January Weather in Millville, United States

Last updated: June 24, 2025

In January, the average temperature in Millville, United States hovers around 4°C (40°F). Expect chilly nights, with temperatures dipping as low as -12°C (11°F), while daytime highs can reach a comfortable 18°C (64°F). Be prepared for some rainy days, as precipitation averages 82 mm (3.2 in) over 8 days, all wrapped in a humidity level of 84%.

January Temperature in Millville

In January in Millville, the average temperature is 4°C (40°F), with maximums reaching up to 18°C (64°F) and minimums dipping as low as -12°C (11°F). This variation makes it essential for travelers to pack appropriately for unpredictable weather conditions.

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

The chart illustrates January temperature patterns in Millville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Millville, January typically has an average temperature of 4°C (40°F), with highs reaching up to 18°C (64°F) and lows dropping to around -12°C (11°F).

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

January Precipitation in Millville

In Millville in January, the total precipitation amount reached 82 mm (3.2 in) over the course of 8 days.

January Precipitation Trends in Millville

The chart displays monthly precipitation patterns in Millville, 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 Millville, January typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 8 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 Millville

In Millville in January, humidity is 84%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and requiring extra layers to stay warm and dry while traveling.

January Average Humidity in Millville

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

In Millville 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 Millville, you can check the information here.

Maximum UV Index Levels in Millville for January

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

Data source: Millville 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 Millville Compares to Other Months

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

This table compares monthly weather conditions in Millville, 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 (40°F)	82 mm (3.2 inches)	84%	moderate
February Weather	6°C (42°F)	114 mm (4.5 inches)	83%	moderate
March Weather	7°C (45°F)	102 mm (4.0 inches)	83%	high
April Weather	12°C (53°F)	87 mm (3.4 inches)	81%	very high
May Weather	16°C (62°F)	120 mm (4.7 inches)	78%	very high
June Weather	22°C (71°F)	82 mm (3.2 inches)	79%	very high
July Weather	25°C (78°F)	114 mm (4.5 inches)	74%	very high
August Weather	25°C (77°F)	111 mm (4.4 inches)	72%	very high
September Weather	23°C (73°F)	97 mm (3.8 inches)	75%	very high
October Weather	18°C (65°F)	137 mm (5.4 inches)	81%	high
November Weather	11°C (52°F)	95 mm (3.8 inches)	85%	moderate
December Weather	7°C (45°F)	116 mm (4.6 inches)	84%	moderate