The highest day temperature in July 2025 was 93°F. The lowest night temperature was 59°F. The average values for day and night temperatures during July were 81.8°F и 66.7°F respectivly.

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

Precipitation total in July for Flagstaff is 2.0 in. It makes july one of the most rainy months of the year.

The average wind speed in July is 5.8 mph. It makes July one of the most windless 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 July is 10.0 hours.