Las Vegas, NV weather in May
Expect hot, dry weather in Las Vegas in May, with highs near 89°F and lows near 66°F. Rain falls on about 1 day.
- Normal high
- 89°F
- Normal low
- 66°F
- Wet days
- 1
- 0.07 in total
- Muggy days
- 0
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 83°F | 94°F |
| Normal low | 61°F | 71°F |
| Chance of a wet day | 4% | 3% |
| Sunrise / sunset | 5:47 am / 7:27 pm | 5:25 am / 7:51 pm |
| Daylight | 13.7 h | 14.4 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical May day
- 6 am68°Fdew point 32°F
- 9 am78°Fdew point 31°F
- Noon84°Fdew point 30°F
- 3 pm87°Fdew point 29°F
- 6 pm85°Fdew point 28°F
- 9 pm78°Fdew point 29°F
NOAA hourly normals (local standard time) from Las Vegas Mccarran Airport (7 mi away); average wind 10 mph; clear or few clouds in 54% of daytime hours, mostly cloudy or overcast in 26%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F6 of 31
- Hot dayshigh 90°F or more16 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow1 of 31
- Notable rainat least 0.10 in0 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 0.07 in; a dry May brings about 0.0 in and a wet one about 0.07 in (25th and 75th percentiles). Days with half an inch or more are rare.
How May varies from year to year
- Warmest May, 1991-20202009: average high 95°F
- Coolest May1998: average high 82°F
- Wettest May2019: 0.8 in
- Driest May1997: no measurable precipitation
- Highest reading109°F (May 28, 2003)
- Lowest reading45°F (May 14, 1998)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 79°F | 89°F | 99°F |
| Normal low | 57°F | 66°F | 76°F |
| Wet days | 2 | 1 | 0 |
| Comfortable days | 15 | 6 | 1 |
| Daylight | 13.1 h | 14.1 h | 14.6 h |
Highs change by +10°F from April and +10°F into June.
Nearby alternatives in May
- Warmer: Furnace Creek, CA98 mi · high 101°F · 1 wet day
- Cooler: Springdale, UT138 mi · high 84°F · 5 wet days
How Las Vegas ranks in May
- Normal high21st warmest of 378 cities; 1st of 3 in Nevada
- Wet days12th driest of 378
- Comfortable days246th most of 339
What to pack for Las Vegas in May
- Light, breathable clothing – highs near 89°F
- Sunglasses and sunscreen – about 14.1 hours of daylight and highs near 89°F
Heating and cooling
May has 8 heating degree days and 390 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.
Questions
How hot is Las Vegas in May?
The normal high is 89°F and the normal low is 66°F. From 1991 to 2020 the hottest May reading was 109°F (May 28, 2003).
Does it rain a lot in Las Vegas in May?
About 1 days in May have at least 0.01 in of precipitation, and the normal total is 0.07 in. The wettest May in 1991-2020 was in 2019 (0.8 in); the driest was in 1997, with no measurable precipitation.
Is May a good time to visit Las Vegas?
May ranks 6th of 12 months on our comfort score for Las Vegas (55 out of 100). It has about 6 comfortable days and about 16 days at 90°F or hotter. The best month is March.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Las Vegas Mccarran Airport (USW00023169), 7.3 mi SSW of the city center, 2,131 ft (135 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Mccarran International Airport (723860-23169), 7.3 mi SSW of the city center, 2,175 ft (179 ft higher than the city). Hourly observations, 1991-2020.