Lake Mead Weather in August
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.
Rainfall in Lake Mead in August
Typically around 4 days of rainfall are expected, averaging 14 mm (0.6 in) for the month. When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in Lake Mead in August
Daytime highs in Lake Mead in August reach 41°C (106°F), with nights around 26°C (79°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. At 26°C (79°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.
Sunshine in Lake Mead in August
Expect a lot of sunshine this month, with about 364 hours of sun. These sunny conditions add to the overall experience.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.
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 Lake Mead's climate page.
Lake Mead Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
41°C (106°F)
Chance of Rain
13%
Precipitation
14 mm (0.6 in)
Rainy days
4 days
Humidity
26% *
Sunshine
364 hours *
Percentage Sunshine
88% *
Daily Historical Temperatures
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).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Lake Mead in August
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.
Lake Mead historical weather extremes in August
According to our 49 years of weather records for Lake Mead, the following extremes were recorded between 1976 and 2025.
- The warmest day in August was on August 1, 1979, with a maximum of 46°C (115°F).
- The lowest overnight temperature recorded in August was 17°C (63°F) (August 13, 1988).
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
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tolerable
unpleasant
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What to Wear in Lake Mead in August
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.What To Do in Lake Mead in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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 Lake Mead's climate page.
Temperature Rainfall Sunshine Humidity
See the full Lake Mead climate overview or explore weather in the United States of America.
