Idaho weather in August
Thinking about venturing to Idaho this August 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 August?
Idaho is a region in the United States of America. August in Idaho generally has temperatures that range from warm to very warm, with precipitation levels ranging from almost none to moderate. August falls during the summer season.
Based on our climate data spanning from 1990-2020, the average maximum temperature is warm in Wallace at 25°C to very warm in Lewiston at 33°C. Nighttime temperatures generally drop to 16°C in Lewiston and 10°C in Wallace. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.
In August, precipitation varies across different areas. From almost no rainfall in Mountain Home with an average of 3.7 mm to moderate rainfall in Victor with 37 mm. Looking at the climate data spanning the last 30 years, this month usually has the lowest rainfall in Boise, marking it as the year's driest month. The city Boise usually sees around 358 hours of sunlight, indicating many sunny days.
For a closer look at August's conditions in Idaho, see the map below. For a more detailed look at Idaho's yearly weather, check out our Idaho climate page.
Where to go in Idaho in August
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Popular destinations in Idaho
What is the weather like in August for the 5 most popular destinations in Idaho?
Average weather in Boise
In August Boise generally has very high temperatures with maximum daytime temperatures around 32°C, minimum nighttime temperatures around 14°C and low monthly rainfall. So on average the conditions are perfect that month.
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Average weather in Coeur d'Alene
In August Coeur d'Alene generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 12°C and low monthly rainfall. So on average the conditions are perfect that month.
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Average weather in Idaho Falls
In August Idaho Falls generally has high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 10°C and low monthly rainfall. So on average the conditions are perfect that month.
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Average weather in Ketchum
In August Ketchum generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 8°C and low monthly rainfall. So on average the conditions are perfect that month.
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Average weather in Pocatello
In August Pocatello generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 13°C and low monthly rainfall. So on average the conditions are perfect that month.
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Is your destination not in the list? Have a look at other destinations in Idaho, in the United States of America.
Is August the best time to visit Idaho?
We consider August to be one of the best times to travel to Idaho. Typically, the climate in Boise is perfect.
Generally speaking, May, June, August, September and October provide perfect weather in Boise. On the other hand, the weather in January, November and December tend to be poor.
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.
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 climate conditions. Find out where to go with our weather planner.