The highest day temperature in May 2026 was 113°F. The lowest night temperature was 59°F. The average values for day and night temperatures during May were 97.4°F и 70.5°F respectivly.

Almost all days in May are sunny. There is very low probability of clouds or gloomy days.

Precipitation total in May for Las Vegas is 0.1 in. This value is relatively stable throughout the year.

The average wind speed in May is 8.3 mph. It makes May one of the most windy months of the year for Las Vegas.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Las Vegas in May is 12.8 hours.