City in Nevada, United States
Las Vegas weather by month and the best time to visit
When to go to Las Vegas
Mar–May and Oct–Nov are warm and comfortable. Jun–Sep reaches 40°C+ (105°F+). Dec–Feb is cool; big conventions and holiday weekends spike hotel prices.
Las Vegas weather by month
Average daily high, rainfall and conditions.
- Jan15°18 mm
- Feb17°23 mm
- Mar22°12 mm
- Apr27°8 mm
- May33°3 mm
- Jun40°1 mm
- Jul42°15 mm
- Aug40°15 mm
- Sep36°9 mm
- Oct28°13 mm
- Nov20°12 mm
- Dec14°18 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 15°C58°F | 2°C36°F | 18 mm | 46% | Cool |
| February | 17°C63°F | 4°C39°F | 23 mm | 43% | Cool |
| March | 22°C72°F | 8°C46°F | 12 mm | 37% | Pleasant |
| April | 27°C80°F | 11°C52°F | 8 mm | 29% | Pleasant |
| May | 33°C91°F | 17°C62°F | 3 mm | 22% | Hot |
| June | 40°C103°F | 22°C72°F | 1 mm | 14% | Very hot |
| July | 42°C107°F | 27°C80°F | 15 mm | 22% | Very hot |
| August | 40°C105°F | 26°C78°F | 15 mm | 24% | Very hot |
| September | 36°C97°F | 21°C70°F | 9 mm | 23% | Very hot |
| October | 28°C82°F | 14°C57°F | 13 mm | 28% | Pleasant |
| November | 20°C68°F | 7°C44°F | 12 mm | 35% | Pleasant |
| December | 14°C57°F | 2°C35°F | 18 mm | 46% | Cool |
Best months across United States
| Place | Best months | Warmest month |
|---|---|---|
| New York City | Apr–Jun, Sep–Oct | Jul (26°C) |
| Las Vegas | Mar–May, Oct–Nov | Jul (42°C) |
| Los Angeles | Mar–May, Sep–Nov | Aug (32°C) |
| Orlando | Feb–Apr, Nov | May (31°C) |
| Miami | Nov–Apr | Aug (30°C) |
| San Francisco | Apr–May, Sep–Oct | Sep (24°C) |
| Honolulu | Apr–Jun, Sep–Oct | Sep (28°C) |
| Washington, D.C. | Mar–May, Sep–Oct | Jul (31°C) |
| Chicago | May–Jun, Sep–Oct | Jul (25°C) |
| Boston | May–Jun, Sep–Oct | Jul (28°C) |
| New Orleans | Feb–Apr, Oct–Nov | Jul (30°C) |
| San Diego | Apr–May, Sep–Nov | Aug (32°C) |
| Seattle | Jun–Sep | Aug (24°C) |
| Maui | Apr–May, Sep–Oct | Sep (22°C) |
| Nashville | Apr–May, Sep–Oct | Aug (32°C) |
| Austin | Mar–May, Oct–Nov | Aug (36°C) |
| Miami Beach | Nov–Apr | Aug (30°C) |
| Key West | Dec–Apr | Aug (30°C) |
| Denver | May–Jun, Sep–Oct | Jul (33°C) |
| Philadelphia | Apr–May, Sep–Oct | Jul (30°C) |
| Portland | Jun–Sep | Aug (29°C) |
| Atlanta | Mar–May, Oct–Nov | Jul (32°C) |
| San Antonio | Mar–May, Oct–Nov | Aug (36°C) |
| Charleston | Mar–May, Oct–Nov | Jul (32°C) |
| Savannah | Mar–May, Oct–Nov | Jul (33°C) |
| Fort Lauderdale | Dec–Apr | Aug (30°C) |
| Kauai | Apr–Jun, Sep–Oct | Sep (27°C) |
| Big Island | Apr–Jun, Sep–Oct | Aug (26°C) |
| Sedona | Mar–May, Sep–Nov | Jul (35°C) |
| Scottsdale | Feb–Apr, Oct–Nov | Jul (42°C) |
Quick answers
What is the best month to visit Las Vegas?
Mar–May, Oct–Nov. Mar–May and Oct–Nov are warm and comfortable. Jun–Sep reaches 40°C+ (105°F+). Dec–Feb is cool; big conventions and holiday weekends spike hotel prices.
When is the rainy season in Las Vegas?
Rain peaks in February with about 23 mm. No month averages 150 mm or more.
What is the hottest month in Las Vegas?
July, with average highs of 42°C (107°F).
How cold does Las Vegas get?
The coolest nights are in December, averaging 2°C (35°F).
More about Las Vegas
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Sources
- NASA POWER climatology (2001–2020)
- RTC Southern Nevada (buses and fares)
- Harry Reid International Airport
- Las Vegas Monorail
- Las Vegas Convention and Visitors Authority
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 0.7°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.