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Half Moon Bay Weather in 1940

Historical record of Half Moon Bay, California weather for the year 1940 based on NOAA data.
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1940 Half Moon Bay Weather Extremes
Highest temperature 80 °F September 29
Lowest temperature 32 °F December 13
Highest daily low 61 °F September 16
Lowest daily high 51 °F January 21
Most daily precipitation 3.9 inches March 30
Total annual precipitation 34.0 inches -
January 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
January 1
60 55 1.80
January 2
58 54 0.65
January 3
59 48 0.42
January 4
59 52 1.03
January 5
57 42 0.75
January 6
53 41 0.18
January 7
59 47 0.83
January 8
58 54 0.96
January 9
58 51 0.60
January 10
58 50 1.06
January 11
58 55 0.21
January 12
55 47 n/a
January 13
55 42 n/a
January 14
56 39 n/a
January 15
54 43 n/a
January 16
58 45 n/a
January 17
58 44 n/a
January 18
53 37 n/a
January 19
51 37 n/a
January 20
52 38 n/a
January 21
51 36 n/a
January 22
52 39 n/a
January 23
54 45 0.05
January 24
56 47 0.00
January 25
58 51 1.07
January 26
61 54 0.32
January 27
65 52 n/a
January 28
60 54 n/a
January 29
69 55 n/a
January 30
62 51 n/a
January 31
63 53 0.30
February 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
February 1
62 52 0.45
February 2
58 45 0.00
February 3
61 53 0.54
February 4
60 54 0.00
February 5
60 50 0.08
February 6
59 52 0.27
February 7
57 45 0.00
February 8
60 44 0.00
February 9
59 43 0.00
February 10
58 45 0.00
February 11
58 38 0.00
February 12
58 39 0.00
February 13
57 43 0.22
February 14
55 47 0.91
February 15
55 40 0.00
February 16
58 42 0.00
February 17
58 50 0.82
February 18
57 39 0.02
February 19
58 42 0.00
February 20
60 47 0.00
February 21
64 51 0.00
February 22
56 50 0.00
February 23
60 52 0.11
February 24
64 51 0.05
February 25
59 55 0.96
February 26
58 53 0.98
February 27
60 53 2.24
February 28
62 54 0.68
February 29
58 45 0.00
March 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
March 1
61 43 0.00
March 2
62 45 0.00
March 3
67 42 0.00
March 4
63 45 0.00
March 5
68 45 0.00
March 6
68 44 0.00
March 7
68 49 0.00
March 8
59 50 0.00
March 9
56 46 0.00
March 10
55 44 0.08
March 11
56 39 0.00
March 12
61 38 0.00
March 13
66 44 0.00
March 14
67 45 0.00
March 15
60 41 0.16
March 16
58 50 0.14
March 17
69 44 0.00
March 18
62 46 0.00
March 19
63 50 0.00
March 20
61 53 0.00
March 21
58 47 0.00
March 22
60 46 0.00
March 23
62 46 0.00
March 24
60 50 0.14
March 25
60 50 0.03
March 26
59 53 0.63
March 27
60 53 0.28
March 28
60 50 0.38
March 29
60 50 0.63
March 30
58 50 3.85
March 31
58 45 0.00
April 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
April 1
59 50 0.00
April 2
59 51 0.00
April 3
61 48 0.05
April 4
60 45 0.00
April 5
60 47 0.00
April 6
61 44 0.00
April 7
62 50 0.00
April 8
63 55 0.11
April 9
64 47 0.00
April 10
66 47 0.00
April 11
80 47 0.00
April 12
78 54 0.00
April 13
77 48 0.00
April 14
59 52 0.00
April 15
61 47 0.00
April 16
67 40 0.00
April 17
65 43 0.00
April 18
65 44 0.00
April 19
62 44 0.00
April 20
75 42 0.00
April 21
57 39 0.00
April 22
62 50 0.00
April 23
60 50 0.00
April 24
60 47 0.00
April 25
57 46 0.32
April 26
59 47 0.00
April 27
59 49 0.00
April 28
61 49 0.00
April 29
61 50 0.00
April 30
68 50 0.00
May 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
May 1
61 46 0.00
May 2
62 41 0.10
May 3
65 46 0.00
May 4
63 49 0.27
May 5
62 43 0.00
May 6
62 45 0.00
May 7
64 51 0.00
May 8
69 47 0.00
May 9
64 46 0.00
May 10
64 47 0.00
May 11
61 47 0.04
May 12
61 50 0.00
May 13
64 42 0.00
May 14
65 46 0.00
May 15
61 46 0.00
May 16
62 51 0.00
May 17
60 52 0.00
May 18
64 53 0.00
May 19
62 50 0.00
May 20
60 52 0.00
May 21
64 53 0.00
May 22
63 54 0.00
May 23
60 52 0.00
May 24
63 52 0.00
May 25
64 50 0.00
May 26
61 49 0.00
May 27
58 51 0.00
May 28
58 51 0.00
May 29
65 44 0.00
May 30
67 55 0.00
May 31
69 52 0.00
June 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
June 1
66 56 0.00
June 2
64 53 0.00
June 3
60 54 0.00
June 4
64 50 0.00
June 5
66 45 0.00
June 6
66 46 0.00
June 7
67 43 0.00
June 8
62 44 0.00
June 9
64 48 0.00
June 10
62 52 0.00
June 11
63 52 0.00
June 12
65 52 0.00
June 13
65 50 0.00
June 14
63 49 0.00
June 15
63 51 0.00
June 16
67 55 0.00
June 17
68 56 0.00
June 18
68 50 0.00
June 19
70 54 0.00
June 20
66 53 0.00
June 21
63 45 0.00
June 22
62 53 0.00
June 23
63 51 0.00
June 24
63 53 0.00
June 25
62 53 0.00
June 26
67 50 0.00
June 27
64 47 0.00
June 28
66 53 0.00
June 29
64 56 0.00
June 30
65 56 0.00
July 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
July 1
66 56 0.00
July 2
68 53 0.00
July 3
64 53 0.00
July 4
65 54 0.00
July 5
72 46 0.00
July 6
66 51 0.00
July 7
64 52 0.00
July 8
63 53 0.00
July 9
66 54 0.00
July 10
65 46 0.00
July 11
67 55 0.00
July 12
69 56 0.00
July 13
65 55 0.00
July 14
63 55 0.00
July 15
65 55 0.00
July 16
63 55 0.00
July 17
63 53 0.00
July 18
68 50 0.00
July 19
66 56 0.00
July 20
68 53 0.00
July 21
67 55 0.00
July 22
65 56 0.00
July 23
67 52 0.00
July 24
69 47 0.00
July 25
70 47 0.00
July 26
63 56 0.00
July 27
64 55 0.00
July 28
63 55 0.00
July 29
65 55 0.00
July 30
66 55 0.00
July 31
66 55 0.00
August 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
August 1
66 56 0.00
August 2
65 52 0.00
August 3
63 53 0.00
August 4
65 53 0.00
August 5
66 55 0.00
August 6
70 55 0.00
August 7
64 53 0.00
August 8
65 53 0.00
August 9
67 54 0.00
August 10
68 47 0.00
August 11
63 53 0.00
August 12
65 55 0.00
August 13
64 54 0.00
August 14
60 54 0.00
August 15
62 54 0.00
August 16
71 58 0.00
August 17
70 50 0.00
August 18
68 50 0.00
August 19
66 58 0.00
August 20
73 53 0.00
August 21
68 53 0.00
August 22
66 55 0.00
August 23
62 54 0.00
August 24
66 55 0.00
August 25
62 54 0.00
August 26
68 55 0.00
August 27
64 53 0.00
August 28
64 54 0.00
August 29
62 53 0.00
August 30
65 52 0.00
August 31
64 54 0.00
September 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
September 1
68 56 0.00
September 2
69 57 0.00
September 3
68 52 0.00
September 4
65 50 0.00
September 5
68 55 0.08
September 6
67 55 0.22
September 7
70 55 0.00
September 8
70 55 0.00
September 9
69 54 0.00
September 10
72 55 0.00
September 11
70 57 0.00
September 12
73 60 0.00
September 13
72 60 0.00
September 14
73 60 0.00
September 15
72 56 0.00
September 16
74 61 0.00
September 17
71 59 0.07
September 18
69 56 0.00
September 19
70 49 0.00
September 20
68 53 0.00
September 21
65 53 0.00
September 22
64 56 0.00
September 23
70 52 0.00
September 24
70 51 0.00
September 25
68 50 0.00
September 26
71 55 0.00
September 27
69 50 0.00
September 28
69 48 0.00
September 29
80 47 0.00
September 30
71 46 0.00
October 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
October 1
66 46 0.00
October 2
68 52 0.00
October 3
63 45 0.00
October 4
64 43 0.00
October 5
63 45 0.00
October 6
66 45 0.00
October 7
67 44 0.11
October 8
65 54 0.00
October 9
65 53 0.00
October 10
66 47 0.00
October 11
75 47 0.00
October 12
64 50 0.00
October 13
67 43 0.00
October 14
63 41 0.00
October 15
59 41 0.00
October 16
70 50 0.00
October 17
74 54 0.00
October 18
79 50 0.00
October 19
78 53 0.00
October 20
67 54 0.00
October 21
64 51 0.00
October 22
65 52 0.00
October 23
65 49 0.00
October 24
65 56 0.54
October 25
62 52 0.00
October 26
62 48 0.00
October 27
62 42 0.00
October 28
64 44 0.46
October 29
65 52 0.00
October 30
65 45 0.00
October 31
63 49 0.00
November 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
November 1
60 41 0.00
November 2
63 49 0.12
November 3
59 41 0.02
November 4
60 41 0.00
November 5
59 44 0.10
November 6
67 51 0.13
November 7
66 58 0.07
November 8
60 44 0.00
November 9
58 45 0.07
November 10
59 41 0.00
November 11
60 40 0.00
November 12
66 50 0.00
November 13
65 55 0.00
November 14
73 57 0.00
November 15
75 57 0.00
November 16
74 53 0.00
November 17
64 51 0.00
November 18
64 46 0.00
November 19
65 50 0.00
November 20
58 38 0.00
November 21
58 38 0.00
November 22
59 42 0.00
November 23
62 40 0.00
November 24
68 39 0.00
November 25
60 42 0.00
November 26
65 40 0.00
November 27
67 42 0.00
November 28
71 53 0.00
November 29
62 46 0.00
November 30
67 46 0.00
December 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
December 1
70 43 0.00
December 2
70 48 0.00
December 3
69 48 0.00
December 4
72 42 0.00
December 5
64 43 0.00
December 6
66 47 0.00
December 7
65 47 0.00
December 8
68 47 0.00
December 9
63 46 0.00
December 10
67 41 0.00
December 11
57 38 0.00
December 12
53 40 0.00
December 13
52 32 0.00
December 14
55 39 0.00
December 15
53 43 0.04
December 16
61 46 0.25
December 17
63 54 0.38
December 18
63 55 0.50
December 19
66 48 0.00
December 20
65 55 0.00
December 21
61 55 1.33
December 22
61 50 0.22
December 23
62 50 1.15
December 24
60 50 0.40
December 25
55 49 0.41
December 26
58 n/a 0.00
December 27
59 53 0.33
December 28
56 51 1.18
December 29
60 52 0.00
December 30
57 50 0.00
December 31
56 39 0.00
Weather Station Details
Years Station Coordinates
1939–2022 Half Moon Bay location