Lake Mead
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Lake Mead Weather in July

July in Lake Mead brings extremely high temperatures, with daytime highs of 42°C (108°F) and nights around 28°C (82°F). Only 9.9 mm (0.4 in) of rainfall is typical, making it a largely dry month.

Rainfall in Lake Mead in July

The climate data from previous years indicates about 4 days of rain, averaging 9.9 mm (0.4 in) for the month. The occasional light shower is possible, but rain is rarely an issue this month.

Temperature in Lake Mead in July

Daytime temperatures in Lake Mead reach 42°C (108°F) in July, dropping to 28°C (82°F) at night. Mornings and evenings are often more comfortable than the peak afternoon hours. At 28°C (82°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. Remember, these are typical temperatures, and certain days could be even hotter. Ensure you wear appropriate clothing to handle the warmth.

Sunshine in Lake Mead in July

The days are predominantly sunny, with an estimated total of around 383 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If you're looking for dry conditions and comfortable temperatures, July may not be the ideal month to visit Lake Mead. Our weather planner can help you explore destinations with more pleasant weather conditions.

Lake Mead Temperature in July

Min Temperature
28°C (82°F)
Max Temperature
42°C (108°F)
Chance of Rain
13%
Precipitation
9.9 mm (0.4 in)
Rainy days
4 days
Humidity
21% *
Sunshine
383 hours *
Percentage Sunshine
88% *
* Data from: Las Vegas, the United States of America (72 KM, 44 Miles).

Lake Mead Weather by Month

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

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Lake Mead typically stay consistent throughout July, with daily highs averaging around 42°C (108°F). Nights are warm, with lows around 27°C (81°F).

Average temperatures in July

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 July

Historical weather records for Lake Mead in July

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 July

The extremes listed below come from historical weather data collected in Lake Mead from 1976 through 2026.

  • On July 7, 2024, temperatures climbed to 47°C (117°F), marking the warmest July day on record.
  • The lowest overnight temperature recorded in July was 16°C (61°F) (July 19, 1987).

Best Places in the United States of America in July

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 July →

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 Lake Mead in July

Hot weather in July 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Lake Mead in July

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

  • Swimming
    10/10
  • Camping
    9/10

Lake Mead 3-Day Forecast

Popular in July

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

Bucket list

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