Las Vegas Weather in May
Average highs run from 70°F on May 1 to 81°F on May 31, and lows from 32°F to 40°F. Normal precipitation for the month is 1.49 in over about 4 wet days.
May day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 75°F
- Average low
- 36°F
- Precipitation
- 1.49 in
- Record high
- 95°FMay 30, 2000
- Record low
- 17°FMay 1, 1976
- Chance of a freeze
- 98%
- Days of 90°F or more
- 0.5
- Daylight
- 13 h 39 min to 14 h 24 min
- Cloud cover
- 45%
- Humidity
- 37%
- Dew point
- 30°F
- Wind
- 11.2 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| May 1 | 70°F | 32°F | 83°F 1992 | 17°F 1976 | 10% | |
| May 2 | 70°F | 32°F | 84°F 1943 | 18°F 1967 | 10% | |
| May 3 | 70°F | 32°F | 81°F 2020 | 20°F 2008 | 10% | |
| May 4 | 71°F | 33°F | 83°F 2012 | 24°F 1953 | 10% | |
| May 5 | 71°F | 33°F | 84°F 2000 | 27°F 1944 | 10% | |
| May 6 | 71°F | 33°F | 84°F 2000 | 25°F 1999 | 11% | |
| May 7 | 72°F | 33°F | 85°F 2009 | 27°F 1982 | 11% | |
| May 8 | 72°F | 34°F | 86°F 1989 | 22°F 1984 | 11% | |
| May 9 | 72°F | 34°F | 84°F 2018 | 28°F 1965 | 11% | |
| May 10 | 73°F | 34°F | 87°F 2018 | 25°F 1979 | 11% | |
| May 11 | 73°F | 34°F | 85°F 1962 | 26°F 1953 | 12% | |
| May 12 | 73°F | 35°F | 87°F 1984 | 26°F 2014 | 12% | |
| May 13 | 74°F | 35°F | 87°F 1984 | 25°F 1998 | 12% | |
| May 14 | 74°F | 35°F | 85°F 1978 | 22°F 2014 | 13% | |
| May 15 | 74°F | 35°F | 87°F 1978 | 27°F 1967 | 13% | |
| May 16 | 75°F | 36°F | 87°F 1996 | 32°F 1957 | 13% | |
| May 17 | 75°F | 36°F | 89°F 1996 | 30°F 1968 | 13% | |
| May 18 | 76°F | 36°F | 87°F 2020 | 28°F 1983 | 14% | |
| May 19 | 76°F | 36°F | 90°F 1996 | 23°F 1971 | 14% | |
| May 20 | 76°F | 37°F | 89°F 1996 | 27°F 1960 | 14% | |
| May 21 | 77°F | 37°F | 89°F 2005 | 29°F 2001 | 14% | |
| May 22 | 77°F | 37°F | 86°F 2005 | 29°F 2001 | 15% | |
| May 23 | 78°F | 38°F | 89°F 1989 | 32°F 1988 | 15% | 0% |
| May 24 | 78°F | 38°F | 91°F 2000 | 30°F 1971 | 15% | 0% |
| May 25 | 79°F | 38°F | 93°F 2000 | 30°F 2002 | 15% | 0% |
| May 26 | 79°F | 39°F | 86°F 1953 | 33°F 2020 | 15% | 0% |
| May 27 | 79°F | 39°F | 88°F 1974 | 36°F 1973 | 15% | 0% |
| May 28 | 80°F | 39°F | 87°F 1951 | 31°F 1973 | 15% | 0% |
| May 29 | 80°F | 40°F | 91°F 2000 | 34°F 1973 | 15% | 0% |
| May 30 | 81°F | 40°F | 95°F 2000 | 32°F 1975 | 15% | 0% |
| May 31 | 81°F | 40°F | 93°F 2000 | 30°F 1964 | 15% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 6:09 AM, sunset 7:48 PM
- May 31
- sunrise 5:47 AM, sunset 8:11 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00294862 (Las Vegas Wwtp), public domain. Records: NOAA GHCN-Daily, station USW00023054, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.