Normal weather for Idaho in January
It's cold in January in Idaho with an average temperature of -1°C. Temperatures this month range from a low of -8°C to a high of 1°C. At night, you can expect temperatures between -20°C and -9°C.
In January, there is an average of 130 mm of precipitation, spread over 15 days. Of the total precipitation, about 113 cm falls as snow in January. The wind speed is around 3 Bft, mostly coming from the Southeast.
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Idaho in January |
UK | ||
|---|---|---|---|
 Average Temperature |
-1°C | 8°C | |
 High Temp |
1°C | 9°C | |
| Low Temp |
-8°C | 6°C | |
 Total Precipitation |
130 mm | 58 mm | |
| Rainy Days |
15 days | 9 days | |
 Total Snowfall |
113 cm | 0,8 cm | |
| Snowy Days |
27 days | 1 day | |
The climate of Idaho is based on weather data from . Other spots, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Idaho for a full picture of the climate.
Start of January
The month of January starts in Idaho with very cold temperatures, averaging around -2°C during the day and nights close to -13°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-January
By mid-January, the average daytime temperature rises to around -1°C, with nights close to -13°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of January
By the end of January, the average daytime temperature in Idaho will be around -0°C, with nights close to -13°C. A shower might show up, but overall the weather will be dry and sunny.
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Is January a good time to visit Idaho?
After some sun? Then January isn’t the best time to be in Idaho. There’s too much chance of rain this month.
Temperature records for Idaho in January
With 9°C, Idaho hit the highest temperature in the last 10 years in January 2018. The lowest daytime temperature in this month was -20°C in 2017. The extreme night temperatures ranged from a low of -34°C to a high of 2°C.
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Daily Temperature in January in Idaho
This chart shows the average daily temperatures, both day and night, for each day in January in Idaho, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in January in Idaho
The chart below shows the average daily precipitation in January for Idaho, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for January, you can expect around 15 days of rain in Idaho.
Daily Snowfall in January in Idaho
This chart shows the average daily snowfall in January in Idaho, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in January.
Daily UV Index in January in Idaho
This chart shows the average daily UV index in January in Idaho, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in January in Idaho Over the Years
This chart shows the average temperature in January in Idaho, measured in degrees Celsius, over the past years.
Total Precipitation in January in Idaho Over the Years
This chart shows the average precipitation in January in Idaho, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in January in Idaho per year
This chart shows the average snowfall in January in Idaho, measured in centimetres, over the past years.
Daily climate in January for Idaho
Click on a specific day in January for detailed info on the typical weather on that day in Idaho. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in Idaho
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Average Weather in Idaho by Month
Click on a month below to see detailed weather info for Idaho. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
