Mountain Home (ID) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Mountain Home.
Climate overview of Mountain Home
Mountain Home, Idaho, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 35°C (95°F) in July, while winters cool to 4°C (39°F) in January.
Rain/snowfall is extremely rare, with only 248 mm (9.8 in) falling across the entire year. The sunniest month is July, with 13.3 hours of sunshine per day on average.
Mountain Home Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mountain Home — and find the best time to visit.
Monthly Temperature in Mountain Home
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 (95°F) in July, the warmest time of the year, to a chilly 4°C (39°F) during cooler months like January.
At night, you can expect temperatures ranging from 15°C (59°F) in July to around -5°C (23°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Mountain Home
Mountain Home has a dry climate with very low precipitation, averaging 248 mm (9.8 in) of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives moderate snow/rainfall, averaging 40 mm (1.6 in) of precipitation, recorded across 15 snowy/rainy days. In contrast, the driest month July brings less rainfall, with 3 mm (0.1 in) 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 Hours in Mountain Home
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
Daily hours of sunshine
Humidity in Mountain Home by Month
The relative humidity is moderate throughout the year in Mountain Home.
The city experiences its highest humidity in January, reaching 75%. In July, the humidity drops to its lowest level at 36%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Mountain Home
Rainfall during this time ranges from 14 mm (0.6 in) in September to 25 mm (1 in) in October. This means you can expect a mix of sunny days and occasional showers. Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
Frequently asked questions about the climate in Mountain Home
What is the best time to visit Mountain Home?
May, June, September and October typically offer the most optimal weather in Mountain Home. In contrast, January, July and December tend to have less optimal conditions. Mountain Home has a distinct dry season from January to December.
What temperatures can I expect in Mountain Home?
Daytime highs range from 4°C (39°F) in January to 35°C (95°F) in July. Nighttime lows range from -5°C (23°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Mountain Home get?
Annual rainfall is around 248 mm (9.8 in). December is the wettest month with 40 mm (1.6 in), while July is the driest with 3 mm (0.1 in). In the coldest months, precipitation may fall as snow/rain.
How sunny is Mountain Home?
Mountain Home receives around 2,983 hours of sunshine per year. July is the sunniest month with 399 hours, while December is the cloudiest with just 103 hours. Overall, Mountain Home enjoys abundant sunshine.
Mountain Home 3-Day Forecast
Mountain Home (ID) 3-Day Forecast
Mountain Home on the map
Mountain Home is highlighted — select any city to see its climate.
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