Lake Mead Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Lake Mead.
Climate overview of Lake Mead
Temperatures in Lake Mead, United States of America, vary greatly throughout the year. July is the hottest month at 42°C (108°F), while December is the coldest at 14°C (57°F).
With just 130 mm (5.1 in) of annual rain/snowfall, the city has a dry, desert-like climate. Sunshine peaks in June, when the city sees around 13.7 hours of sunshine per day.
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.
Monthly Temperature in Lake Mead
The climate in Lake Mead is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a very hot 42°C (108°F) in July. In December, the coolest month of the year, temperatures drop to a moderate 14°C (57°F).
At night, temperatures range from around 28°C (82°F) in July to 3°C (37°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Lake Mead
Lake Mead is known for its low rain/snowfall, with yearly precipitation amounts around 130 mm (5.1 in). Lake Mead can be quite wet during December, receiving approximately 29 mm (1.1 in) of precipitation over 5 rainy days.
In contrast, during the driest month (June), you will experience much drier conditions, with 0.7 mm (0.03 in) of precipitation spread across a single rainy day. For more details, please visit our Lake Mead Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Lake Mead
Lake Mead can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 13.7 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 8.0 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Lake Mead by Month
The relative humidity is low throughout the year in Lake Mead.
The city experiences its highest humidity in December, reaching 45%. In June, the humidity drops to its lowest level at 17%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Lake Mead
Each month is rated for comfortable sightseeing weather — mild temperatures and low rainfall. Tap a month for its full averages; your ideal time may differ for a beach or winter trip (see below).
- Best overall: February, March, April, October and November
- Warmest weather: July and August
- Most sunshine: June
- Climate seasons: very little rainfall year-round, with very hot summers and mild winters
Frequently asked questions about the climate in Lake Mead
What is the best time to visit Lake Mead?
February, March, April, October and November typically offer the most optimal weather in Lake Mead. In contrast, June, July, August and September tend to have less optimal conditions. Lake Mead has very little rainfall year-round, with very hot summers and mild winters.
What temperatures can I expect in Lake Mead?
Daytime highs range from 14°C (57°F) in December to 42°C (108°F) in July. Nighttime lows range from 3°C (37°F) to 28°C (82°F). Temperatures vary considerably through the year.
How much rain does Lake Mead get?
Annual rainfall is around 130 mm (5.1 in). December is the wettest month with 29 mm (1.1 in), while June is the driest with 0.7 mm (0.03 in).
How sunny is Lake Mead?
Lake Mead receives around 3,838 hours of sunshine per year. June is the sunniest month with 411 hours, while January is the cloudiest with just 239 hours. Overall, Lake Mead enjoys abundant sunshine.
Lake Mead 3-Day Forecast
Lake Mead 3-Day Forecast
Lake Mead on the map
Lake Mead is highlighted - select any city to see its climate.
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