Napa Weather in 1975

Historical record of Napa, California weather for the year 1975 based on NOAA data.
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1975 Napa Weather Extremes
Highest temperature 101 °F July 25
Lowest temperature 25 °F January 30
Highest daily low 66 °F May 29
Lowest daily high 49 °F January 31
Most daily precipitation 1.4 inches March 8
Most daily snow none -
Total annual precipitation 22.7 inches -
Total annual snow none -
Highest Temperatures in Napa in 1975
Rank Temperature Date
1 101 °F Jul 25
2 99 °F Aug 2
3 98 °F Sep 24
4 97 °F Sep 25
4 97 °F Jul 26
4 97 °F May 29
7 96 °F Sep 4
7 96 °F Sep 3
7 96 °F Aug 8
7 96 °F May 30
Lowest Temperatures in Napa in 1975
Rank Temperature Date
1 25 °F January 30
2 27 °F January 28
3 28 °F November 29
4 29 °F December 15
4 29 °F January 29
6 30 °F January 3
7 31 °F December 17
7 31 °F November 28
7 31 °F November 22
7 31 °F January 16
January 1975 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
58 34 0.00
64 33 0.00
55 30 0.00
56 41 0.06
53 34 0.02
59 48 0.96
55 47 0.00
59 48 0.31
54 35 0.00
55 41 0.04
58 40 0.00
56 34 0.00
62 32 0.00
63 32 0.00
57 33 0.00
59 31 0.00
55 33 0.00
58 34 0.00
56 36 0.00
57 35 0.00
63 35 0.00
58 36 0.00
63 35 0.00
69 37 0.00
64 36 0.00
60 45 0.00
55 36 0.00
52 27 0.05
51 29 0.00
54 25 0.00
49 32 0.95
February 1975 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
51 42 0.47
56 44 0.70
50 40 0.20
55 41 0.64
52 42 0.03
50 45 0.08
56 49 0.43
64 53 0.15
61 50 0.82
58 48 0.46
60 38 0.00
55 47 1.42
63 52 1.08
62 36 0.00
61 40 0.00
58 37 0.00
58 39 0.00
58 35 0.00
55 50 0.31
59 36 0.00
59 37 0.00
64 37 0.00
69 35 0.00
67 37 0.00
68 35 0.00
68 35 0.00
67 38 0.00
73 42 0.00
March 1975 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
72 45 0.12
64 52 0.20
72 40 0.00
72 42 0.00
58 48 0.08
64 49 0.07
64 51 0.80
63 50 1.42
59 44 0.00
59 43 0.42
72 41 0.00
65 38 0.00
59 40 0.61
60 35 0.02
59 44 0.00
57 37 0.57
55 41 0.03
63 51 0.05
62 51 0.05
60 36 0.00
56 41 1.25
59 40 0.60
59 41 0.00
57 48 0.23
68 46 0.65
63 40 0.00
60 36 0.00
60 42 0.00
76 41 0.00
69 40 0.00
70 41 0.00
April 1975 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
70 40 0.00
63 37 0.00
58 44 0.00
56 41 0.15
54 38 0.52
58 38 0.07
56 37 0.04
54 43 0.13
65 35 0.01
62 38 0.00
69 37 0.00
75 41 0.00
70 49 0.00
69 43 0.00
60 34 0.00
60 35 0.11
64 33 0.11
61 36 0.00
68 44 0.00
70 46 0.00
73 42 0.00
67 41 0.00
64 42 0.00
62 47 0.16
62 37 0.00
67 35 0.00
70 40 0.00
75 41 0.00
74 40 0.00
71 43 0.00
May 1975 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
67 50 0.00
65 48 0.00
62 50 0.03
64 34 0.00
68 36 0.00
70 40 0.00
69 43 0.00
67 48 0.00
70 49 0.00
70 49 0.00
79 50 0.00
88 48 0.00
86 52 0.00
67 50 0.00
70 46 0.00
73 52 0.00
83 50 0.00
81 51 0.00
75 53 0.00
73 47 0.00
82 45 0.00
76 51 0.00
75 54 0.00
86 51 0.00
89 49 0.00
86 52 0.00
88 52 0.00
95 58 0.00
97 66 0.00
96 55 0.00
78 58 0.00
June 1975 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
74 51 0.00
71 52 0.00
83 52 0.00
85 60 0.00
74 53 0.00
71 53 0.00
73 51 0.00
85 50 0.00
90 51 0.00
90 55 0.00
80 44 0.00
80 51 0.00
86 53 0.00
84 54 0.00
82 53 0.00
74 52 0.00
74 49 0.00
72 47 0.00
69 51 0.00
71 52 0.00
72 50 0.00
71 49 0.00
72 50 0.00
69 49 0.00
78 58 0.00
80 46 0.00
80 47 0.00
85 48 0.00
83 44 0.00
84 49 0.00
July 1975 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
81 43 0.00
77 45 0.00
72 47 0.00
68 53 0.00
90 51 0.00
88 50 0.00
86 49 0.00
83 50 0.00
76 51 0.00
77 55 0.00
78 53 0.00
79 52 0.00
77 54 0.00
72 54 0.00
72 55 0.14
81 56 0.00
79 54 0.00
80 54 0.00
81 52 0.00
81 55 0.00
79 56 0.00
91 53 0.00
88 53 0.00
95 55 0.00
101 58 0.00
97 55 0.00
92 56 0.00
71 56 0.00
77 55 0.00
80 52 0.00
92 52 0.00
August 1975 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
95 55 0.00
99 55 0.00
95 57 0.00
86 52 0.00
75 53 0.00
78 51 0.00
91 48 0.00
96 55 0.00
94 53 0.00
81 52 0.00
78 53 0.00
71 56 0.00
72 53 0.00
70 51 0.00
70 49 0.00
70 51 0.00
78 54 0.00
75 58 0.00
79 54 0.00
83 52 0.00
82 55 0.00
85 52 0.00
84 51 0.00
86 54 0.00
84 54 0.00
75 52 0.00
72 56 0.00
82 54 0.00
82 47 0.00
82 49 0.00
80 50 0.00
September 1975 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
82 48 0.00
89 49 0.00
96 52 0.00
96 54 0.00
95 55 0.00
88 52 0.00
82 53 0.00
69 52 0.00
75 58 0.00
74 59 0.00
73 53 0.00
73 53 0.00
75 55 0.00
75 54 0.00
78 49 0.00
79 49 0.00
77 50 0.00
74 51 0.00
75 51 0.00
78 49 0.00
75 54 0.00
76 55 0.00
93 53 0.00
98 55 0.00
97 54 0.00
88 48 0.00
74 48 0.00
71 48 0.00
79 52 0.00
79 46 0.00
October 1975 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
71 48 0.00
78 48 0.00
82 47 0.00
89 48 0.00
86 43 0.00
84 51 0.00
70 41 0.04
70 42 0.00
65 51 0.63
68 54 0.90
67 49 0.19
65 44 0.01
70 50 0.00
77 46 0.00
79 46 0.00
82 49 0.00
80 48 0.00
77 53 0.00
79 51 0.00
84 51 0.00
79 51 0.00
74 42 0.00
73 40 0.00
70 49 0.00
65 46 0.00
67 42 1.04
68 42 0.00
69 39 0.00
67 38 0.00
68 52 0.83
69 50 0.00
November 1975 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
71 40 0.00
73 43 0.00
77 43 0.00
77 45 0.00
66 49 0.00
66 40 0.00
62 49 0.14
64 43 0.00
63 34 0.00
61 47 0.21
63 35 0.00
69 34 0.00
69 33 0.00
72 38 0.00
58 48 0.33
65 44 0.04
60 33 0.00
57 33 0.00
57 35 0.00
56 48 0.07
60 32 0.00
58 31 0.00
65 34 0.00
65 35 0.00
77 36 0.00
70 43 0.00
60 41 0.00
58 31 0.00
58 28 0.00
56 33 0.00
December 1975 Napa Weather
Day High (°F) Low (°F) Precip. (inches)
64 36 0.00
66 35 0.00
66 35 0.00
58 40 0.00
60 51 0.05
61 50 0.00
68 37 0.00
67 35 0.00
58 37 0.00
51 38 0.00
50 43 0.03
59 40 0.00
58 33 0.00
59 35 0.00
60 29 0.00
61 32 0.00
64 31 0.00
63 32 0.00
67 32 0.00
59 32 0.00
57 36 0.05
60 45 0.33
61 35 0.00
61 36 0.00
56 36 0.00
57 40 0.00
60 46 0.00
75 39 0.00
67 43 0.00
59 37 0.00
55 39 0.00
Weather Station Details
Years Station Coordinates
1999–2024 Napa County Airport location
1901–1998 Napa State Hospital location