Boulder City Weather in August

August in Boulder City brings extremely high temperatures, with daytime highs of 39°C (102°F) and nights around 26°C (79°F). It's also the wettest month of the year, so an umbrella is a must.

Rainfall in Boulder City in August

Even though this is the month with the most rain, the precipitation is still on the lighter side. Historically, the month has about 4 days of rain, averaging 17 mm (0.7 in) in total. When rain does fall, showers tend to be light and brief. Most days will be dry.

Temperature in Boulder City in August

August in Boulder City sees highs of 39°C (102°F) and lows of 26°C (79°F) overnight. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With overnight lows of 26°C (79°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.

Sunshine in Boulder City in August

The month enjoys around 364 hours of sunshine, creating mostly sunny days with good weather conditions.

August in Boulder City can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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• January
• February
• March
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• May
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• December

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

Boulder City Temperature in August

Min Temperature 26°C (79°F)  

Max Temperature 39°C (102°F)  

Chance of Rain 13%  

Precipitation 17 mm (0.7 in)  

Rainy days 4 days  

Humidity 26% *  

Sunshine 364 hours *  

Percentage Sunshine 88% *  

* Data from: Las Vegas, the United States of America (32 KM, 20 Miles).

What to Wear in Boulder City in August

Pack for serious heat in Boulder City in August. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Dry conditions mean you won't need to worry about rain protection. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Boulder City in August

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

Swimming

10/10

Camping

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

More climate data for Boulder City

Temperature Rainfall Sunshine Humidity

See the full Boulder City climate overview or explore weather in the United States of America.