nomadseason

January Weather in Mountain Home, United States

Last updated: June 24, 2025

In January, the average temperature in Mountain Home, United States hovers around -1°C (31°F). Temperatures can dip as low as -21°C (-6°F), while highs can reach up to 11°C (53°F). Expect a moderate precipitation of 56 mm (2.2 in) spread over 10 days, contributing to an average humidity of 88%.

January Temperature in Mountain Home

In January in Mountain Home, the average temperature is -1°C (31°F). The maximum can reach 11°C (53°F), while the minimum can drop as low as -21°C (-6°F). Travelers should be prepared for a wide range of temperatures and dress accordingly to fully enjoy their visit.

January Weather in Mountain Home: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Mountain Home, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mountain Home, January typically has an average temperature of -1°C (31°F), with highs reaching up to 11°C (53°F) and lows dropping to around -21°C (-6°F).
JanFebMarAprMayJunJulAugSepOctNovDec313343495868797665504031
Data source: Temperature data for Mountain Home generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Mountain Home

In Mountain Home in January, the precipitation amount is 56 mm (2.2 in) over the course of 10 days.

January Precipitation Trends in Mountain Home

The chart displays monthly precipitation patterns in Mountain Home, 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 Mountain Home, January typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec56594339412231013274145
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Mountain Home

In Mountain Home in January, humidity is 88%. With an average temperature of -1°C (31°F), this humidity feels like a biting cold that penetrates your clothing, making outdoor exploration challenging and the air clingy, adding an extra chill that can make you feel even colder than the temperature suggests.

January Average Humidity in Mountain Home

This chart illustrates the average monthly humidity levels in Mountain Home, 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 Mountain Home is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%85%79%71%71%66%50%48%65%84%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Mountain Home

In Mountain Home 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 Mountain Home, you can check the information here.

Maximum UV Index Levels in Mountain Home for January

The chart shows the monthly maximum UV Index (UVI) for Mountain Home 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 Mountain Home typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578101111108642
Data source: Mountain Home 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 Mountain Home Compares to Other Months

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

This table compares monthly weather conditions in Mountain Home, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)56 mm (2.2 inches)88%moderate
February Weather1°C (34°F)59 mm (2.3 inches)89%moderate
March Weather6°C (43°F)43 mm (1.7 inches)85%high
April Weather9°C (49°F)38 mm (1.5 inches)79%very high
May Weather14°C (58°F)41 mm (1.6 inches)71%very high
June Weather20°C (68°F)22 mm (0.9 inches)71%extreme
July Weather26°C (79°F)3 mm (0.1 inches)66%extreme
August Weather24°C (76°F)10 mm (0.4 inches)50%very high
September Weather18°C (66°F)12 mm (0.5 inches)48%very high
October Weather10°C (50°F)27 mm (1.1 inches)65%high
November Weather4°C (40°F)41 mm (1.6 inches)84%moderate
December Weather-1°C (31°F)45 mm (1.8 inches)87%low

Compare Mountain Home's Climate with Cities Worldwide