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United StatesThe climate of Idaho
The current climate in Idaho features temperatures ranging from a high of 27°C to a low of -2°C throughout the year. The average yearly temperature is around 13°C. At night, temperatures in the colder months average around -14°C and in the warmer months around 5°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Idaho, United States.
Temperature records
The highest temperature recorded in Idaho in recent years was 37°C in July 2019. The lowest daytime temperature recorded was -20°C in January 2017.
Precipitation and snowfall
On average, Idaho gets 836 mm of precipitation each year. Of this, about 609 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
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.
Best time to visit Idaho?
The best time to visit Idaho for sunny weather is June through September. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Idaho. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of Idaho
The climate table of Idaho shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | -2 | 1 | 6 | 10 | 17 | 22 | 27 | 27 | 22 | 13 | 4 | -2 |
| Temp. min (°C) | -14 | -12 | -8 | -4 | 1 | 4 | 6 | 6 | 1 | -3 | -9 | -13 |
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| Precipitation (mm) | 130 | 79 | 56 | 39 | 40 | 32 | 33 | 30 | 47 | 77 | 103 | 170 |
| Snow (cm) | 112 | 70 | 75 | 29 | 7,9 | 3,2 | 0 | 0 | 5,6 | 37 | 94 | 175 |
| UV Index | 4 | 5 | 6 | 8 | 9 | 9 | 9 | 9 | 7 | 6 | 4 | 3 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
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Temperature charts
These charts display the average temperatures in Idaho, United States. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Idaho
Yearly Temperature in Idaho
Precipitation charts
These charts show the average amount of precipitation 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.
Average Precipitation per Month in Idaho
Total Yearly Precipitation in Idaho
Average Snowfall per Month in Idaho
Total Yearly Snowfall in Idaho
UV index chart
This chart shows the average UV index per month in Idaho, United States. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Idaho
Weather experiences 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.