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Idaho United States of America
Weather in January
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Weather in January in Idaho

Thinking about venturing to Idaho this January and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Idaho in January?

Idaho is a region in the United States of America. January in Idaho generally has temperatures that range from very cold to cold, with precipitation levels ranging from low to high. In January, it is winter.

Temperatures

During the day temperatures vary from very cold in Driggs at -2°C to cold in Lewiston at 6°C. At night it cools down to -1°C in Lewiston and -13°C in Driggs. Typically, it's the chilliest month of the year. Making it a great time for staying indoors and enjoying the warmth. Make sure you're prepared by packing the right winter outfits.

Precipitation

In January, precipitation varies across different areas. From low snowfall in Salmon with an average of 11 mm to high snowfall in Wallace with 152 mm.

Average sunshine

Boise enjoys a balanced 111 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

For specific regional insights in Idaho for January, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Idaho climate page.

Where to go in Idaho in January

Find more information for the most popular destinations in the Idaho on the map below. Click on a destination dot for more detailes.

Weather conditions Weather
Temperatures
Precipitation
Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in January for the 5 most popular destinations in Idaho?

Boise

In January Boise generally has low temperatures with maximum daytime temperatures around 4°C, minimum nighttime temperatures around -5°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Boise
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
18°C 
4°C 
2,998 hours 
326 mm 
108 days 
poor 
January January
4°C 
-5°C 
111 hours 
34 mm 
11 days 
poor 
February   >> February
>>  
8°C 
-2°C 
150 hours 
25 mm 
9 days 
unpleasant 
Climate in Boise

Coeur d'Alene

In January Coeur d'Alene generally has low temperatures with maximum daytime temperatures around 3°C, minimum nighttime temperatures around -4°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Coeur d'Alene
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
15°C 
3°C 
2,578 hours 
676 mm 
145 days 
poor 
January January
3°C 
-4°C 
78 hours 
88 mm 
16 days 
poor 
February   >> February
>>  
5°C 
-3°C 
120 hours 
46 mm 
13 days 
poor 
Climate in Coeur d'Alene

Idaho Falls

In January Idaho Falls generally has very low temperatures with maximum daytime temperatures around -2°C, minimum nighttime temperatures around -11°C and low monthly snowfall. So on average the conditions are poor that month.

Idaho Falls
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly snowfall precipitationSnowfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
14°C 
0°C 
278 mm 
90 days 
poor 
January January
-2°C 
-11°C 
22 mm 
9 days 
poor 
February   >> February
>>  
1°C 
-9°C 
14 mm 
7 days 
poor 
Climate in Idaho Falls

Ketchum

In January Ketchum generally has very low temperatures with maximum daytime temperatures around 1°C, minimum nighttime temperatures around -12°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Ketchum
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
13°C 
-2°C 
487 mm 
117 days 
poor 
January January
1°C 
-12°C 
50 mm 
12 days 
poor 
February   >> February
>>  
3°C 
-10°C 
36 mm 
10 days 
poor 
Climate in Ketchum

Pocatello

In January Pocatello generally has very low temperatures with maximum daytime temperatures around 1°C, minimum nighttime temperatures around -8°C and low monthly snow/rainfall. So on average the conditions are poor that month.

Pocatello
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   Annual Annual
<<  
16°C 
2°C 
354 mm 
105 days 
poor 
January January
1°C 
-8°C 
28 mm 
11 days 
poor 
February   >> February
>>  
4°C 
-6°C 
20 mm 
9 days 
poor 
Climate in Pocatello

Is your destination not in the list? Have a look at other destinations in Idaho, in the United States of America.

Is January the best time to visit Idaho?

In our opinion, January may not be the ideal time to visit Idaho due to the typically poor weather in Boise.

On average, the best time to visit Idaho is in May, June, August, September and October with generally perfect weather in Boise. On the other hand, the months of January, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Idaho. Interested in the weather conditions in a specific month? Select the month below.

  • January      
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    • 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.