Climate ▸Forecast ▸December ▸January ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Mountain Home (ID) Weather and Climate: A Comprehensive Guide

The temperature in Mountain Home can vary greatly throughout the year. The temperatures shift from very warm to cold. The area is known for its low rain/snowfall. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from very warm to chilly in Mountain Home. Average maximum daytime temperatures range from a very warm 35°C in July, the warmest time of the year, to a chilly 4°C during cooler months like January.

At night, temperatures typically drop to an average of around -5°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Mountain Home has a dry climate with very low precipitation, averaging 248 mm of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives moderate snow/rainfall, averaging 40 mm of precipitation, recorded across 15 snowy/rainy days. In contrast, the drier season, July brings less rainfall, with 3 mm over 2 rainy days. For more details, please visit our Mountain Home Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Mountain Home. While July receives considerable daily sunshine with up to 13.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.4 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Boise, the United States of America (67 KM, 41 Miles).

Daily hours of sunshine

Data from: Boise, the United States of America (67 KM, 41 Miles).

Forecast for Mountain Home (ID)

Mon   Dec 23
10°C | 2°C
NW 3 m/s
1.2 mm
partly cloudy and slight rain

partly cloudy and slight rain

Tue   Dec 24
10°C | 1°C
SE 9 m/s
4.2 mm
overcast and  chance of rain

overcast and chance of rain

Wed   Dec 25
7°C | -1°C
NW 6 m/s
partly cloudy and no rain

partly cloudy and no rain

The best time of year to visit Mountain Home in the United States of America

Other facts from our historical weather data:
  • When is summer in Mountain Home?
    The hottest season / summer takes place in June, July, August and September.
  • Does Mountain Home have a dry season?
    Yes, the months of February, June, July, August and September are very dry.
  • Which is the warmest month in Mountain Home?
    July has an average maximum temperature of 35°C and is the warmest month of the year.
  • Which is the coldest month in Mountain Home?
    The coldest month is January with an average maximum temperature of 4°C.
  • Which is the wettest month in Mountain Home?
    December tops the wettest month list with 40 mm of rainfall.
  • Which is the driest month in Mountain Home?
    July is the driest month with 3 mm of precipitation.
  • Which is the sunniest month in Mountain Home?
    July is the sunniest month with an average of 399 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.