Month-by-month travel weather

Las Vegas August weather

Las Vegas, United States · August

Plan for both outdoor heat and strong indoor A/C

August remains very hot. Midday outdoor comfort can be limited.

Thunderstorm chances can continue, and sudden downpours can briefly change plans.

August averages at a glance

Average low

around 24–27°C

Average high

around 39–42°C

Average precipitation

around 5–20 mm

Rainy days

about 1–3 days

What to wear in August in Las Vegas

Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.

  • Breathable clothing + sun protection helps.
  • Optional thin layer for indoors.
  • Optional umbrella/rain layer for storms.

Travel tips for visiting Las Vegas in August

  • Shift longer walks to morning/evening.
  • After storms, watch for slick pavement and pooling water.

August weather in Las Vegas — FAQ

Q. Is monsoon season still active?

A. It can be, but timing and intensity vary by year.

Q. Does it get humid?

A. Usually dry, but humidity can briefly rise around storms.

Explore Las Vegas

These pages are connected so you can compare conditions and decide for yourself.

Las Vegas August weather — averages & travel outfits | CityWeather | CityWeather