Lake Mead Climate and Average Weather
Climate of Lake Mead: average temperatures, rainfall and seasons month by month.
Climate in Lake Mead month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 60° | 45° | 0,4 in | ★★★★☆ |
| February | 66° | 51° | 1,2 in | ★★★★☆ |
| March | 76° | 57° | 0,7 in | ★★★★★ |
| April | 82° | 62° | 0,2 in | ★★★★★ |
| May | 92° | 71° | 0,1 in | ★★★★★ |
| June | 104° | 82° | 0,0 in | ★★★★☆ |
| July | 108° | 87° | 0,1 in | ★★★★☆ |
| August | 106° | 85° | 0,5 in | ★★★★☆ |
| September | 98° | 77° | 0,2 in | ★★★★☆ |
| October | 86° | 67° | 0,1 in | ★★★★★ |
| November | 69° | 54° | 0,6 in | ★★★★★ |
| December | 64° | 49° | 0,2 in | ★★★★☆ |
Climate type: Hot and arid. Source: Open-Meteo archive (ERA5).
Recent extremes in Lake Mead
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Lake Mead compares with nearby places
Annual averages, and the difference against Lake Mead.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Valley of Fire State Park | 24 mi | 73°F | 35°F cooler | 6 in |
| Las Vegas | 41 mi | 71°F | 36°F cooler | 5 in |
| Clark County | 41 mi | 71°F | 36°F cooler | 5 in |
| Area Code 702 | 41 mi | 71°F | 36°F cooler | 5 in |
| Harry Reid International Airport | 42 mi | 71°F | 36°F cooler | 6 in |
Best time to visit Lake Mead
Go in March, April, May, October and November. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: June, July and August - expect the least comfortable mix of heat, cold or rain.
What this means for Lake Mead
Today is slightly warmer than average for August. The forecast high of 109°F is 3.6°F above the 106°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 78°F.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- Avoid long hikes after mid-morning; start at dawn or leave it for a cooler day.
- If your dates are flexible, avoid June, July and August - historically the least comfortable months here.
Summary
Lake Mead is a lake in Nevada. Lake Mead is a lake known as the reservoir behind Hoover Dam.
Right now it is 90°F (32°C) in Lake Mead with clear. It feels like 89°F. Today runs from 80°F to 109°F. Chance of precipitation is 1%. Sightseeing conditions score 8.7/10 - excellent - go now.
The best time to visit Lake Mead is March, April, May, October and November. The climate is hot and arid. June, July and August tend to be the least comfortable months. July is the warmest month with average highs near 108°F, while January is the coldest with lows near 45°F.
The closest major airport is Harry Reid International Airport (LAS), about 42 mi away. Nearby highlights include Valley of Fire State Park, Las Vegas Strip, Havasu Falls and Zion National Park.
In plain terms. Today is slightly warmer than average for August. The forecast high of 109°F is 3.6°F above the 106°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. swimming is the strongest bet in Lake Mead today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Lake Mead
| Type | Lake |
|---|---|
| State | Nevada |
| Country | United States |
| Continent | North America |
| Coordinates | 36°8′40.9″N 114°24′9″W (36.1447, -114.4025) |
| Maximum depth | 531 ft |
| Known for | the reservoir behind Hoover Dam |
| Local time | 1:34 AM (UTC-07:00) |
| Best months | March, April, May, October and November |
| Climate | Hot and arid |
Weather map for Lake Mead
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Lake Mead
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Lake Mead?
Lake Mead is a lake in Nevada. Its coordinates are 36.1447, -114.4025. It lies in North America.
What is the weather like in Lake Mead right now?
It is currently 90°F (32°C) with clear. Humidity is 26% and wind is 3 mph.
When is the best time to visit Lake Mead?
March, April, May, October and November offer the most comfortable conditions in Lake Mead, which has a hot and arid climate. June, July and August are usually the hardest months for outdoor plans.
What time zone is Lake Mead in?
Lake Mead observes America/Phoenix (UTC-07:00). The local time is 1:34 AM.
What is the nearest airport to Lake Mead?
The closest airports are Harry Reid International Airport (LAS), 42 mi away, Phoenix Sky Harbor International Airport (PHX), 231 mi away and Los Angeles International Airport (LAX), 273 mi away.
What are the top things to do in Lake Mead?
Popular options include Valley of Fire State Park, Las Vegas Strip, Havasu Falls, Zion National Park, Grand Canyon (UNESCO World Heritage Site) and Grand Canyon National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (lakes) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 26, 2026 at 1:34 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
