San Luis Obispo Weather in 2020

Historical record of San Luis Obispo, California weather for the year 2020 based on NOAA data.
Jump to Month:
Year:
2020 San Luis Obispo Weather Extremes
Highest temperature 117 °F September 6
Lowest temperature 27 °F February 4
Highest daily low 70 °F August 19
Lowest daily high 53 °F March 16
Most daily precipitation 1.4 inches March 10
Total annual precipitation 7.9 inches -
Highest Temperatures in San Luis Obispo in 2020
Rank Temperature Date
1 117 °F Sep 6
2 108 °F Sep 7
3 107 °F Sep 30
4 105 °F Oct 2
4 105 °F Oct 1
6 100 °F Oct 3
6 100 °F Aug 18
8 99 °F Oct 15
8 99 °F Oct 12
8 99 °F Aug 14
Lowest Temperatures in San Luis Obispo in 2020
Rank Temperature Date
1 27 °F February 4
2 32 °F February 11
2 32 °F January 18
2 32 °F January 17
5 33 °F December 30
5 33 °F December 6
7 34 °F November 29
7 34 °F March 18
7 34 °F February 7
7 34 °F February 6
7 34 °F February 5
January 2020 San Luis Obispo Weather
Day High (°F) Low (°F) Precip. (inches)
67 41 0.00
66 46 0.00
73 41 0.00
63 38 0.00
65 44 0.00
71 42 0.00
68 37 0.00
60 41 0.00
59 39 0.04
64 38 0.00
59 36 0.00
60 42 0.00
61 39 0.00
60 35 0.00
63 35 0.00
55 36 0.29
59 32 0.00
62 32 0.00
61 35 0.00
59 46 0.01
61 45 0.00
65 43 0.00
73 44 0.00
72 46 0.00
72 49 0.00
62 52 0.00
69 45 0.00
65 41 0.00
65 45 0.00
66 42 0.00
77 45 0.00
February 2020 San Luis Obispo Weather
Day High (°F) Low (°F) Precip. (inches)
77 41 0.00
63 43 0.00
60 37 0.00
61 27 0.00
64 34 0.00
67 34 0.00
72 34 0.00
64 36 0.00
63 39 0.00
69 40 0.00
74 32 0.00
64 35 0.00
65 43 0.00
64 42 0.00
69 37 0.00
72 45 0.00
73 49 0.00
72 46 0.00
69 40 0.00
72 35 0.00
77 42 0.00
63 48 0.00
64 49 0.00
75 48 0.00
81 48 0.00
78 41 0.00
80 47 0.00
81 45 0.00
62 50 0.00
March 2020 San Luis Obispo Weather
Day High (°F) Low (°F) Precip. (inches)
56 43 0.01
70 42 0.00
75 35 0.00
65 39 0.00
69 52 0.00
64 48 0.00
59 49 0.21
59 44 0.00
71 44 0.00
62 49 1.40
69 50 0.32
74 49 0.00
58 53 0.00
60 51 0.04
58 50 0.48
53 41 1.25
57 40 0.20
59 34 0.00
58 45 0.08
61 44 0.01
62 49 0.00
68 45 0.61
59 47 0.20
58 48 0.02
59 40 0.18
58 35 0.00
60 37 0.00
64 41 0.00
64 46 0.00
68 43 0.00
76 49 0.00
April 2020 San Luis Obispo Weather
Day High (°F) Low (°F) Precip. (inches)
65 44 0.00
69 42 0.00
63 46 0.00
62 40 0.00
55 49 0.93
59 43 0.00
64 38 0.11
56 46 0.03
58 47 0.17
68 43 0.00
64 48 0.00
59 52 0.00
59 48 0.00
72 43 0.00
80 44 0.00
68 52 0.00
64 48 0.00
62 46 0.00
66 42 0.00
65 51 0.00
69 48 0.00
76 53 0.00
77 58 0.00
86 58 0.00
86 54 0.00
77 51 0.00
76 48 0.00
81 54 0.00
77 52 0.00
82 50 0.00
May 2020 San Luis Obispo Weather
Day High (°F) Low (°F) Precip. (inches)
80 51 0.00
70 47 0.00
74 48 0.00
86 47 0.00
74 51 0.00
89 56 0.00
91 54 0.00
87 51 0.00
74 50 0.00
66 52 0.00
71 54 0.00
71 55 0.00
72 48 0.00
72 54 0.00
74 53 0.00
79 53 0.00
75 50 0.04
70 54 0.05
70 45 0.00
71 47 0.00
78 50 0.00
70 47 0.00
72 44 0.00
81 45 0.00
84 50 0.00
86 53 0.00
84 55 0.00
73 54 0.00
65 57 0.00
69 54 0.00
76 50 0.00
June 2020 San Luis Obispo Weather
Day High (°F) Low (°F) Precip. (inches)
71 55 0.00
84 54 0.00
90 55 0.00
78 58 0.00
68 57 0.00
72 53 0.00
72 52 0.00
82 51 0.00
94 51 0.00
97 56 0.00
86 52 0.00
71 50 0.00
73 53 0.00
77 52 0.00
83 53 0.00
73 50 0.00
78 48 0.00
74 49 0.00
72 55 0.00
74 55 0.00
77 55 0.00
74 56 0.00
77 55 0.00
78 56 0.00
71 57 0.00
78 57 0.00
78 58 0.00
70 57 0.00
77 54 0.00
79 50 0.00
July 2020 San Luis Obispo Weather
Day High (°F) Low (°F) Precip. (inches)
67 56 0.00
73 54 0.00
76 51 0.00
86 50 0.00
88 54 0.00
78 51 0.00
76 48 0.00
78 51 0.00
76 52 0.00
84 52 0.00
89 52 0.00
86 54 0.00
75 54 0.00
73 56 0.00
73 58 0.00
75 57 0.00
75 57 0.00
78 57 0.00
77 57 0.00
74 58 0.00
77 56 0.00
73 55 0.00
75 57 0.00
76 57 0.00
76 55 0.00
79 56 0.00
77 57 0.00
75 57 0.00
78 57 0.00
76 56 0.00
76 55 0.00
August 2020 San Luis Obispo Weather
Day High (°F) Low (°F) Precip. (inches)
84 53 0.00
87 49 0.00
90 53 0.00
78 53 0.00
74 57 0.00
75 51 0.00
73 53 0.00
78 58 0.00
78 53 0.00
76 54 0.00
77 55 0.00
80 55 0.00
82 55 0.01
99 66 0.00
96 63 0.00
91 64 0.00
93 64 0.00
100 63 0.00
97 70 0.00
90 58 0.00
88 55 0.00
90 59 0.00
83 62 0.00
84 59 0.00
79 58 0.00
76 57 0.00
74 55 0.00
78 56 0.00
75 55 0.00
73 55 0.00
75 55 0.00
September 2020 San Luis Obispo Weather
Day High (°F) Low (°F) Precip. (inches)
73 58 0.00
75 58 0.00
77 56 0.00
81 55 0.00
98 56 0.00
117 63 0.00
108 63 0.00
72 57 0.00
70 54 0.00
65 51 0.00
75 51 0.00
77 50 0.00
72 52 0.00
75 54 0.00
82 48 0.00
87 47 0.00
86 51 0.00
83 57 0.00
85 54 0.00
83 51 0.00
76 53 0.00
77 53 0.00
88 51 0.00
91 57 0.00
79 55 0.00
91 55 0.00
80 58 0.00
79 57 0.00
79 55 0.00
107 53 0.00
October 2020 San Luis Obispo Weather
Day High (°F) Low (°F) Precip. (inches)
105 59 0.00
105 67 0.00
100 65 0.00
88 56 0.00
85 51 0.00
79 50 0.00
74 51 0.00
70 55 0.00
74 53 0.00
78 51 0.00
88 57 0.00
99 64 0.00
98 61 0.00
98 63 0.00
99 60 0.00
97 54 0.00
92 52 0.00
85 50 0.00
73 52 0.00
71 53 0.00
71 52 0.00
66 57 0.00
71 58 0.00
71 57 0.00
65 55 0.00
74 47 0.00
77 41 0.00
84 41 0.00
81 43 0.00
75 46 0.00
89 42 0.00
November 2020 San Luis Obispo Weather
Day High (°F) Low (°F) Precip. (inches)
87 49 0.00
84 47 0.00
75 51 0.00
92 46 0.00
92 57 0.00
68 49 0.00
61 49 0.17
60 44 0.00
63 37 0.00
67 38 0.00
68 36 0.00
69 37 0.00
66 38 0.00
71 46 0.00
82 42 0.00
88 49 0.00
62 47 0.00
67 52 0.04
72 48 0.00
73 48 0.00
79 43 0.00
72 40 0.00
67 44 0.00
71 42 0.00
66 36 0.00
n/a n/a n/a
n/a n/a n/a
n/a n/a 0.00
73 34 0.00
79 37 0.00
December 2020 San Luis Obispo Weather
Day High (°F) Low (°F) Precip. (inches)
79 44 0.00
70 37 0.00
71 35 0.00
76 38 0.00
74 36 0.00
74 33 0.00
76 47 0.00
83 46 0.00
80 40 0.00
66 39 0.00
63 39 0.00
62 48 0.00
63 43 0.01
62 44 0.00
70 40 0.00
75 41 0.00
60 48 0.03
69 40 0.00
76 35 0.00
80 39 0.00
80 37 0.00
67 35 0.00
73 44 0.00
75 39 0.00
70 36 0.00
64 47 0.01
64 47 0.44
56 44 0.46
62 41 0.00
67 33 0.00
63 42 0.01
Weather Station Details
Years Station Coordinates
1999–2024 San Luis Obispo Airport location
1893–1998 San Luis Obispo Poly location