Riverside Weather in 1939

Historical record of Riverside, California weather for the year 1939 based on NOAA data.
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1939 Riverside Weather Extremes
Highest temperature 107 °F September 22
Lowest temperature 28 °F February 9
Highest daily low 80 °F September 21
Lowest daily high 46 °F February 4
Most daily precipitation 1.0 inches January 21
Most daily snow none -
Total annual precipitation 7.8 inches -
Total annual snow none -
Highest Temperatures in Riverside in 1939
Rank Temperature Date
1 107 °F Sep 22
1 107 °F Sep 18
3 106 °F Sep 19
3 106 °F Jul 13
3 106 °F Jul 12
6 105 °F Sep 23
6 105 °F Sep 21
6 105 °F Sep 20
6 105 °F Sep 17
10 104 °F Sep 9
Lowest Temperatures in Riverside in 1939
Rank Temperature Date
1 28 °F February 9
2 29 °F March 2
2 29 °F February 28
2 29 °F February 10
5 30 °F March 6
5 30 °F March 5
7 31 °F December 27
7 31 °F February 23
7 31 °F February 12
10 32 °F December 26
10 32 °F March 7
10 32 °F March 3
10 32 °F February 21
10 32 °F February 11
10 32 °F February 5
10 32 °F February 1
10 32 °F January 17
10 32 °F January 15
January 1939 Riverside Weather
Day High (°F) Low (°F) Precip. (inches)
78 36 0.00
77 36 0.00
68 38 0.06
60 38 0.00
63 38 0.00
54 40 0.68
60 45 0.00
69 38 0.00
60 37 0.00
60 43 0.00
68 47 0.00
73 36 0.00
70 38 0.00
71 33 0.00
71 32 0.00
63 40 0.00
67 32 0.00
72 34 0.00
78 36 0.00
77 41 0.00
63 48 1.04
51 43 0.32
52 39 0.00
70 45 0.00
70 41 0.00
76 34 0.00
77 34 0.00
66 39 0.00
65 34 0.00
59 37 0.00
53 37 0.40
February 1939 Riverside Weather
Day High (°F) Low (°F) Precip. (inches)
54 32 0.10
53 33 0.00
56 34 0.88
46 40 0.30
57 32 0.08
61 33 0.00
58 41 0.00
60 42 0.19
53 28 0.00
53 29 0.05
50 32 0.00
66 31 0.00
72 33 0.00
65 37 0.00
72 36 0.00
72 51 0.00
59 46 0.00
65 37 0.00
66 40 0.00
52 35 0.03
71 32 0.00
74 37 0.00
80 31 0.00
70 36 0.00
64 33 0.00
69 36 0.00
62 35 0.00
65 29 0.00
March 1939 Riverside Weather
Day High (°F) Low (°F) Precip. (inches)
62 35 0.00
66 29 0.00
67 32 0.00
60 33 0.00
62 30 0.00
74 30 0.00
73 32 0.00
64 36 0.00
67 35 0.00
68 44 0.31
61 33 0.00
74 36 0.00
77 38 0.00
74 43 0.00
74 41 0.00
90 41 0.00
91 41 0.00
74 50 0.00
78 45 0.00
66 50 0.00
72 52 0.00
64 50 0.00
61 48 0.00
60 51 0.00
69 53 0.00
61 50 0.43
59 49 0.40
62 45 0.00
61 41 0.00
65 43 0.00
76 45 0.00
April 1939 Riverside Weather
Day High (°F) Low (°F) Precip. (inches)
85 46 0.00
85 52 0.16
68 51 0.02
68 55 0.00
75 50 0.00
89 51 0.00
89 43 0.00
90 45 0.00
90 47 0.00
85 47 0.00
83 55 0.00
76 55 0.00
70 50 0.00
60 45 0.11
59 39 0.00
73 42 0.00
82 43 0.00
91 46 0.00
96 45 0.00
87 45 0.00
89 49 0.00
84 49 0.00
70 50 0.20
67 50 0.00
72 50 0.00
65 49 0.00
76 45 0.00
85 49 0.00
83 52 0.00
80 52 0.00
May 1939 Riverside Weather
Day High (°F) Low (°F) Precip. (inches)
85 49 0.00
77 49 0.00
78 43 0.00
87 45 0.00
85 50 0.00
76 53 0.00
73 47 0.00
81 50 0.00
81 46 0.00
81 51 0.00
72 50 0.00
71 49 0.00
82 56 0.00
72 55 0.00
67 55 0.00
73 56 0.00
77 57 0.00
79 49 0.00
75 50 0.00
81 45 0.00
83 43 0.00
79 45 0.00
76 44 0.00
80 44 0.00
94 47 0.00
97 50 0.00
97 49 0.00
94 51 0.00
92 53 0.00
89 58 0.00
80 58 0.00
June 1939 Riverside Weather
Day High (°F) Low (°F) Precip. (inches)
75 55 0.00
86 50 0.00
89 60 0.00
90 58 0.00
79 54 0.00
79 45 0.00
81 45 0.00
88 49 0.00
97 50 0.00
94 50 0.00
93 53 0.00
96 52 0.00
95 55 0.00
92 48 0.00
80 53 0.00
81 50 0.00
78 52 0.00
84 47 0.00
90 50 0.00
85 57 0.00
87 54 0.00
91 55 0.00
86 57 0.00
86 60 0.00
85 57 0.00
89 50 0.00
92 51 0.00
92 53 0.00
93 53 0.00
99 59 0.00
July 1939 Riverside Weather
Day High (°F) Low (°F) Precip. (inches)
98 58 0.00
95 56 0.00
88 58 0.00
84 57 0.00
82 57 0.00
82 57 0.00
89 55 0.00
94 56 0.00
94 63 0.00
95 60 0.00
97 60 0.00
106 64 0.00
106 62 0.00
98 57 0.00
97 56 0.00
98 57 0.00
92 57 0.00
90 59 0.00
90 57 0.00
95 55 0.00
96 61 0.00
96 59 0.00
94 62 0.00
96 63 0.00
97 60 0.00
97 56 0.00
99 59 0.00
94 63 0.00
95 62 0.00
94 60 0.00
90 56 0.00
August 1939 Riverside Weather
Day High (°F) Low (°F) Precip. (inches)
92 58 0.00
96 62 0.00
85 68 0.00
94 64 0.00
96 60 0.00
93 60 0.00
90 62 0.00
89 58 0.00
90 56 0.00
93 56 0.00
94 54 0.00
95 56 0.00
101 59 0.00
97 60 0.00
93 58 0.00
92 57 0.00
93 59 0.00
99 61 0.00
93 60 0.00
92 60 0.00
94 55 0.00
98 58 0.00
100 64 0.00
96 62 0.00
98 63 0.00
103 62 0.00
103 59 0.00
101 57 0.00
100 59 0.00
99 55 0.00
103 53 0.00
September 1939 Riverside Weather
Day High (°F) Low (°F) Precip. (inches)
103 56 0.00
99 51 0.00
92 53 0.00
89 56 0.00
92 60 0.00
85 67 0.21
87 64 0.00
92 60 0.00
104 63 0.00
90 71 0.00
87 71 0.00
89 65 0.16
78 61 0.00
78 45 0.00
89 49 0.00
98 52 0.00
105 56 0.00
107 65 0.00
106 65 0.00
105 70 0.00
105 80 0.00
107 63 0.00
105 67 0.02
103 66 0.57
88 65 0.23
72 61 0.00
81 54 0.00
82 57 0.00
81 57 0.00
88 53 0.00
October 1939 Riverside Weather
Day High (°F) Low (°F) Precip. (inches)
86 60 0.00
78 60 0.00
78 51 0.00
76 43 0.00
84 43 0.00
84 50 0.00
74 50 0.04
60 45 0.00
75 46 0.00
88 43 0.00
92 45 0.00
96 48 0.00
97 50 0.00
97 50 0.00
97 50 0.00
95 50 0.00
93 48 0.00
91 46 0.00
89 45 0.00
84 47 0.00
97 50 0.00
97 50 0.00
100 48 0.00
86 54 0.00
75 51 0.00
73 39 0.00
75 40 0.00
86 42 0.00
89 46 0.00
94 51 0.00
96 51 0.00
November 1939 Riverside Weather
Day High (°F) Low (°F) Precip. (inches)
96 45 0.00
89 43 0.00
82 49 0.00
82 48 0.00
86 55 0.00
75 53 0.00
77 51 0.00
84 54 0.00
61 56 0.27
74 51 0.00
83 43 0.00
86 40 0.00
84 45 0.00
82 40 0.00
84 43 0.00
84 39 0.00
82 38 0.00
83 39 0.00
86 37 0.00
84 35 0.00
86 37 0.00
87 39 0.00
89 39 0.00
88 56 0.00
73 44 0.00
75 43 0.00
72 44 0.00
72 48 0.17
66 40 0.00
74 40 0.00
December 1939 Riverside Weather
Day High (°F) Low (°F) Precip. (inches)
77 39 0.00
84 42 0.00
85 43 0.00
88 44 0.00
90 43 0.00
85 50 0.00
77 45 0.00
78 47 0.00
76 53 0.00
70 39 0.00
74 50 0.00
73 43 0.00
78 38 0.00
81 37 0.00
83 38 0.00
86 39 0.00
85 38 0.00
85 40 0.00
86 44 0.00
87 38 0.00
82 45 0.00
77 48 0.00
69 40 0.00
60 37 0.41
62 36 0.00
64 32 0.00
64 31 0.00
65 43 0.00
70 39 0.00
75 40 0.00
78 40 0.00
Weather Station Details
Years Station Coordinates
1999–2024 Riverside Municipal Airport location
1893–1998 Riverside Fire Station location