Flagstaff weather by month

Check out Flagstaff weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Flagstaff (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
6°C maximum daytime temperature in January in Flagstaff6
7°C maximum daytime temperature in February in Flagstaff7
9°C maximum daytime temperature in March in Flagstaff9
14°C maximum daytime temperature in April in Flagstaff14
20°C maximum daytime temperature in May in Flagstaff20
26°C maximum daytime temperature in June in Flagstaff26
28°C maximum daytime temperature in July in Flagstaff28
26°C maximum daytime temperature in August in Flagstaff26
23°C maximum daytime temperature in September in Flagstaff23
17°C maximum daytime temperature in October in Flagstaff17
11°C maximum daytime temperature in November in Flagstaff11
6°C maximum daytime temperature in December in Flagstaff6
Min temperature (night-time)
-12°C minimum night-time temperature in January in Flagstaff-12
-10°C minimum night-time temperature in February in Flagstaff-10
-8°C minimum night-time temperature in March in Flagstaff-8
-5°C minimum night-time temperature in April in Flagstaff-5
-2°C minimum night-time temperature in May in Flagstaff-2
2°C minimum night-time temperature in June in Flagstaff2
8°C minimum night-time temperature in July in Flagstaff8
7°C minimum night-time temperature in August in Flagstaff7
3°C minimum night-time temperature in September in Flagstaff3
-3°C minimum night-time temperature in October in Flagstaff-3
-7°C minimum night-time temperature in November in Flagstaff-7
-11°C minimum night-time temperature in December in Flagstaff-11
Heat & Humidity
No heat & humidity in January in Flagstaff0
No heat & humidity in February in Flagstaff0
No heat & humidity in March in Flagstaff0
No heat & humidity in April in Flagstaff0
No heat & humidity in May in Flagstaff0
No heat & humidity in June in Flagstaff0
Low heat & humidity in July in FlagstaffL
Low heat & humidity in August in FlagstaffL
No heat & humidity in September in Flagstaff0
No heat & humidity in October in Flagstaff0
No heat & humidity in November in Flagstaff0
No heat & humidity in December in Flagstaff0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Flagstaff

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Flagstaff10
11 hours of daylight per day in February in Flagstaff11
12 hours of daylight per day in March in Flagstaff12
13 hours of daylight per day in April in Flagstaff13
14 hours of daylight per day in May in Flagstaff14
14 hours of daylight per day in June in Flagstaff14
14 hours of daylight per day in July in Flagstaff14
13 hours of daylight per day in August in Flagstaff13
12 hours of daylight per day in September in Flagstaff12
11 hours of daylight per day in October in Flagstaff11
10 hours of daylight per day in November in Flagstaff10
10 hours of daylight per day in December in Flagstaff10
UV Index (Maximum)
UV (maximum) index 3 (Moderate) in January in Flagstaff3
UV (maximum) index 4 (Moderate) in February in Flagstaff4
UV (maximum) index 6 (High) in March in Flagstaff6
UV (maximum) index 8 (Very High) in April in Flagstaff8
UV (maximum) index 10 (Very High) in May in Flagstaff10
UV (maximum) index 11 (Extreme) in June in Flagstaff11
UV (maximum) index 11+ (Extreme) in July in Flagstaff11
UV (maximum) index 11 (Extreme) in August in Flagstaff11
UV (maximum) index 9 (Very High) in September in Flagstaff9
UV (maximum) index 6 (High) in October in Flagstaff6
UV (maximum) index 4 (Moderate) in November in Flagstaff4
UV (maximum) index 3 (Moderate) in December in Flagstaff3

Rainfall in Flagstaff

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
5 days with some rainfall in January in Flagstaff5
5 days with some rainfall in February in Flagstaff5
6 days with some rainfall in March in Flagstaff6
4 days with some rainfall in April in Flagstaff4
4 days with some rainfall in May in Flagstaff4
3 days with some rainfall in June in Flagstaff3
9 days with some rainfall in July in Flagstaff9
9 days with some rainfall in August in Flagstaff9
7 days with some rainfall in September in Flagstaff7
5 days with some rainfall in October in Flagstaff5
4 days with some rainfall in November in Flagstaff4
6 days with some rainfall in December in Flagstaff6
Average monthly rainfall (mm)
50 mm monthly rainfall in January in Flagstaff50
49 mm monthly rainfall in February in Flagstaff49
60 mm monthly rainfall in March in Flagstaff60
35 mm monthly rainfall in April in Flagstaff35
19 mm monthly rainfall in May in Flagstaff19
12 mm monthly rainfall in June in Flagstaff12
72 mm monthly rainfall in July in Flagstaff72
73 mm monthly rainfall in August in Flagstaff73
49 mm monthly rainfall in September in Flagstaff49
38 mm monthly rainfall in October in Flagstaff38
44 mm monthly rainfall in November in Flagstaff44
53 mm monthly rainfall in December in Flagstaff53

More about Flagstaff

Flagstaff by month

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

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The climate guide for Arizona (Flagstaff) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Flagstaff?

Flagstaff has a cold climate with warm dry summers.

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: Flagstaff, Arizona hurricane season

% of month affected by tropical storms
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0
0
0
0
0
0
0
0
0
0
0
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Feb
Mar
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Jul
Aug
Sep
Oct
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Dec

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More about Arizona

Compare Flagstaff with the USA

Below the Flagstaff chart shows average maximum daytime temperature for Flagstaff, Arizona, USA and the USA (Washington).

Maximum daytime temperature (°C)

Flagstaff, Arizona, USA
USA (Washington)
6
5
7
7
9
13
14
19
20
24
26
29
28
31
26
30
23
26
17
20
11
14
6
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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