Boulder City
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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.

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).

Boulder City Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Boulder City - and find the best time to visit.

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 →

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 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

Boulder City 3-Day Forecast

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.