Weather by month in Idaho

Idaho is a region in the United States of America. Many people wonder what the weather conditions are in Idaho over the year. What is the best time to visit Idaho?

This page shows the average weather conditions by month in Idaho over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

In January the weather in Idaho is generally poor. January is a winter month. The temperatures range from very low in Driggs with -2°C to low in Lewiston with 6°C. On average, this month is one of the coldest months of the year in Idaho. So be prepared and make sure to dress up warm.

Find more detailed climate information for Idaho in January here.

In February the weather in Idaho is generally unpleasant. February is a winter month. The temperatures range from very low in Driggs with -0°C to low in Lewiston with 9°C.

Find more detailed climate information for Idaho in February here.

In March the weather in Idaho is generally unpleasant. The temperatures range from low in Driggs with 5°C to moderate in Hagerman with 13°C.

Find more detailed climate information for Idaho in March here.

In April the weather in Idaho is generally tolerable. The temperatures range from low in Stanley with 8°C to moderate in Lewiston with 17°C.

Find more detailed climate information for Idaho in April here.

In May the weather in Idaho is generally perfect. The temperatures range from moderate in Stanley with 14°C to high in Hagerman with 23°C.

Find more detailed climate information for Idaho in May here.

In June the weather in Idaho is generally perfect. June is a summer month. The temperatures range from pleasant in Wallace with 20°C to high in Hagerman with 29°C.

Find more detailed climate information for Idaho in June here.

In July the weather in Idaho is generally pleasant. July is a summer month. The temperatures range from high in Wallace with 26°C to very high in Mountain Home with 35°C. On average, this month is one of the warmest months of the year in Idaho. So be prepared and make sure to dress lightly.

Find more detailed climate information for Idaho in July here.

In August the weather in Idaho is generally perfect. August is a summer month. The temperatures range from high in Wallace with 25°C to very high in Lewiston with 33°C. These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Idaho in August here.

In September the weather in Idaho is generally perfect. The temperatures range from pleasant in Wallace with 20°C to high in Hagerman with 28°C.

Find more detailed climate information for Idaho in September here.

In October the weather in Idaho is generally perfect. The temperatures range from low in Wallace with 11°C to pleasant in Hagerman with 19°C.

Find more detailed climate information for Idaho in October here.

In November the weather in Idaho is generally poor. The average maximum daytime temperatures are low and range from 4°C in Island Park to 10°C in Hagerman.

Find more detailed climate information for Idaho in November here.

In December the weather in Idaho is generally poor. December is a winter month. The temperatures range from very low in Stanley with -2°C to low in Lewiston with 5°C. It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for Idaho in December here.