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

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).

Humidity in Mountain Home by Month

Best Time to Visit Mountain Home

During the months of May, June, September and October, Mountain Home enjoys pleasant weather with average temperatures ranging from 19°C (66°F) to 28°C (83°F). These months are perfect for sightseeing and exploring.

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.

Popular this month

Where to go in July — average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.