Flagstaff Weather Year-Round — Best Time to Visit
Flagstaff, United States has mild weather year-round. The best time to visit is June (score: 94/100). Annual average high: 16.4°C, total rainfall: 552mm.
When is the best time to visit Flagstaff?
94
June is the best month to visit Flagstaff with a travel score of 94/100 (Excellent).
Expect highs of 27°C, 3 rain days, and 13.9 hours of daily sunshine.
View June weather details →Travel Score by Month
63
Jan
65
Feb
70
Mar
76
Apr
84
May
94
Jun
83
Jul
82
Aug
87
Sep
82
Oct
75
Nov
64
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Flagstaff each month?
16.4°C
Avg High
5.1°C
Avg Low
552mm
Annual Rain
How much rain does Flagstaff get?
Flagstaff receives 552mm of rain annually. The wettest month is typically August with 109mm, while June is the driest.
What is the weather like each month in Flagstaff?
January
63
5°C
Low: -4°C
6 rain days
Good
February
65
7°C
Low: -4°C
6 rain days
Good
March
70
10°C
Low: -1°C
7 rain days
Good
April
76
15°C
Low: 2°C
5 rain days
Good
May
84
21°C
Low: 7°C
5 rain days
Excellent
June
Best time to visit94
27°C
Low: 13°C
3 rain days
Excellent
July
83
28°C
Low: 16°C
14 rain days
Excellent
August
82
26°C
Low: 15°C
14 rain days
Excellent
September
87
23°C
Low: 12°C
8 rain days
Excellent
October
82
18°C
Low: 6°C
5 rain days
Excellent
November
75
11°C
Low: 1°C
4 rain days
Good
December
64
6°C
Low: -4°C
5 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31