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Half Moon Bay Weather in 1986

Historical record of Half Moon Bay, California weather for the year 1986 based on NOAA data.
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1986 Half Moon Bay Weather Extremes
Highest temperature 79 °F October 4
Lowest temperature 36 °F November 26
Highest daily low 58 °F August 16
Lowest daily high 50 °F November 23
Most daily precipitation 2.0 inches February 17
Most daily snow none -
Total annual precipitation 31.5 inches -
Total annual snow none -
January 1986 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
January 1
60 51 0.02
January 2
57 46 0.01
January 3
59 49 0.00
January 4
61 50 0.64
January 5
59 55 0.70
January 6
57 47 0.10
January 7
63 51 0.00
January 8
61 45 0.00
January 9
69 41 0.00
January 10
66 39 0.01
January 11
61 41 0.00
January 12
62 48 0.00
January 13
61 45 0.01
January 14
61 43 0.00
January 15
56 50 0.35
January 16
58 52 0.30
January 17
59 51 1.00
January 18
60 52 0.05
January 19
64 46 0.01
January 20
58 49 0.05
January 21
57 48 0.00
January 22
61 45 0.00
January 23
59 45 0.24
January 24
59 43 0.00
January 25
62 45 0.00
January 26
65 51 0.00
January 27
68 46 0.00
January 28
66 48 0.00
January 29
67 50 0.02
January 30
68 52 0.90
January 31
62 53 0.57
February 1986 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
February 1
59 47 0.59
February 2
59 50 0.37
February 3
59 49 0.38
February 4
57 44 0.41
February 5
58 45 0.05
February 6
57 40 0.04
February 7
58 43 0.00
February 8
58 36 0.00
February 9
58 37 0.00
February 10
60 39 0.00
February 11
58 42 0.00
February 12
57 50 0.05
February 13
60 52 0.76
February 14
62 55 1.48
February 15
68 54 1.34
February 16
59 54 0.33
February 17
58 50 2.03
February 18
59 n/a 1.68
February 19
62 53 1.77
February 20
62 53 0.11
February 21
59 50 0.04
February 22
62 47 0.01
February 23
63 50 0.00
February 24
69 48 0.00
February 25
69 49 0.00
February 26
73 52 0.00
February 27
78 53 0.00
February 28
67 49 0.04
March 1986 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
March 1
66 48 0.03
March 2
63 46 0.00
March 3
60 54 0.00
March 4
62 49 0.01
March 5
64 51 0.02
March 6
59 50 0.02
March 7
61 53 0.06
March 8
59 56 1.34
March 9
60 45 0.30
March 10
59 51 1.95
March 11
59 52 0.13
March 12
57 45 0.79
March 13
61 50 0.71
March 14
61 40 0.02
March 15
59 49 0.84
March 16
57 45 0.87
March 17
57 43 0.00
March 18
67 43 0.00
March 19
67 42 0.00
March 20
64 43 0.00
March 21
62 44 0.01
March 22
62 44 0.00
March 23
67 46 0.02
March 24
64 45 0.00
March 25
65 44 0.00
March 26
76 46 0.00
March 27
72 52 0.00
March 28
72 53 0.00
March 29
67 51 0.00
March 30
66 50 0.00
March 31
55 50 0.00
April 1986 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
April 1
57 38 0.00
April 2
58 40 0.00
April 3
59 49 0.00
April 4
57 50 0.02
April 5
59 50 0.22
April 6
63 43 0.01
April 7
59 47 0.00
April 8
64 44 0.00
April 9
61 49 0.01
April 10
62 47 0.00
April 11
56 49 0.00
April 12
58 39 0.00
April 13
64 43 0.00
April 14
61 48 0.00
April 15
56 46 0.11
April 16
56 45 0.05
April 17
59 41 0.00
April 18
62 42 0.00
April 19
65 46 0.00
April 20
67 48 0.00
April 21
60 50 0.04
April 22
57 47 0.00
April 23
59 42 0.00
April 24
57 49 0.04
April 25
58 39 0.00
April 26
59 41 0.00
April 27
59 47 0.00
April 28
59 39 0.00
April 29
59 39 0.00
April 30
61 44 0.00
May 1986 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
May 1
61 52 0.02
May 2
60 52 0.43
May 3
60 51 0.08
May 4
62 52 0.00
May 5
60 43 0.03
May 6
60 49 0.03
May 7
59 43 0.00
May 8
60 43 0.00
May 9
62 47 0.00
May 10
61 40 0.00
May 11
58 41 0.00
May 12
61 42 0.00
May 13
60 47 0.01
May 14
60 42 0.01
May 15
61 42 0.00
May 16
61 42 0.01
May 17
60 42 0.00
May 18
62 42 0.00
May 19
62 42 0.02
May 20
60 48 0.01
May 21
61 41 0.00
May 22
59 41 0.00
May 23
59 46 0.01
May 24
62 52 0.02
May 25
62 52 0.02
May 26
59 42 0.02
May 27
56 50 0.05
May 28
59 49 0.02
May 29
57 49 0.03
May 30
60 51 0.02
June 1986 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
June 1
62 50 0.02
June 2
66 n/a 0.02
June 3
61 55 0.00
June 4
65 54 0.02
June 5
67 55 0.01
June 6
67 54 0.00
June 7
66 54 0.00
June 8
68 n/a 0.00
June 9
68 54 0.00
June 10
68 51 0.00
June 11
68 49 0.00
June 12
65 55 0.00
June 13
69 55 0.00
June 14
68 55 0.00
June 15
64 53 0.00
June 16
68 53 0.00
June 17
68 55 0.00
June 18
65 45 0.00
June 19
66 49 0.00
June 20
62 50 0.00
June 21
64 49 0.00
June 22
69 49 0.00
June 23
63 52 0.02
June 24
64 54 0.00
June 25
61 54 0.00
June 26
68 55 0.00
June 28
64 52 0.00
June 29
65 54 0.00
June 30
67 48 0.00
July 1986 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
July 1
66 52 0.00
July 2
66 51 0.00
July 3
66 53 0.00
July 4
65 47 0.00
July 5
65 52 0.00
July 6
65 49 0.00
July 7
65 n/a 0.00
July 8
66 54 0.00
July 9
69 55 0.00
July 10
68 55 0.00
July 11
68 54 0.00
July 12
68 54 0.00
July 13
64 53 0.00
July 14
64 52 0.00
July 15
64 54 0.00
July 16
64 54 0.00
July 17
66 54 0.00
July 18
68 53 0.00
July 19
64 50 0.00
July 20
65 52 0.00
July 21
68 54 0.00
July 22
68 56 0.05
July 23
72 55 0.01
July 24
66 55 0.01
July 25
66 55 0.00
July 26
64 54 0.00
July 27
64 53 0.00
July 28
65 54 0.00
July 29
65 47 0.00
July 30
67 47 0.01
July 31
65 53 0.00
August 1986 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
August 1
65 53 0.03
August 2
66 52 0.01
August 3
67 53 0.02
August 4
65 53 0.03
August 5
66 53 0.01
August 6
64 54 0.00
August 7
64 52 0.01
August 8
64 53 0.02
August 9
64 54 0.01
August 10
66 54 0.00
August 11
63 52 0.03
August 12
69 53 0.03
August 13
63 53 0.01
August 14
64 56 0.01
August 15
65 57 0.00
August 16
72 58 0.00
August 17
70 49 0.00
August 18
70 49 0.00
August 19
67 n/a 0.00
August 20
66 55 0.00
August 21
66 54 0.00
August 22
66 53 0.00
August 23
62 51 0.00
August 24
68 55 0.01
August 25
68 54 0.00
August 26
68 55 0.00
August 27
65 55 0.00
August 28
68 56 0.00
August 29
64 55 0.00
August 30
64 54 0.01
August 31
63 53 0.01
September 1986 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
September 1
63 53 0.00
September 2
64 55 0.00
September 3
69 56 0.00
September 4
68 53 0.02
September 5
66 56 0.01
September 6
66 55 0.00
September 7
61 55 0.00
September 8
62 51 0.00
September 9
65 47 0.00
September 10
72 47 0.00
September 11
65 51 0.01
September 12
60 51 0.02
September 13
66 55 0.00
September 14
65 53 0.00
September 15
68 54 0.19
September 16
68 56 0.02
September 17
66 52 0.08
September 18
67 52 0.01
September 19
68 50 0.00
September 20
67 51 0.00
September 21
65 48 0.00
September 22
67 53 0.02
September 23
63 57 1.20
September 24
65 52 0.15
September 25
66 52 0.02
September 26
64 53 0.43
September 27
66 47 0.02
September 28
66 48 0.01
September 29
67 50 0.01
September 30
65 48 0.00
October 1986 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
October 1
65 50 0.00
October 2
70 48 0.00
October 3
77 48 0.00
October 4
79 48 0.00
October 5
67 50 0.02
October 6
69 48 0.02
October 7
64 n/a 0.01
October 8
62 50 0.01
October 9
59 50 0.00
October 10
59 54 0.00
October 11
67 48 0.00
October 12
67 47 0.00
October 13
66 47 0.00
October 14
66 45 0.00
October 15
62 49 0.00
October 16
62 53 0.02
October 17
65 48 0.00
October 18
60 n/a 0.00
October 19
59 52 0.00
October 20
63 50 0.00
October 21
65 51 0.02
October 22
60 51 0.01
October 23
61 52 0.00
October 24
68 51 0.01
October 25
68 50 0.01
October 26
64 55 0.02
October 27
64 49 0.00
October 28
58 47 0.00
October 29
62 50 0.26
October 30
64 46 0.01
October 31
65 46 0.00
November 1986 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
November 1
76 49 0.00
November 2
75 43 0.00
November 3
67 45 0.01
November 4
61 44 0.02
November 5
67 48 0.00
November 6
72 47 0.00
November 7
60 49 0.00
November 8
60 41 0.00
November 9
62 43 0.00
November 10
70 50 0.00
November 11
76 52 0.00
November 12
76 44 0.00
November 13
58 42 0.00
November 14
60 48 0.00
November 15
71 46 0.00
November 16
71 54 0.00
November 17
62 54 0.00
November 18
59 54 0.02
November 19
62 43 0.01
November 20
60 49 0.09
November 21
59 46 0.00
November 22
60 42 0.00
November 23
50 40 0.01
November 24
62 43 0.03
November 25
61 38 0.02
November 26
62 36 0.00
November 27
61 41 0.00
November 28
59 44 0.10
November 29
60 41 0.01
November 30
64 49 0.00
December 1986 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
December 1
67 44 0.00
December 2
67 40 0.00
December 3
62 45 0.00
December 4
60 n/a 0.72
December 5
61 44 0.01
December 6
62 42 0.00
December 7
64 38 0.00
December 8
59 40 0.00
December 9
64 41 0.00
December 10
65 39 0.00
December 11
57 41 0.00
December 12
55 43 0.00
December 13
57 45 1.00
December 14
53 46 0.00
December 15
53 43 0.00
December 16
54 49 0.30
December 17
67 48 0.50
December 18
64 43 0.02
December 19
58 42 0.02
December 20
59 39 0.02
December 21
62 42 0.04
December 22
55 45 0.31
December 23
60 41 0.00
December 24
59 44 0.00
December 25
61 41 0.00
December 26
58 44 0.00
December 27
57 42 0.01
December 28
55 43 0.00
December 29
65 47 0.00
December 30
59 48 0.00
December 31
60 46 0.15
Weather Station Details
Years Station Coordinates
1939–2022 Half Moon Bay location