Las Vegas Weather in May
May in Las Vegas brings very high temperatures, with daytime highs of 31°C (88°F) and nights around 18°C (64°F). Only 2.7 mm (0.1 in) of rainfall is typical, making it a largely dry month.
Rainfall in Las Vegas in May
Climate statistics over the past 30 years suggest around a single day of rain, with 2.7 mm (0.1 in) average for the month. On the rare occasion it rains this month, it usually amounts to very little.
Temperature in Las Vegas in May
May is a good time to be in Las Vegas. Days are excellent, reaching 31°C (88°F), with nights around 18°C (64°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With overnight lows of 18°C (64°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Las Vegas in May
The days are predominantly sunny, with an estimated total of around 386 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Las Vegas in May
Wind speeds average 5 m/s (10 knots) during May. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.If you prefer dry days with pleasant temperatures, February, March, April, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Las Vegas's climate page.
Las Vegas Temperature in May
Min Temperature
18°C (64°F)
Max Temperature
31°C (88°F)
Chance of Rain
3%
Precipitation
2.7 mm (0.1 in)
Rainy days
a single day
Humidity
22%
Windspeed
5 m/s (10 knots)
Sunshine
386 hours
Percentage Sunshine
89%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Las Vegas typically rise from around 29°C (84°F) at the start of May to approximately 34°C (93°F) by the end. Nights are pleasant, with lows typically ranging from 16°C (61°F) to 21°C (70°F).
Average temperatures in May
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 May
Historical weather for Las Vegas in May
Browse day-by-day weather records for Las Vegas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Las Vegas historical weather extremes in May
Based on weather observations in Las Vegas between 1976 and 2026, these are the recorded extremes during May.
- The warmest day in May was on May 28, 2003, with a maximum of 43°C (109°F).
- Las Vegas registered its coldest May night on May 10, 1977, with temperatures dropping to 7°C (45°F).
Best Places in the United States of America in May
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 May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Las Vegas in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Las Vegas in May
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 Las Vegas's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Las Vegas climate overview or explore weather in the United States of America.
