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Boise City Weather in August

During August, Boise City experiences very high daytime temperatures of 33°C (91°F) and cooler nights around 17°C (63°F). Expect quite a bit of rainfall. Around 79 mm (3.1 in) is typical.

Rainfall in Boise City in August

Climate statistics over the past 30 years suggest around 10 days of rain, with 79 mm (3.1 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Boise City in August

Expect highs of 33°C (91°F) in Boise City in August, with nights dropping to around 17°C (63°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 17°C (63°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Should you favor a climate that's both dry and comfortably warm, March, April, May, September and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Boise City's climate page.

Boise City Temperature in August

Min TemperatureMin Temperature 17°C (63°F)  
Max TemperatureMax Temperature 33°C (91°F)  
Chance of RainChance of Rain 33%  
PrecipitationPrecipitation 79 mm (3.1 in)  
Rainy daysRainy days 10 days  
HumidityHumidity 58% *  
* Data from: Clayton, the United States of America (64 KM, 40 Miles).

Best Places in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Boise City in August

Warm but pleasant conditions in Boise City in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days.

What To Do in Boise City in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
7/10
Walking
7/10
Camping
8/10
Outdoor sports
7/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United States of America, check out our Boise City's climate page.

More climate data for Boise City