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San Francisco Weather History (CA)

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Details:

Temperature
  Temperature (ºF)
  Average Below
32º		 Above
32º
January 48.7
48.7º
48.7º
February 52.2
52.2º
52.2º
March 53.3
53.3º
53.3º
April 55.6
55.6º
55.6º
May 58.1
58.1º
58.1º
June 61.5
61.5º
61.5º
July 62.7
62.7º
62.7º
August 63.7
63.7º
63.7º
September 64.5
64.5º
64.5º
October 61.0
61.0º
61.0º
November 54.8
54.8º
54.8º
December 49.4
49.4º
49.4º
Annual 57.1
57.1º
57.1º
  Extreme Temp. (Days Per Month)
  Below
32º		 Above
90º
January 1
1
0
0
February N/A
N/A
0
0
March N/A
N/A
0
0
April 0
0
N/A
N/A
May 0
0
N/A
N/A
June 0
0
1
1
July 0
0
1
1
August 0
0
N/A
N/A
September 0
0
1
1
October 0
0
N/A
N/A
November 0
0
0
0
December 1
1
0
0
Annual 2
2
3
3
Humidity and Rain
  Relative Humidity
  Morning Percentage Afternoon Percentage
January
86%
86%
68%
68%
February
84%
84%
66%
66%
March
82%
82%
63%
63%
April
82%
82%
60%
60%
May
83%
83%
60%
60%
June
84%
84%
59%
59%
July
86%
86%
60%
60%
August
87%
87%
61%
61%
September
84%
84%
59%
59%
October
82%
82%
59%
59%
November
84%
84%
64%
64%
December
85%
85%
68%
68%
Annual
84%
84%
62%
62%
  Rain
  Inches
January 4.4
4.4
February 3.2
3.2
March 3.1
3.1
April 1.4
1.4
May 0.2
0.2
June 0.1
0.1
July 0.0
0.0
August 0.1
0.1
September 0.2
0.2
October 1.2
1.2
November 2.9
2.9
December 3.1
3.1
Annual 19.7
19.7
Cloudiness
  Cloudiness (Days Per Month)
  Clear Partly Cloudy Cloudy
January
9
8
15
February
8
7
13
March
10
9
13
April
11
9
10
May
14
10
8
June
16
9
5
July
21
8
3
August
19
9
3
September
18
8
4
October
16
9
7
November
11
8
11
December
9
8
14
Annual
160
100
105
Average Temperatures for all Citites
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