January Weather in Frederick, United States

Last updated: June 24, 2025

Experience the average temperature in Frederick, United States during January at a chilly 5°C (41°F). Be prepared for extremes, as temperatures can plummet to a frigid -16°C (4°F) or climb to a pleasant 26°C (80°F). Expect 35 mm (1.4 in) of precipitation spread over 4 days, with an average humidity of 76%. Whether you're bundling up or enjoying the milder days, this month brings a unique charm to the region!

January Temperature in Frederick

In January in Frederick, the average temperature is 5°C (41°F). Maximum temperatures can reach 26°C (80°F), while minimum temperatures can drop as low as -16°C (4°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates January temperature patterns in Frederick, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Frederick, January typically has an average temperature of 5°C (41°F), with highs reaching up to 26°C (80°F) and lows dropping to around -16°C (4°F).

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

January Precipitation in Frederick

In Frederick in January, the precipitation amount is 35 mm (1.4 in) over a span of 4 days.

January Precipitation Trends in Frederick

The chart displays monthly precipitation patterns in Frederick, 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 Frederick, January typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 4 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 Frederick

In Frederick in January humidity is 76%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and prompting travelers to seek shelter or warm layers.

January Average Humidity in Frederick

This chart illustrates the average monthly humidity levels in Frederick, 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 Frederick is approximately 76%, 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 Frederick

In Frederick 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 Frederick for better planning.

Maximum UV Index Levels in Frederick for January

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

Data source: Frederick 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 Frederick Compares to Other Months

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

This table compares monthly weather conditions in Frederick, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	35 mm (1.4 inches)	76%	moderate
February Weather	6°C (43°F)	30 mm (1.2 inches)	76%	high
March Weather	13°C (56°F)	69 mm (2.7 inches)	70%	very high
April Weather	17°C (62°F)	98 mm (3.9 inches)	72%	very high
May Weather	22°C (72°F)	115 mm (4.5 inches)	82%	extreme
June Weather	27°C (81°F)	58 mm (2.3 inches)	82%	extreme
July Weather	29°C (85°F)	28 mm (1.1 inches)	80%	extreme
August Weather	29°C (84°F)	37 mm (1.5 inches)	72%	extreme
September Weather	25°C (77°F)	86 mm (3.4 inches)	64%	very high
October Weather	18°C (64°F)	69 mm (2.7 inches)	71%	very high
November Weather	11°C (52°F)	22 mm (0.9 inches)	81%	moderate
December Weather	8°C (46°F)	29 mm (1.1 inches)	84%	moderate