San Francisco Weather in 1991

Historical record of San Francisco, California weather for the year 1991 based on NOAA data.
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1991 San Francisco Weather Extremes
Highest temperature 96 °F October 10
Lowest temperature 40 °F January 5
Highest daily low 62 °F August 13
Lowest daily high 52 °F January 6
Most daily precipitation 1.4 inches October 26
Total annual precipitation 16.9 inches -
Highest Temperatures in San Francisco in 1991
Rank Temperature Date
1 96 °F Oct 10
2 94 °F Sep 2
3 93 °F Oct 9
4 92 °F Jul 1
5 90 °F Aug 13
6 89 °F Oct 20
6 89 °F Sep 29
8 88 °F Oct 3
8 88 °F Jul 2
10 85 °F Oct 19
10 85 °F Sep 24
Lowest Temperatures in San Francisco in 1991
Rank Temperature Date
1 40 °F January 5
1 40 °F January 2
3 41 °F January 6
3 41 °F January 4
3 41 °F January 1
6 42 °F December 20
6 42 °F December 16
6 42 °F December 15
6 42 °F December 14
6 42 °F January 29
January 1991 San Francisco Weather
Day High (°F) Low (°F) Precip. (inches)
60 41 0.00
57 40 0.00
56 45 0.00
59 41 0.00
54 40 0.00
52 41 0.01
58 49 0.15
55 47 0.00
55 48 0.42
60 45 0.00
57 47 0.00
61 50 0.02
65 52 0.00
62 51 0.00
63 52 0.00
71 50 0.00
73 50 0.00
66 47 0.00
67 45 0.00
68 45 0.00
67 51 0.00
65 43 0.00
65 43 0.00
61 47 0.00
57 45 0.00
58 45 0.00
55 44 0.00
58 45 0.00
64 42 0.00
60 43 0.00
60 46 0.00
February 1991 San Francisco Weather
Day High (°F) Low (°F) Precip. (inches)
62 45 0.00
60 54 1.12
65 52 0.00
61 50 1.07
62 51 0.00
67 48 0.00
69 51 0.00
61 49 0.00
63 48 0.00
65 48 0.00
68 50 0.00
66 49 0.00
73 50 0.00
76 50 0.00
65 52 0.00
62 51 0.00
61 51 0.00
68 47 0.00
75 49 0.00
73 48 0.00
68 52 0.00
61 50 0.00
68 48 0.00
78 45 0.00
75 47 0.00
62 48 0.00
57 53 0.83
61 53 0.27
March 1991 San Francisco Weather
Day High (°F) Low (°F) Precip. (inches)
58 52 0.43
62 55 0.19
61 53 0.35
62 51 0.34
58 46 0.00
61 43 0.00
65 46 0.00
72 45 0.00
57 49 0.00
54 45 0.59
58 43 0.00
57 48 0.61
57 46 0.08
57 44 0.00
59 43 0.00
57 48 0.01
53 46 0.72
61 44 0.00
58 46 0.33
56 46 0.34
58 46 0.03
58 46 0.00
53 47 0.48
55 46 0.57
55 45 0.29
55 43 0.53
61 43 0.00
65 50 0.00
69 48 0.00
70 49 0.00
62 52 0.00
April 1991 San Francisco Weather
Day High (°F) Low (°F) Precip. (inches)
61 50 0.01
63 51 0.00
73 49 0.00
70 50 0.00
67 51 0.00
62 50 0.04
63 48 0.00
68 47 0.00
68 49 0.00
61 48 0.00
69 49 0.00
73 48 0.00
64 49 0.00
60 49 0.00
58 48 0.00
59 46 0.00
59 48 0.00
62 49 0.00
63 47 0.11
63 51 0.63
66 51 0.17
61 48 0.00
59 50 0.00
59 51 0.06
62 50 0.05
65 49 0.00
69 49 0.00
75 49 0.00
83 52 0.00
61 50 0.00
May 1991 San Francisco Weather
Day High (°F) Low (°F) Precip. (inches)
59 47 0.08
60 50 0.00
60 50 0.00
66 49 0.00
71 49 0.00
66 50 0.00
74 53 0.00
60 50 0.05
64 48 0.00
69 50 0.00
55 50 0.00
60 51 0.00
60 51 0.12
64 49 0.00
68 49 0.00
61 51 0.02
58 49 0.00
60 48 0.00
65 48 0.00
60 49 0.00
65 50 0.00
62 50 0.00
69 49 0.00
79 53 0.00
65 50 0.00
62 49 0.00
65 49 0.00
56 49 0.00
59 49 0.03
63 50 0.06
75 51 0.00
June 1991 San Francisco Weather
Day High (°F) Low (°F) Precip. (inches)
78 53 0.00
61 52 0.00
60 50 0.00
66 49 0.00
63 50 0.00
61 50 0.00
71 50 0.00
76 52 0.00
67 51 0.00
72 50 0.00
69 53 0.00
63 52 0.00
66 50 0.00
68 51 0.00
66 51 0.00
65 50 0.00
66 50 0.00
57 50 0.00
63 51 0.00
65 48 0.00
63 50 0.00
60 51 0.00
64 51 0.00
60 52 0.00
62 53 0.00
59 52 0.00
68 53 0.00
64 56 0.05
68 56 0.00
82 55 0.00
July 1991 San Francisco Weather
Day High (°F) Low (°F) Precip. (inches)
92 61 0.00
88 58 0.00
74 54 0.00
70 54 0.00
67 54 0.00
65 55 0.00
65 54 0.00
63 53 0.00
60 52 0.00
64 52 0.00
70 53 0.00
63 52 0.00
64 54 0.00
58 54 0.00
65 52 0.00
69 57 0.00
67 55 0.00
65 54 0.00
65 56 0.00
64 56 0.00
68 56 0.00
69 55 0.00
68 55 0.00
62 55 0.00
68 54 0.00
68 54 0.00
66 55 0.00
68 55 0.00
74 54 0.00
70 56 0.00
67 55 0.00
August 1991 San Francisco Weather
Day High (°F) Low (°F) Precip. (inches)
66 56 0.00
61 55 0.00
62 54 0.00
61 55 0.00
63 54 0.00
68 57 0.00
78 59 0.00
76 57 0.00
70 57 0.00
76 56 0.00
69 57 0.00
70 57 0.00
90 62 0.15
71 59 0.26
69 58 0.00
68 57 0.00
64 57 0.00
64 57 0.01
66 56 0.00
66 57 0.00
69 57 0.00
68 57 0.00
74 56 0.00
69 56 0.00
64 56 0.00
66 55 0.00
68 56 0.00
74 60 0.00
73 57 0.00
69 58 0.00
71 58 0.00
September 1991 San Francisco Weather
Day High (°F) Low (°F) Precip. (inches)
74 57 0.00
94 57 0.00
73 57 0.00
71 56 0.00
68 56 0.00
70 58 0.00
66 58 0.00
67 56 0.00
63 56 0.00
68 54 0.00
65 54 0.00
69 53 0.00
64 53 0.00
63 54 0.00
67 54 0.00
72 54 0.00
77 53 0.00
67 55 0.00
65 55 0.00
63 56 0.00
77 55 0.00
70 55 0.00
78 53 0.00
85 52 0.00
74 55 0.00
64 57 0.00
64 57 0.00
75 56 0.00
89 55 0.00
68 56 0.00
October 1991 San Francisco Weather
Day High (°F) Low (°F) Precip. (inches)
72 56 0.00
78 55 0.00
88 54 0.00
72 56 0.00
66 57 0.00
70 57 0.00
75 55 0.00
77 55 0.00
93 54 0.00
96 61 0.00
80 59 0.00
74 56 0.00
83 54 0.00
79 56 0.00
72 54 0.00
73 55 0.00
67 55 0.00
83 56 0.00
85 53 0.00
89 58 0.00
67 59 0.00
62 54 0.00
69 50 0.00
64 51 0.08
63 56 0.92
62 53 1.35
64 50 0.00
66 52 0.00
67 54 0.00
69 52 0.00
70 48 0.00
November 1991 San Francisco Weather
Day High (°F) Low (°F) Precip. (inches)
74 49 0.00
74 51 0.00
74 50 0.00
74 50 0.00
76 51 0.00
83 54 0.00
82 58 0.00
65 56 0.00
64 55 0.00
75 51 0.00
77 52 0.00
75 53 0.00
67 55 0.00
63 51 0.00
67 50 0.00
67 47 0.00
62 53 0.48
65 51 0.00
67 47 0.00
63 52 0.00
66 50 0.00
67 46 0.00
68 50 0.00
67 49 0.00
71 49 0.00
68 49 0.00
64 51 0.02
66 49 0.00
62 46 0.00
66 49 0.00
December 1991 San Francisco Weather
Day High (°F) Low (°F) Precip. (inches)
65 50 0.00
66 47 0.00
67 46 0.00
65 45 0.00
64 45 0.00
60 47 0.03
62 51 0.03
66 49 0.00
67 46 0.00
65 46 0.00
66 44 0.00
61 44 0.00
63 43 0.00
54 42 0.00
56 42 0.00
54 42 0.00
57 44 0.10
61 49 0.09
60 45 0.00
60 42 0.00
58 43 0.00
58 43 0.00
65 44 0.00
64 44 0.00
58 45 0.00
60 49 0.00
60 50 0.73
56 49 1.18
54 49 0.16
57 48 0.00
62 46 0.00
Weather Station Details
Years Station Coordinates
1921–2024 Downtown San Francisco location