January Weather in Milltown, United States

Last updated: June 24, 2025

In January, the average temperature in Milltown, United States hovers around -9°C (15°F). Expect extreme variations, with minimums plunging to -34°C (-28°F) and occasional highs reaching 7°C (45°F). Precipitation totals 24 mm (0.9 in) over approximately 6 days, while humidity remains high at an average of 87%.

January Temperature in Milltown

In January in Milltown, the average temperature is -9°C (15°F), with maximums reaching 7°C (45°F) and minimums dropping as low as -34°C (-28°F). Travelers should prepare for extreme cold conditions and dress warmly when visiting during this time.

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

The chart illustrates January temperature patterns in Milltown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Milltown, January typically has an average temperature of -9°C (15°F), with highs reaching up to 7°C (45°F) and lows dropping to around -34°C (-28°F).

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

January Precipitation in Milltown

In Milltown in January, the total precipitation amount is 24 mm (0.9 in) over a span of 6 days.

January Precipitation Trends in Milltown

The chart displays monthly precipitation patterns in Milltown, 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 Milltown, January typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 6 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 Milltown

In Milltown in January, humidity is 87%. With an average temperature of -9°C (15°F), this humidity feels like a biting chill that cuts through layers of clothing, making travel uncomfortable and requiring extra preparation to stay warm and dry.

January Average Humidity in Milltown

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

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

Maximum UV Index Levels in Milltown for January

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

Data source: Milltown 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 Milltown Compares to Other Months

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

This table compares monthly weather conditions in Milltown, 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 (15°F)	24 mm (0.9 inches)	87%	low
February Weather	-9°C (16°F)	35 mm (1.4 inches)	90%	moderate
March Weather	0°C (32°F)	51 mm (2.0 inches)	85%	moderate
April Weather	6°C (42°F)	91 mm (3.6 inches)	84%	high
May Weather	14°C (58°F)	121 mm (4.8 inches)	78%	very high
June Weather	21°C (70°F)	99 mm (3.9 inches)	80%	very high
July Weather	23°C (73°F)	100 mm (3.9 inches)	81%	very high
August Weather	21°C (69°F)	126 mm (5.0 inches)	81%	very high
September Weather	17°C (63°F)	102 mm (4.0 inches)	81%	high
October Weather	8°C (47°F)	100 mm (4.0 inches)	84%	moderate
November Weather	0°C (32°F)	41 mm (1.6 inches)	88%	moderate
December Weather	-6°C (22°F)	56 mm (2.2 inches)	84%	low