Temperature in Idaho in January

Daytime highs, nighttime lows and the warmest cities in Idaho, the United States of America this January.

Idaho, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in January ranging from -2°C (28°F) in Driggs to 6°C (43°F) in Lewiston. Nighttime temperatures generally drop to -1°C (30°F) in Lewiston and -13°C (9°F) in Driggs. January falls during the winter season. On average, it is one of the coldest months of the year.

What is the temperature of the different cities in Idaho, the United States of America in January?

Find the average daytime temperatures in January for the most popular destinations in Idaho on the map below. Click on a destination dot for more detailed information.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

For a detailed overview over the year and the best time to visit Idaho, check out our Idaho's climate page.

See also: Idaho weather by month.

Best Places to Visit in Idaho in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Idaho.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in January: blue is cold, red is hot.

See all January weather averages, cities and regions in Idaho

Idaho temperatures in January: frequently asked questions

How hot does it get in Idaho, the United States of America in January?

Daytime temperatures in Boise typically peak at 4°C (39°F) in January, putting it in the low range.

How cold does it get at night in Idaho, the United States of America in January?

Boise sees nighttime lows close to -5°C (23°F) in January.

What is the warmest city in January in Idaho, the United States of America?

Data insights from our comprehensive database indicate that Lewiston is the city with the highest warmth. Daytime peaks average near 6°C (43°F), while the nights are characterized by a low temperature close to -1°C (30°F).

What is the coldest city in January in Idaho, the United States of America?

Our database indicates that in January, Driggs is the city with the coolest temperatures in Idaho, the United States of America. You can expect daytime highs of -2°C (28°F) and nighttime lows close to -13°C (9°F).

How much sun does Idaho, the United States of America get in January?

Most cities enjoy a balanced amount of sunshine, with around 111 hours of sunlight anticipated in Boise. This ensures the days are neither too dim nor excessively sunny.

Interested in more climate information?

We have much more information about the climate in Idaho.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

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

Yellowstone National Park is the crown jewel of America's nature parks

Nature in Yellowstone is overwhelmingly beautiful. It is the largest National Park in America, the oldest national park in the world and one of the most beautiful.
The 10 most alternative cities in the United States

Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes

A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States

Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.
Must visit in the United States of America →