Flagstaff Weather Information

Flagstaff historical weather data by month.

Chance Of Sunshine

ANNUAL CHANCE OF SUNSHINE 72.13114754%
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Annual chance of sunshine: 72.13114754%
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
60.00%
12
6
12
February
60.71%
11
6
11
March
62.50%
12
8
12
April
70.00%
12
9
9
May
77.42%
15
9
7
June
86.67%
18
8
4
July
70.97%
9
13
9
August
74.19%
10
13
8
September
83.87%
16
10
5
October
77.42%
17
7
7
November
73.33%
15
7
8
December
64.52%
14
6
11

Temperature

JULY HIGH 82.2° - JANUARY LOW 16.5°
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Month
Average
Max Average
Min Average
January
29.7°
42.9°
16.5°
February
32.2°
45.6°
18.8°
March
36.6°
50.3°
22.8°
April
42.9°
58.4°
27.3°
May
50.8°
67.6°
34°
June
60.1°
78.7°
41.4°
July
66.1°
82.2°
49.9°
August
64.4°
79.7°
49.1°
September
57.8°
73.8°
41.7°
October
47.1°
63.1°
31.1°
November
36.5°
50.8°
22.1°
December
30.2°
43.7°
16.6°

Rainfall

Average Annual Rainfall 22.91 inches
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Month
Average Rainfall
January
2.18 Inches
February
2.56 Inches
March
2.62 Inches
April
1.29 Inches
May
0.8 Inches
June
0.43 Inches
July
2.4 Inches
August
2.89 Inches
September
2.12 Inches
October
1.93 Inches
November
1.86 Inches
December
1.83 Inches

Sum Of Heating & Cooling Degree Days

Potential Demand For Energy
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Month
Heating Degree Days
Cooling Degree Days
January
1099
0
February
930
0
March
880
0
April
668
0
May
446
0
June
174
23
July
33
64
August
56
36
September
224
3
October
554
0
November
850
0
December
1085
0