Weather Averages for Flagstaff, AZ
7-day Forecast / 10-day Forecast
| Monday |
|
High: 34°F Low: 29°F |
Light snow |
|
| Tuesday |
|
High: 28°F Low: 24°F |
Partly Cloudy |
|
| Wednesday |
|
High: 32°F Low: 20°F |
Sunny |
|
| Thursday |
|
High: 37°F Low: 22°F |
Sunny |
|
| Friday |
|
High: 45°F Low: 28°F |
Sunny |
|
Average temperature over 49 years |
°F |
44 |
28 |
31 |
35 |
42 |
50 |
59 |
64 |
64 |
57 |
46 |
36 |
30 |
Average high temperature over 49 years |
°F |
61 |
42 |
45 |
49 |
58 |
67 |
77 |
81 |
79 |
73 |
63 |
51 |
43 |
Average low temperature over 49 years |
°F |
30 |
15 |
17 |
21 |
26 |
33 |
41 |
50 |
48 |
41 |
30 |
21 |
16 |
Highest recorded temperature over 46 years |
°F |
96 |
66 |
71 |
73 |
80 |
87 |
96 |
96 |
91 |
89 |
84 |
73 |
68 |
Lowest recorded temperature over 46 years |
°F |
-23 |
-22 |
-23 |
-16 |
-2 |
14 |
21 |
32 |
24 |
23 |
-2 |
-13 |
-23 |
Average number of rainy days over 44 years |
days |
82 |
8 |
7 |
9 |
6 |
5 |
3 |
11 |
11 |
6 |
5 |
5 |
6 |
Average number of days above 90°F over 46 years |
days |
3 |
- |
- |
- |
- |
- |
1 |
2 |
- |
- |
- |
- |
- |
Average precipitation over 49 years |
in |
21.9 |
2.1 |
2.2 |
2.3 |
1.3 |
0.7 |
0.5 |
2.5 |
2.9 |
1.9 |
1.6 |
1.8 |
2.1 |
Average dew point over 40 years |
°F |
26 |
16 |
17 |
19 |
21 |
24 |
28 |
44 |
46 |
37 |
26 |
19 |
16 |
Average number of days above 70°F over 46 years |
days |
137 |
- |
- |
- |
3 |
14 |
26 |
30 |
30 |
24 |
9 |
1 |
- |
Most recorded rainfall over 46 years |
in |
36.6 |
9.5 |
10.0 |
6.8 |
5.6 |
4.1 |
2.9 |
6.6 |
8.1 |
6.8 |
9.9 |
6.6 |
7.3 |
Least recorded rainfall over 46 years |
in |
10.4 |
- |
- |
- |
- |
- |
- |
- |
0.3 |
- |
- |
- |
- |
Average number of days with thunderstorms over 24 years |
days |
63 |
- |
1 |
1 |
2 |
5 |
5 |
18 |
18 |
9 |
3 |
1 |
- |
Average number of days with fog over 24 years |
days |
56 |
10 |
8 |
8 |
4 |
2 |
- |
1 |
2 |
3 |
4 |
6 |
8 |
Average morning relative humidity over 45 years |
% |
71 |
75 |
75 |
73 |
67 |
64 |
55 |
70 |
79 |
75 |
71 |
72 |
73 |
Average evening relative humidity over 38 years |
% |
39 |
52 |
46 |
43 |
32 |
28 |
21 |
38 |
44 |
37 |
35 |
44 |
51 |
Average wind speed over 38 years |
mph |
9.0 |
8.0 |
9.0 |
10.0 |
10.0 |
10.0 |
10.0 |
8.0 |
8.0 |
8.0 |
6.0 |
8.0 |
6.0 |
Average number of days below 32°F over 46 years |
days |
209 |
30 |
27 |
30 |
25 |
14 |
3 |
- |
- |
3 |
19 |
28 |
30 |
Average snowfall over 49 years |
in |
99.6 |
19.8 |
17.9 |
22.6 |
9.9 |
1.6 |
- |
- |
- |
0.1 |
2.0 |
10.2 |
15.5 |
Average number of clear days over 42 years |
days |
162 |
12 |
11 |
12 |
12 |
15 |
18 |
9 |
10 |
16 |
17 |
15 |
14 |
Average snow cover over 49 years |
in |
1.0 |
4.0 |
4.0 |
3.0 |
1.0 |
- |
- |
- |
- |
- |
- |
1.0 |
3.0 |
Heating degree days over 30 years |
days |
7131 |
1125 |
938 |
921 |
681 |
453 |
187 |
29 |
65 |
237 |
552 |
846 |
1097 |
Cooling degree days over 30 years |
days |
145 |
- |
- |
- |
- |
- |
31 |
70 |
38 |
6 |
- |
- |
- |
Average possibility of sunshine over 14 years |
% |
79 |
76 |
74 |
76 |
83 |
88 |
86 |
75 |
76 |
81 |
79 |
75 |
73 |
Average number of cloudy days over 42 years |
days |
101 |
13 |
11 |
11 |
9 |
7 |
4 |
9 |
8 |
5 |
7 |
8 |
11 |
Average number of partly cloudy days over 42 years |
days |
102 |
6 |
6 |
8 |
9 |
9 |
8 |
13 |
13 |
9 |
7 |
7 |
6 |
Average number of days below 10°F over 46 years |
days |
27 |
9 |
6 |
3 |
- |
- |
- |
- |
- |
- |
- |
2 |
7 |
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