Climate of Idaho
The state Idaho has a continental climate. In the summer it is warm and dry, and in the winter it is cold and wet. The average annual temperature for Idaho is 7° degrees and there is about 431 mm of rain in a year. It is dry for 162 days a year with an average humidity of 73% and an UV-index of 3.
Climate averages for the whole year
- Day: the average daily temperature during the day is between -5°C and 22°C
- Night:the average nighttime temperature is between -15°C and 6°C
- Rain: it rains 94 days and there is a total of approximately 431 mm rainfall
- Snow: it snows an average of 127 days per year
- Sun hours: throughout the year there are 2804 sun hours
Maximum temperature: | between -5°C and 22°C |
Warmest month: | 22°C in July |
Coldest month: | -5°C in December |
Night temperature: | between -15°C and 6°C |
Dry days: | 144 days |
Days with rain: | 94 days |
Days with snow: | 127 days |
Total rain sum: | 431 mm |
Hours of sunshine: | 2804 hours |
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Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Idaho.
Precipitation graph
This graph shows the average amount of rainfall per month for Idaho.
Climate table of Idaho
In this climate table you can see at a glance what the average weather per month is for Idaho. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Idaho might be like in a given month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Day temp. (°C) | -3 | -4 | -1 | 2 | 9 | 15 | 22 | 21 | 17 | 8 | 0 | -5 |
Night temp. (°C) | -15 | -14 | -11 | -9 | -3 | 2 | 6 | 6 | 3 | -3 | -10 | -15 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Precipitation (mm) | 35 | 46 | 52 | 39 | 42 | 39 | 15 | 17 | 25 | 33 | 36 | 52 |
Days with rain | 3 | 4 | 7 | 9 | 15 | 12 | 7 | 8 | 9 | 10 | 6 | 4 |
Days with snow | 16 | 20 | 21 | 18 | 7 | 2 | - | - | 1 | 7 | 15 | 20 |
Dry days | 12 | 4 | 3 | 3 | 9 | 16 | 24 | 23 | 20 | 14 | 9 | 7 |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Sun hours per day | 4 | 5 | 5 | 7 | 10 | 11 | 12 | 12 | 9 | 7 | 5 | 4 |
Wind force (Bft) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
UV-index | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 4 | 3 | 2 | 2 | 2 |
Best time to visit Idaho
The best time to visit Idaho in the United States is in July and August. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in the state of Idaho is 22°C in July and the lowest is-5°C in December.
Climate of Idaho by month
What is the average climate in a given month for Idaho? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.
Idaho weather experiences
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