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Great Falls Weather History (MT)

Details:

Temperature
  Temperature (ºF)
  Average Below
32º
Above
32º
January 21.2
21.2º
21.2º
February 27.4
27.4º
27.4º
March 33.3
33.3º
33.3º
April 43.6
43.6º
43.6º
May 53.1
53.1º
53.1º
June 61.6
61.6º
61.6º
July 68.2
68.2º
68.2º
August 66.9
66.9º
66.9º
September 56.6
56.6º
56.6º
October 47.5
47.5º
47.5º
November 33.9
33.9º
33.9º
December 23.9
23.9º
23.9º
Annual 44.8
44.8º
44.8º
  Extreme Temp. (Days Per Month)
  Below
32º
Above
90º
January 27
27
0
0
February 24
24
0
0
March 25
25
0
0
April 16
16
0
0
May 4
4
N/A
N/A
June N/A
N/A
2
2
July 0
0
7
7
August N/A
N/A
8
8
September 3
3
1
1
October 12
12
N/A
N/A
November 22
22
0
0
December 27
27
0
0
Annual 160
160
19
19
Humidity and Rain
  Relative Humidity
  Morning Percentage Afternoon Percentage
January
67%
67%
61%
61%
February
67%
67%
54%
54%
March
69%
69%
48%
48%
April
69%
69%
41%
41%
May
71%
71%
41%
41%
June
72%
72%
41%
41%
July
68%
68%
31%
31%
August
66%
66%
30%
30%
September
68%
68%
37%
37%
October
65%
65%
44%
44%
November
66%
66%
56%
56%
December
65%
65%
60%
60%
Annual
68%
68%
46%
46%
  Rain
  Inches
January 0.9
0.9
February 0.6
0.6
March 1.1
1.1
April 1.4
1.4
May 2.5
2.5
June 2.4
2.4
July 1.2
1.2
August 1.5
1.5
September 1.2
1.2
October 0.8
0.8
November 0.7
0.7
December 0.9
0.9
Annual 15.2
15.2
Cloudiness
  Cloudiness (Days Per Month)
  Clear Partly Cloudy Cloudy
January
5
6
19
February
4
6
18
March
4
9
18
April
4
8
18
May
5
10
17
June
5
11
14
July
13
12
6
August
12
11
8
September
10
9
11
October
7
9
15
November
5
7
18
December
5
8
18
Annual
79
106
180


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