January Weather in Frederick, United States

Last updated: June 24, 2025

In January, the average temperature in Frederick, United States hovers around 2°C (35°F). Be prepared for a range in temperatures, with a minimum dropping to -16°C (3°F) and a maximum soaring to 20°C (69°F). Expect about 61 mm (2.4 in) of precipitation spread over 8 days, contributing to an average humidity level of 86%.

January Temperature in Frederick

In January in Frederick, the average temperature is 2°C (35°F), with maximums reaching 20°C (69°F) and minimums dropping as low as -16°C (3°F). Be sure to pack layers, as temperatures can vary significantly throughout the day!

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 2°C (35°F), with highs reaching up to 20°C (69°F) and lows dropping to around -16°C (3°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 61 mm (2.4 in) distributed over 8 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 61 mm (2.4 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 Frederick

In Frederick in January humidity is 86%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that seeps into your bones, making traveling quite uncomfortable as your clothes cling to you and the cold air cuts through any warmth you try to find.

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 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 Frederick

In Frederick 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 Frederick, you can check the information here.

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 3, 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	2°C (35°F)	61 mm (2.4 inches)	86%	moderate
February Weather	4°C (39°F)	95 mm (3.7 inches)	86%	moderate
March Weather	7°C (44°F)	90 mm (3.6 inches)	86%	high
April Weather	13°C (55°F)	100 mm (3.9 inches)	84%	very high
May Weather	18°C (65°F)	134 mm (5.3 inches)	78%	very high
June Weather	23°C (73°F)	111 mm (4.4 inches)	79%	very high
July Weather	26°C (79°F)	138 mm (5.4 inches)	70%	very high
August Weather	24°C (76°F)	114 mm (4.5 inches)	59%	very high
September Weather	21°C (70°F)	107 mm (4.2 inches)	68%	very high
October Weather	16°C (60°F)	99 mm (3.9 inches)	80%	high
November Weather	7°C (45°F)	88 mm (3.5 inches)	86%	moderate
December Weather	4°C (39°F)	94 mm (3.7 inches)	85%	moderate