Which is the hottest month in Flagstaff?

The hottest time of year in Flagstaff is normally July. Expect maximum daytime temperatures to reach 28°C with low heat and humidity.

Which month has the most rain in Flagstaff?

In terms of rainfall, August is usually the wettest month in Flagstaff with 73mm on average. There are normally 9 days in August with some rain.

When is it sunniest in Flagstaff?

The sunniest time of year in Flagstaff is normally June with bright sunshine on average for 85% of daylight hours; that's 12 hours of sunshine per day.

Best time to visit Flagstaff

Q: When is the best time to visit Flagstaff?

The best time to visit Flagstaff is June, July, August and September based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

Find the best time to visit Flagstaff and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Flagstaff by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Flagstaff?

The best time to visit Flagstaff is June, July, August and September based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

2
Jan
2
Feb
2.5
Mar
2.5
Apr
4
May
5
Jun
5
Jul
5
Aug
5
Sep
3
Oct
2
Nov
1.5
Dec

Change criteria

Max Day Temperature (°F)

43
Jan
45
Feb
48
Mar
57
Apr
68
May
79
Jun
82
Jul
79
Aug
73
Sep
63
Oct
52
Nov
43
Dec

Hours of Sunshine (daily)

8
Jan
8
Feb
9
Mar
11
Apr
12
May
12
Jun
11
Jul
10
Aug
10
Sep
9
Oct
8
Nov
7
Dec