Tomorrow in Flagstaff looks
sunny, with a high of 52°
and an overnight low of 32°.
Rain is unlikely (7% chance).
Winds top out near 4 mph,
and the UV index reaches 4 (moderate).
Average conditions span from January lows near 23°F (-5°C) to July highs around 83°F (29°C). That 34°C (61°F) spread makes the time of year especially important.
Seasonal change
July highs reach 83°F (29°C), while January lows fall to 23°F (-5°C).
Typical day and night
Flagstaff averages 62°F (17°C) by day and 40°F (5°C) at night across the year.
Rain and sunshine
About 467 mm (18.4 inches) falls across 78 wet days, with 11.0 hours of sunshine on an average day.
July, averaging 83°F (29°C) by day and 60°F (16°C) overnight. The hottest single day in our 2015-2024 record for this location reached 96°F (36°C).
How sunny is Flagstaff?
11.0 hours a day averaged over the year, peaking in June at 13.7 hours.
Does it snow in Flagstaff?
Yes - about 23 days a year carry measurable snowfall, concentrated October through May.
What is the rainiest month in Flagstaff?
July, at 2.6 inches (66 mm) over about 12 days. June is the driest month, at 16 mm (0.6 in).
What is the best month to go to Flagstaff?
The best time to visit Flagstaff is generally April to June and September to October, when temperatures sit either side of the peak heat rather than in it. Daytime temperatures in that window sit near 70°F (21°C), with rain on about 5 days a month. For the same question asked the other way round, see where else is warm in April.
What is the coldest month in Flagstaff?
January, with highs of 40°F (5°C) and lows near 23°F (-5°C). The coldest day in the 2015-2024 record fell to -4°F (-20°C).
Is Flagstaff hot in summer?
July averages 83°F (29°C). Hot afternoons happen but extremes are not the norm.