January Weather in Mountainhome, United States

Last updated: June 24, 2025

In January, the average temperature in Mountainhome, United States hovers around -2°C (28°F), with extremes ranging from a brisk -21°C (-6°F) to a mild 16°C (62°F). Expect about 73 mm (2.9 in) of precipitation spread over 8 days, contributing to an average humidity of 87%. Stay cozy!

January Temperature in Mountainhome

In January in Mountainhome, the average temperature is -2°C (28°F). Maximum temperatures can reach 16°C (62°F), while minimums can drop as low as -21°C (-6°F). Be prepared for a wide range of temperatures when traveling to Mountainhome this month.

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

The chart illustrates January temperature patterns in Mountainhome, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mountainhome, January typically has an average temperature of -2°C (28°F), with highs reaching up to 16°C (62°F) and lows dropping to around -21°C (-6°F).

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

January Precipitation in Mountainhome

In Mountainhome in January, the precipitation amount is 73 mm (2.9 in) over a span of 8 days.

January Precipitation Trends in Mountainhome

The chart displays monthly precipitation patterns in Mountainhome, 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 Mountainhome, January typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 8 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 Mountainhome

In Mountainhome in January, humidity is 87%. With an average temperature of -2°C (28°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less enjoyable and requiring extra layers to stay warm and comfortable while traveling.

January Average Humidity in Mountainhome

This chart illustrates the average monthly humidity levels in Mountainhome, 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 Mountainhome is approximately 87%, 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 Mountainhome

In Mountainhome 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 Mountainhome, you can check the information here.

Maximum UV Index Levels in Mountainhome for January

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

Data source: Mountainhome 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 Mountainhome Compares to Other Months

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

This table compares monthly weather conditions in Mountainhome, 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 (28°F)	73 mm (2.9 inches)	87%	moderate
February Weather	-1°C (31°F)	103 mm (4.1 inches)	85%	moderate
March Weather	2°C (37°F)	93 mm (3.7 inches)	85%	high
April Weather	9°C (48°F)	120 mm (4.7 inches)	83%	very high
May Weather	15°C (59°F)	144 mm (5.7 inches)	75%	very high
June Weather	19°C (67°F)	112 mm (4.4 inches)	73%	very high
July Weather	23°C (73°F)	152 mm (6.0 inches)	65%	very high
August Weather	21°C (71°F)	157 mm (6.2 inches)	62%	very high
September Weather	18°C (65°F)	121 mm (4.8 inches)	66%	very high
October Weather	12°C (55°F)	150 mm (5.9 inches)	79%	high
November Weather	4°C (40°F)	92 mm (3.6 inches)	87%	moderate
December Weather	0°C (33°F)	102 mm (4.0 inches)	85%	low