Petaluma Weather in 2009

Historical record of Petaluma, California weather for the year 2009 based on NOAA data.
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2009 Petaluma Weather Extremes
Highest temperature 100 °F September 26
Lowest temperature 20 °F December 9
Highest daily low 64 °F August 29
Lowest daily high 44 °F December 8
Most daily precipitation 2.6 inches October 13
Most daily snow none -
Total annual precipitation 18.9 inches -
Total annual snow none -
Highest Temperatures in Petaluma in 2009
Rank Temperature Date
1 100 °F Sep 26
1 100 °F Aug 28
3 99 °F Jul 14
4 98 °F Sep 27
5 97 °F Sep 18
6 96 °F Sep 3
6 96 °F Sep 2
6 96 °F Aug 29
6 96 °F May 17
10 95 °F Sep 11
10 95 °F Jun 28
10 95 °F Jun 27
Lowest Temperatures in Petaluma in 2009
Rank Temperature Date
1 20 °F December 9
2 22 °F December 8
3 23 °F January 4
4 27 °F December 6
5 28 °F December 25
5 28 °F January 13
5 28 °F January 11
8 29 °F March 10
8 29 °F January 28
8 29 °F January 27
January 2009 Petaluma Weather
Day High (°F) Low (°F) Precip. (inches)
n/a 43 0.01
55 42 0.44
55 30 0.01
n/a 23 0.00
n/a 37 0.03
53 37 0.00
n/a 40 0.00
55 42 0.00
60 33 0.00
59 33 0.00
80 28 0.00
80 41 0.00
n/a 28 0.00
65 32 0.00
65 30 0.00
68 30 0.00
n/a 32 0.00
66 34 0.00
66 31 0.00
65 33 0.00
n/a 41 0.01
55 48 0.18
56 44 0.06
55 50 0.01
55 41 0.00
56 35 0.00
56 29 0.00
61 29 0.00
61 33 0.00
65 31 0.00
67 33 0.00
February 2009 Petaluma Weather
Day High (°F) Low (°F) Precip. (inches)
67 30 0.00
68 32 0.00
68 32 0.00
65 34 0.00
n/a 47 0.11
59 47 0.74
63 40 0.00
62 38 0.00
53 34 0.00
n/a 31 0.00
53 35 0.36
53 33 0.08
51 35 0.54
52 35 0.12
n/a 45 1.35
53 45 1.52
53 44 0.83
57 42 0.02
62 43 0.00
63 40 0.00
62 39 0.00
58 52 1.05
59 52 0.50
59 44 0.30
59 44 0.03
60 51 0.16
59 35 0.00
63 35 0.00
March 2009 Petaluma Weather
Day High (°F) Low (°F) Precip. (inches)
63 35 0.43
60 53 0.48
58 46 0.41
56 37 0.24
54 44 0.42
57 38 0.00
62 35 0.00
60 38 0.00
n/a 36 0.00
57 29 0.00
61 30 0.00
61 33 0.00
57 45 0.00
55 40 0.00
59 46 0.00
59 52 0.15
64 52 0.00
72 45 0.00
70 44 0.00
n/a 46 0.00
66 45 0.00
66 41 0.00
58 37 0.00
66 40 0.00
68 39 0.00
69 49 0.00
76 45 0.00
75 43 0.00
73 45 0.00
69 45 0.00
70 37 0.00
April 2009 Petaluma Weather
Day High (°F) Low (°F) Precip. (inches)
68 47 0.00
n/a 43 0.00
60 40 0.00
66 32 0.00
72 32 0.00
78 37 0.00
n/a 44 0.25
61 47 0.20
n/a 47 0.09
60 42 0.00
60 40 0.00
67 41 0.00
66 45 0.00
n/a 39 0.00
60 38 0.00
62 35 0.00
73 35 0.00
78 40 0.00
86 44 0.00
92 44 0.00
n/a 50 0.00
n/a 49 0.00
n/a 50 0.00
62 44 0.00
63 37 0.00
66 37 0.00
n/a 37 0.00
60 41 0.00
59 35 0.00
64 35 0.00
May 2009 Petaluma Weather
Day High (°F) Low (°F) Precip. (inches)
n/a 44 0.21
60 53 0.35
66 54 0.18
64 48 0.01
69 56 0.95
n/a 50 0.00
73 48 0.00
74 48 0.00
75 45 0.00
76 45 0.00
n/a 48 0.00
70 41 0.00
74 49 0.00
72 47 0.00
77 50 0.00
94 48 0.00
96 51 0.00
n/a 48 0.00
70 49 0.00
73 41 0.00
70 43 0.00
72 48 0.00
n/a 49 0.00
n/a 48 0.00
74 47 0.00
83 44 0.00
83 50 0.00
n/a 49 0.00
71 52 0.00
65 52 0.00
63 51 0.00
June 2009 Petaluma Weather
Day High (°F) Low (°F) Precip. (inches)
63 52 0.00
72 50 0.00
71 51 0.07
69 53 0.00
65 54 0.00
68 50 0.00
71 47 0.00
67 47 0.00
67 54 0.00
69 56 0.00
70 49 0.00
71 47 0.00
68 51 0.00
71 51 0.00
71 54 0.00
77 51 0.00
77 51 0.00
87 54 0.00
87 52 0.00
77 51 0.00
76 50 0.00
83 47 0.00
88 49 0.00
n/a 49 0.00
77 52 0.00
83 47 0.00
95 50 0.00
95 57 0.00
n/a 51 0.00
85 52 0.00
July 2009 Petaluma Weather
Day High (°F) Low (°F) Precip. (inches)
n/a 56 0.00
75 55 0.00
75 52 0.00
71 52 0.00
71 52 0.00
74 47 0.00
71 49 0.00
80 49 0.00
78 49 0.00
78 48 0.00
80 50 0.00
78 50 0.00
92 48 0.00
99 53 0.00
n/a 51 0.00
84 49 0.00
87 49 0.00
89 53 0.00
92 52 0.00
n/a 53 0.00
75 51 0.00
77 51 0.00
80 51 0.00
80 52 0.00
79 50 0.00
85 51 0.00
85 51 0.00
n/a 52 0.00
71 52 0.00
70 54 0.00
69 54 0.00
August 2009 Petaluma Weather
Day High (°F) Low (°F) Precip. (inches)
71 52 0.00
71 52 0.00
73 55 0.00
76 56 0.00
73 56 0.00
70 54 0.00
78 50 0.00
87 51 0.00
93 53 0.00
94 55 0.00
n/a 57 0.00
92 50 0.00
n/a 56 0.00
84 50 0.00
85 50 0.00
85 49 0.00
n/a 49 0.00
n/a 51 0.00
74 56 0.00
n/a 56 0.00
92 53 0.00
90 50 0.00
73 54 0.00
76 51 0.00
83 48 0.00
n/a 52 0.00
94 50 0.00
100 56 0.00
96 64 0.00
86 53 0.00
71 53 0.00
September 2009 Petaluma Weather
Day High (°F) Low (°F) Precip. (inches)
83 56 0.00
96 54 0.00
96 56 0.00
85 51 0.00
85 51 0.00
76 52 0.00
82 52 0.00
86 47 0.00
80 52 0.00
92 48 0.00
95 49 0.00
87 56 0.00
70 58 0.00
74 56 0.17
82 50 0.00
80 53 0.00
87 52 0.00
97 55 0.00
n/a 54 0.00
87 52 0.00
87 51 0.00
92 50 0.00
n/a 52 0.00
85 52 0.00
91 50 0.00
100 50 0.00
98 51 0.00
n/a 53 0.00
70 49 0.00
75 44 0.00
October 2009 Petaluma Weather
Day High (°F) Low (°F) Precip. (inches)
80 43 0.00
82 44 0.00
78 43 0.00
67 44 0.00
71 39 0.00
76 39 0.00
76 41 0.00
n/a 40 0.00
72 41 0.00
66 49 0.00
n/a 49 0.00
62 54 0.00
63 55 2.55
72 61 0.07
72 61 0.04
80 58 0.01
80 54 0.00
72 55 0.00
n/a 52 0.47
67 53 0.02
70 57 0.00
72 49 0.00
78 47 0.00
78 47 0.00
81 47 0.00
n/a 50 0.00
n/a 49 0.00
65 45 0.00
73 39 0.00
72 42 0.00
n/a n/a 0.00
November 2009 Petaluma Weather
Day High (°F) Low (°F) Precip. (inches)
75 47 0.00
79 46 0.00
76 42 0.00
n/a 44 0.00
64 44 0.00
61 57 0.22
65 42 0.00
65 37 0.00
63 36 0.00
64 45 0.00
64 48 0.00
62 44 0.00
61 37 0.00
62 38 0.00
64 32 0.00
64 32 0.00
63 32 0.00
n/a 32 0.15
60 31 0.00
60 35 0.24
57 35 0.00
57 40 0.00
65 35 0.00
65 35 0.00
66 34 0.00
66 36 0.00
60 36 0.00
70 42 0.00
73 40 0.00
68 33 0.00
December 2009 Petaluma Weather
Day High (°F) Low (°F) Precip. (inches)
64 32 0.00
n/a 32 0.00
49 39 0.00
56 34 0.00
54 34 0.00
51 27 0.00
47 34 0.12
44 22 0.00
46 20 0.00
49 37 0.00
47 37 0.07
54 43 0.73
54 43 0.34
55 43 0.00
55 45 0.00
55 50 0.31
58 47 0.00
62 43 0.00
62 46 0.00
56 44 0.04
58 50 0.10
53 37 0.00
56 33 0.00
n/a n/a n/a
57 28 0.00
53 34 0.00
53 45 0.12
51 42 0.00
n/a 32 0.00
56 45 0.18
56 45 0.00
Weather Station Details
Years Station Coordinates
1893–2024 Petaluma Airport location