January Weather in Galena, United States

Last updated: June 24, 2025

In January, the average temperature in Galena, United States hovers around 2°C (37°F). Here, temperatures can dip as low as -18°C (0°F) or rise to a comfortable 22°C (71°F). Expect 86 mm (3.4 in) of precipitation spread over 8 days, and feel the moisture in the air with an average humidity of 81%. Stay prepared for a mix of chilly and mild weather!

January Temperature in Galena

In January in Galena, the average temperature is 2°C (37°F). Maximums can reach 22°C (71°F) and minimums can be as low as -18°C (0°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Galena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Galena, January typically has an average temperature of 2°C (37°F), with highs reaching up to 22°C (71°F) and lows dropping to around -18°C (0°F).

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

January Precipitation in Galena

In Galena in January, the precipitation amount reaches 86 mm (3.4 in) over the course of 8 days.

January Precipitation Trends in Galena

The chart displays monthly precipitation patterns in Galena, 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 Galena, January typically receives around 86 mm (3.4 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 Galena

In Galena in January, humidity is 81%. With an average temperature of 2°C (37°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and encouraging a cozy retreat indoors rather than adventurous exploration.

January Average Humidity in Galena

This chart illustrates the average monthly humidity levels in Galena, 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 Galena is approximately 81%, 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 Galena

In Galena 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 Galena, you can check the information here.

Maximum UV Index Levels in Galena for January

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

Data source: Galena 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 Galena Compares to Other Months

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

This table compares monthly weather conditions in Galena, 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 (37°F)	86 mm (3.4 inches)	81%	moderate
February Weather	4°C (39°F)	93 mm (3.6 inches)	78%	high
March Weather	10°C (50°F)	145 mm (5.7 inches)	76%	very high
April Weather	13°C (56°F)	167 mm (6.6 inches)	78%	very high
May Weather	19°C (67°F)	171 mm (6.7 inches)	83%	very high
June Weather	24°C (76°F)	87 mm (3.4 inches)	83%	extreme
July Weather	26°C (80°F)	81 mm (3.2 inches)	78%	extreme
August Weather	25°C (77°F)	125 mm (4.9 inches)	68%	very high
September Weather	23°C (74°F)	53 mm (2.1 inches)	64%	very high
October Weather	15°C (60°F)	142 mm (5.6 inches)	70%	high
November Weather	8°C (47°F)	68 mm (2.7 inches)	83%	moderate
December Weather	6°C (43°F)	64 mm (2.5 inches)	87%	moderate