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United StatesThe weather in December in Idaho
It's cold in December in Idaho with an average temperature of -2°C. Temperatures this month range from a low of -6°C to a high of 2°C. At night, you can expect temperatures between -19°C and -7°C.
Looking for sun? December isn’t a good month to be in Idaho. There’s too much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Idaho, United States. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 13°C in 2021, Idaho reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -18°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of -33°C to a highest value of 5°C.
Precipitation and snowfall
In December, there is an average of 170 mm of precipitation, spread over 20 days. Of the total precipitation, about 175 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in December for Idaho
Click on any day in December to get detailed info about the usual weather on that day in Idaho. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Idaho | New York | |
|---|---|---|
| Average temperature | -2°C | 9°C |
| Max. temperature | 2°C | 12°C |
| Min. temperature | -19°C | -5°C |
| Total precipitation | 170 mm | 133 mm |
| Rainy days | 20 days | 17 days |
| Total snowfall | 175 cm | 9,7 cm |
| Snowy days | 30 days | 3 days |
Start of December
The month of December starts in Idaho with really cold temps, averaging around -1°C during the day and nights dipping to about -13°C.
Mid December
By mid-December, daytime temps stay steady at around -1°C, with nights around -12°C. There’s a high chance of precipitation during this time.
End of December
By the end of December, the average daytime temperature in Idaho is around -4°C, while nighttime temps are about -15°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Idaho for all months and discover the best travel time
The climate in Idaho is based on weather data from . Other places, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Idaho to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in December in Idaho, United States. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Idaho
Temperature in December in Idaho over the years
Precipitation charts
These charts show the average amount of precipitation in December in Idaho, United States. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Idaho
Total precipitation in December in Idaho over the years
Daily Snowfall in December in Idaho
Snowfall in December in Idaho per year
Daily UV index in December in Idaho
This chart shows the average daily UV index in December 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.
Weather experiences in December in Idaho
Have you been to Idaho in December?
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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.