January Weather in Boomer, United States

Last updated: June 24, 2025

In Boomer, United States, the average temperature in January hovers around 2°C (36°F), making it quite a chilly time of year. Expect temperatures to fluctuate, with a minimum dipping to -18°C (1°F) and a maximum reaching 23°C (73°F). Rainy days are also common, with 101 mm (4.0 in) of precipitation expected over approximately 14 days. The average humidity is high at 88%, so be sure to bundle up and prepare for damp conditions!

January Temperature in Boomer

In January in Boomer, the average temperature is 2°C (36°F). Maximum temperatures can reach up to 23°C (73°F), while the minimum can drop as low as -18°C (1°F). Travelers should be prepared for a wide range of temperatures during this month, making layering clothing essential for comfort.

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

The chart illustrates January temperature patterns in Boomer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boomer, January typically has an average temperature of 2°C (36°F), with highs reaching up to 23°C (73°F) and lows dropping to around -18°C (1°F).

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

January Precipitation in Boomer

In Boomer in January, the precipitation amount is 101 mm (4.0 in) over the course of 14 days.

January Precipitation Trends in Boomer

The chart displays monthly precipitation patterns in Boomer, 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 Boomer, January typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 14 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 Boomer

In Boomer in January, humidity is 88%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making traveling uncomfortable and energy-draining as every step through the chill seems heavier in the thick air.

January Average Humidity in Boomer

This chart illustrates the average monthly humidity levels in Boomer, 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 Boomer is approximately 88%, 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 Boomer

In Boomer 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 Boomer, you can check the information here.

Maximum UV Index Levels in Boomer for January

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

Data source: Boomer 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 Boomer Compares to Other Months

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

This table compares monthly weather conditions in Boomer, 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 (36°F)	101 mm (4.0 inches)	88%	moderate
February Weather	5°C (41°F)	162 mm (6.4 inches)	88%	moderate
March Weather	8°C (47°F)	127 mm (5.0 inches)	88%	high
April Weather	13°C (55°F)	137 mm (5.4 inches)	86%	very high
May Weather	18°C (65°F)	164 mm (6.5 inches)	82%	very high
June Weather	21°C (71°F)	152 mm (6.0 inches)	84%	very high
July Weather	24°C (75°F)	124 mm (4.9 inches)	82%	very high
August Weather	23°C (73°F)	119 mm (4.7 inches)	73%	very high
September Weather	20°C (69°F)	102 mm (4.0 inches)	73%	very high
October Weather	15°C (60°F)	119 mm (4.7 inches)	81%	high
November Weather	7°C (45°F)	82 mm (3.2 inches)	89%	moderate
December Weather	5°C (41°F)	126 mm (4.9 inches)	86%	moderate