January Weather in Dellwood, United States

Last updated: June 24, 2025

In January, the average temperature in Dellwood, United States hovers around -7°C (20°F). Temperatures can swing dramatically, with a minimum of -32°C (-26°F) and a maximum of 7°C (45°F). Expect about 39 mm (1.5 in) of precipitation spread over 7 days, and don't forget your layers—average humidity levels sit at a chilly 84%.

January Temperature in Dellwood

In January in Dellwood, the average temperature is -7°C (20°F). Maximum temperatures can reach 7°C (45°F), while minimum temperatures can plummet to as low as -32°C (-26°F). Travelers should prepare for extremely cold conditions and pack accordingly to stay warm and comfortable.

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

The chart illustrates January temperature patterns in Dellwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dellwood, January typically has an average temperature of -7°C (20°F), with highs reaching up to 7°C (45°F) and lows dropping to around -32°C (-26°F).

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

January Precipitation in Dellwood

In Dellwood in January, the precipitation amount is 39 mm (1.5 in) over the course of 7 days.

January Precipitation Trends in Dellwood

The chart displays monthly precipitation patterns in Dellwood, 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 Dellwood, January typically receives around 39 mm (1.5 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 Dellwood

In Dellwood in January, humidity is 84%. With an average temperature of -7°C (20°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to stay warm and dry.

January Average Humidity in Dellwood

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

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

Maximum UV Index Levels in Dellwood for January

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

Data source: Dellwood 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 Dellwood Compares to Other Months

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

This table compares monthly weather conditions in Dellwood, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	39 mm (1.5 inches)	84%	low
February Weather	-6°C (21°F)	51 mm (2.0 inches)	85%	moderate
March Weather	1°C (34°F)	58 mm (2.3 inches)	84%	moderate
April Weather	7°C (44°F)	87 mm (3.4 inches)	83%	very high
May Weather	15°C (59°F)	122 mm (4.8 inches)	75%	very high
June Weather	21°C (70°F)	113 mm (4.5 inches)	79%	very high
July Weather	23°C (74°F)	104 mm (4.1 inches)	75%	very high
August Weather	21°C (71°F)	108 mm (4.2 inches)	69%	very high
September Weather	18°C (64°F)	100 mm (3.9 inches)	74%	high
October Weather	10°C (50°F)	103 mm (4.0 inches)	79%	moderate
November Weather	2°C (35°F)	50 mm (2.0 inches)	88%	moderate
December Weather	-3°C (27°F)	46 mm (1.8 inches)	82%	low