January Weather in Darby, United States

Last updated: June 24, 2025

In January, the average temperature in Darby, United States hovers around -7°C (20°F). Expect chilly nights with a minimum plunging to -28°C (-18°F), while daytime can warm up to a maximum of 5°C (41°F). Additionally, prepare for 62 mm (2.4 in) of precipitation spread over approximately 12 days, and embrace the damp atmosphere with an average humidity of 94%.

January Temperature in Darby

In January in Darby, the average temperature is -7°C (20°F). The maximum can reach 5°C (41°F) and the minimum can be as low as -28°C (-18°F). Be prepared for extremely cold weather and dress warmly if you plan to travel during this time.

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

The chart illustrates January temperature patterns in Darby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Darby, January typically has an average temperature of -7°C (20°F), with highs reaching up to 5°C (41°F) and lows dropping to around -28°C (-18°F).

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

January Precipitation in Darby

In Darby in January, the precipitation amount is 62 mm (2.4 in) spread over 12 days.

January Precipitation Trends in Darby

The chart displays monthly precipitation patterns in Darby, 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 Darby, January typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 12 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 Darby

In Darby in January, humidity is 94%. With an average temperature of -7°C (20°F), this humidity feels like stepping into a thick fog that clings to your skin, making travel uncomfortable and challenging as your breath mingles with the damp air, creating an almost surreal atmosphere.

January Average Humidity in Darby

This chart illustrates the average monthly humidity levels in Darby, 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 Darby is approximately 94%, 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 Darby

In Darby 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 Darby, you can check the information here.

Maximum UV Index Levels in Darby for January

The chart shows the monthly maximum UV Index (UVI) for Darby 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 Darby typically reaches 3, which falls under the moderate exposure category.

Data source: Darby 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 Darby Compares to Other Months

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

This table compares monthly weather conditions in Darby, 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)	62 mm (2.4 inches)	94%	moderate
February Weather	-6°C (21°F)	122 mm (4.8 inches)	93%	moderate
March Weather	-1°C (30°F)	82 mm (3.2 inches)	91%	high
April Weather	1°C (34°F)	82 mm (3.2 inches)	87%	very high
May Weather	6°C (43°F)	72 mm (2.8 inches)	83%	extreme
June Weather	12°C (54°F)	87 mm (3.4 inches)	80%	extreme
July Weather	18°C (64°F)	29 mm (1.1 inches)	75%	extreme
August Weather	17°C (62°F)	29 mm (1.1 inches)	66%	very high
September Weather	11°C (52°F)	45 mm (1.8 inches)	66%	very high
October Weather	2°C (37°F)	75 mm (3.0 inches)	77%	moderate
November Weather	-3°C (27°F)	74 mm (2.9 inches)	91%	moderate
December Weather	-7°C (19°F)	82 mm (3.2 inches)	96%	low