for January

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

Data source: Mellen 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 Mellen Compares to Other Months

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

This table compares monthly weather conditions in Mellen, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (15°F)	31 mm (1.2 inches)	93%	low
February Weather	-10°C (15°F)	46 mm (1.8 inches)	93%	moderate
March Weather	-2°C (28°F)	52 mm (2.0 inches)	89%	moderate
April Weather	4°C (39°F)	94 mm (3.7 inches)	85%	high
May Weather	12°C (55°F)	98 mm (3.9 inches)	76%	very high
June Weather	18°C (66°F)	115 mm (4.5 inches)	71%	very high
July Weather	21°C (70°F)	95 mm (3.7 inches)	70%	very high
August Weather	19°C (66°F)	112 mm (4.4 inches)	71%	very high
September Weather	15°C (59°F)	98 mm (3.9 inches)	73%	high
October Weather	7°C (45°F)	100 mm (3.9 inches)	81%	moderate
November Weather	-1°C (30°F)	51 mm (2.0 inches)	87%	moderate
December Weather	-6°C (21°F)	68 mm (2.7 inches)	91%	low