The highest day temperature in May 2024 was 85°F. The lowest night temperature was 38°F. The average values for day and night temperatures during May were 71.2°F и 55.5°F respectivly.

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation total in May for Grand Canyon is 0.9 in. It makes may one of the least rainy months of the year.

The average wind speed in May is 10.8 mph. It makes May one of the most windy months of the year for Grand Canyon.

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 Grand Canyon in May is 12.2 hours.