January Weather in Blythewood, United States

Last updated: June 24, 2025

In Blythewood, United States, the average temperature in January hovers around 9°C (48°F). Expect chilly nights, with minimums dipping as low as -9°C (16°F), while daytime highs can reach a comfortable 26°C (79°F). During this month, you're likely to encounter 89 mm (3.5 in) of precipitation spread across 9 days and an average humidity level of 86%, adding a refreshing touch to the air. Enjoy the seasonal charm!

January Temperature in Blythewood

In January in Blythewood, the average temperature is 9°C (48°F). The maximum can reach 26°C (79°F), while the minimum can drop as low as -9°C (16°F). Be sure to pack layered clothing to stay comfortable during your travels.

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

The chart illustrates January temperature patterns in Blythewood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blythewood, January typically has an average temperature of 9°C (48°F), with highs reaching up to 26°C (79°F) and lows dropping to around -9°C (16°F).

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

January Precipitation in Blythewood

In Blythewood in January, the precipitation amount is 89 mm (3.5 in) during a span of 9 days.

January Precipitation Trends in Blythewood

The chart displays monthly precipitation patterns in Blythewood, 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 Blythewood, January typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Blythewood

In Blythewood in January, humidity is 86%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that wraps around you, making outdoor activities uncomfortable and travel less enjoyable.

January Average Humidity in Blythewood

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

In Blythewood 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 Blythewood for better planning.

Maximum UV Index Levels in Blythewood for January

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

Data source: Blythewood 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 Blythewood Compares to Other Months

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

This table compares monthly weather conditions in Blythewood, 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 (48°F)	89 mm (3.5 inches)	86%	moderate
February Weather	11°C (53°F)	113 mm (4.4 inches)	85%	high
March Weather	14°C (57°F)	80 mm (3.1 inches)	84%	very high
April Weather	18°C (64°F)	106 mm (4.2 inches)	82%	very high
May Weather	23°C (73°F)	106 mm (4.2 inches)	83%	very high
June Weather	26°C (78°F)	102 mm (4.0 inches)	82%	extreme
July Weather	27°C (81°F)	125 mm (4.9 inches)	80%	extreme
August Weather	27°C (80°F)	132 mm (5.2 inches)	74%	very high
September Weather	25°C (77°F)	101 mm (4.0 inches)	75%	very high
October Weather	20°C (68°F)	74 mm (2.9 inches)	79%	very high
November Weather	12°C (54°F)	75 mm (3.0 inches)	87%	high
December Weather	10°C (50°F)	132 mm (5.2 inches)	87%	moderate