The highest day temperature in May 2023 was 76°F. The lowest night temperature was 32°F. The average values for day and night temperatures during May were 66.9°F и 46.0°F respectivly.

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

Precipitation total in May for Flagstaff is 0.6 in.

The average wind speed in May is 8.8 mph. It makes May one of the most windy months of the year for Flagstaff.

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 Flagstaff in May is 12.3 hours.