Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Lake Mead in August sees extremely high daytime temperatures of 41°C (106°F) and nighttime lows of 26°C (79°F). With just 14 mm (0.6 in) of rainfall expected, it's a dry month overall.
August in Lake Mead has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Pick a month to see the average temperature, rainfall and sunshine in Lake Mead - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Lake Mead typically stay consistent throughout August, with daily highs averaging around 41°C (106°F). Nights are warm, with lows typically ranging from 25°C (77°F) to 27°C (81°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Lake Mead spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 50 years of weather records for Lake Mead, the following extremes were recorded between 1976 and 2026.
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 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).
Hot weather in August means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. With minimal rainfall expected, you can leave the rain gear at home. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Lake Mead climate overview or explore weather in the United States of America.
Where to go in August - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.