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Half Moon Bay Weather in 1981

Historical record of Half Moon Bay, California weather for the year 1981 based on NOAA data.
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1981 Half Moon Bay Weather Extremes
Highest temperature 79 °F November 1
Lowest temperature 36 °F October 20
Highest daily low 61 °F November 17
Lowest daily high 54 °F March 20
Most daily precipitation 3.0 inches January 27
Most daily snow none -
Total annual precipitation 33.0 inches -
Total annual snow none -
January 1981 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
January 1
60 43 0.00
January 2
61 44 0.00
January 3
58 48 0.06
January 4
62 49 0.00
January 5
65 45 0.00
January 6
62 46 0.00
January 7
56 44 0.00
January 8
61 44 0.00
January 9
58 43 0.00
January 10
57 43 0.00
January 11
61 43 0.00
January 12
61 51 0.00
January 13
64 48 0.00
January 14
67 48 0.00
January 15
64 45 0.00
January 16
61 53 0.35
January 17
62 50 0.04
January 18
62 48 0.00
January 19
63 47 0.05
January 20
61 52 0.02
January 21
65 53 0.00
January 22
63 55 1.65
January 23
57 52 0.27
January 24
58 42 0.02
January 25
58 39 0.00
January 26
55 40 0.30
January 27
58 50 3.03
January 28
57 50 0.94
January 29
55 45 0.67
January 30
57 45 0.08
January 31
58 37 0.00
February 1981 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
February 1
65 39 0.00
February 2
64 45 0.00
February 3
61 40 0.00
February 4
61 46 0.00
February 5
60 41 0.00
February 6
60 40 0.00
February 7
60 48 0.00
February 8
57 48 0.30
February 9
61 50 0.44
February 10
61 55 0.00
February 11
58 52 0.18
February 12
63 46 0.02
February 13
64 51 0.21
February 14
62 51 0.47
February 15
61 47 0.00
February 16
63 44 0.00
February 17
66 46 0.00
February 18
68 47 0.00
February 19
63 51 0.05
February 20
63 45 0.00
February 21
69 52 0.00
February 22
73 45 0.00
February 23
63 40 0.00
February 24
55 47 0.17
February 25
57 41 0.32
February 26
57 40 0.16
February 27
60 44 0.00
February 28
56 44 0.10
March 1981 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
March 1
57 49 0.20
March 2
62 50 0.00
March 3
60 52 0.00
March 4
54 49 0.42
March 5
59 40 0.00
March 6
59 41 0.00
March 7
59 43 0.00
March 8
63 46 0.00
March 9
64 46 0.00
March 10
60 41 0.00
March 11
60 47 0.00
March 12
59 49 0.00
March 13
60 50 0.82
March 14
61 44 0.00
March 15
56 44 0.57
March 16
62 40 0.00
March 17
66 46 0.00
March 18
59 43 0.57
March 19
57 48 0.04
March 20
54 41 0.38
March 21
60 48 0.90
March 22
63 49 0.00
March 23
61 41 0.00
March 24
61 44 0.02
March 25
59 52 0.47
March 26
57 45 0.22
March 27
60 50 0.10
March 28
73 42 0.00
March 29
68 41 0.00
March 30
58 49 0.00
March 31
60 53 0.00
April 1981 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
April 1
56 39 0.08
April 2
58 38 0.00
April 3
59 39 0.00
April 4
63 39 0.00
April 5
63 40 0.00
April 6
59 40 0.00
April 7
66 46 0.00
April 8
58 44 0.00
April 9
58 47 0.00
April 10
56 46 0.00
April 11
60 41 0.00
April 12
62 38 0.00
April 13
66 44 0.00
April 14
59 48 0.00
April 15
66 42 0.00
April 16
69 45 0.00
April 17
58 50 0.00
April 18
56 49 0.09
April 19
58 48 0.05
April 20
58 49 0.00
April 21
60 44 0.00
April 22
65 48 0.00
April 23
58 52 0.00
April 24
58 52 0.00
April 25
57 49 0.02
April 26
59 45 0.00
April 27
60 41 0.00
April 28
68 45 0.00
April 29
70 48 0.00
April 30
70 47 0.00
May 1981 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
May 1
66 51 0.00
May 2
59 49 0.00
May 3
58 47 0.00
May 4
58 47 0.00
May 5
58 44 0.00
May 6
60 39 0.00
May 7
59 38 0.00
May 8
64 39 0.00
May 9
63 46 0.00
May 10
61 49 0.00
May 11
63 43 0.00
May 12
58 38 0.00
May 13
60 48 0.00
May 14
58 51 0.05
May 15
59 48 0.00
May 16
60 48 0.00
May 17
60 43 0.03
May 18
61 51 0.22
May 19
61 51 0.00
May 20
61 50 0.00
May 21
59 51 0.00
May 22
60 51 0.00
May 23
61 49 0.00
May 24
64 52 0.00
May 25
63 54 0.00
May 26
63 52 0.00
May 27
61 53 0.00
May 28
61 52 0.00
May 29
63 52 0.03
May 30
60 49 0.00
May 31
62 49 0.00
June 1981 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
June 1
63 52 0.00
June 2
63 53 0.00
June 3
62 48 0.00
June 4
70 48 0.00
June 5
67 48 0.00
June 6
66 49 0.00
June 7
67 51 0.00
June 8
74 56 0.00
June 9
67 52 0.00
June 10
64 53 0.00
June 11
65 48 0.00
June 12
64 51 0.00
June 13
63 49 0.00
June 14
70 45 0.00
June 15
n/a 46 0.00
June 16
62 47 0.00
June 17
65 45 0.00
June 18
69 42 0.00
June 19
73 50 0.00
June 20
71 50 0.00
June 21
73 49 0.00
June 22
66 49 0.00
June 23
61 49 0.00
June 24
62 52 0.00
June 25
62 52 0.00
June 26
63 49 0.00
June 27
61 48 0.00
June 28
63 49 0.00
June 29
68 54 0.00
June 30
60 52 0.00
July 1981 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
July 1
64 52 0.00
July 2
61 53 0.00
July 3
64 53 0.00
July 4
70 52 0.00
July 5
64 52 0.00
July 6
71 54 0.00
July 7
69 46 0.00
July 8
67 51 0.00
July 9
66 48 0.00
July 10
64 48 0.00
July 11
62 50 0.00
July 12
66 46 0.00
July 13
65 47 0.00
July 14
67 47 0.00
July 15
64 51 0.00
July 16
60 52 0.00
July 17
58 52 0.00
July 18
62 52 0.00
July 19
61 50 0.00
July 20
61 50 0.00
July 21
60 50 0.00
July 22
61 51 0.00
July 23
61 52 0.00
July 24
61 52 0.00
July 25
60 52 0.00
July 26
62 52 0.00
July 27
64 54 0.00
July 28
61 53 0.00
July 29
62 52 0.00
July 30
62 53 0.00
July 31
59 53 0.00
August 1981 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
August 1
67 53 0.00
August 2
65 55 0.00
August 3
65 55 0.00
August 4
63 54 0.05
August 5
64 52 0.06
August 6
63 51 0.00
August 7
65 51 0.00
August 8
70 51 0.00
August 9
70 52 0.00
August 10
65 54 0.00
August 11
66 57 0.00
August 12
64 55 0.08
August 13
63 56 0.10
August 14
67 55 0.00
August 15
66 54 0.00
August 16
63 54 0.00
August 17
63 55 0.00
August 18
62 55 0.13
August 19
69 48 0.00
August 20
71 48 0.00
August 21
70 52 0.00
August 22
66 50 0.00
August 23
68 51 0.00
August 24
66 58 0.00
August 25
68 51 0.00
August 26
66 46 0.00
August 27
68 41 0.00
August 28
65 46 0.00
August 29
64 45 0.00
August 30
65 45 0.00
August 31
66 50 0.00
September 1981 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
September 1
60 50 0.00
September 2
59 55 0.00
September 3
63 53 0.00
September 4
59 50 0.00
September 5
60 44 0.00
September 6
65 44 0.00
September 7
63 43 0.02
September 8
73 53 0.00
September 9
61 54 0.00
September 10
63 55 0.00
September 11
64 53 0.00
September 12
70 50 0.00
September 13
71 50 0.00
September 14
71 56 0.00
September 15
68 56 0.00
September 16
68 56 0.00
September 17
67 53 0.00
September 18
77 58 0.00
September 19
68 56 0.00
September 20
68 47 0.00
September 21
67 46 0.00
September 22
68 44 0.00
September 23
66 44 0.00
September 24
63 46 0.00
September 25
68 55 0.15
September 26
66 53 0.00
September 27
63 54 0.00
September 28
64 55 0.20
September 29
64 46 0.00
September 30
73 45 0.00
October 1981 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
October 1
74 45 0.00
October 2
71 52 0.01
October 3
63 53 0.24
October 4
63 46 0.00
October 5
64 45 0.00
October 6
63 46 0.00
October 7
65 50 0.36
October 8
64 50 0.00
October 9
66 47 0.00
October 10
64 55 0.17
October 11
62 55 0.00
October 12
63 44 0.00
October 13
63 43 0.00
October 14
64 42 0.00
October 15
66 42 0.00
October 16
65 42 0.00
October 17
64 47 0.00
October 18
62 46 0.00
October 19
59 48 0.00
October 20
59 36 0.00
October 21
57 41 0.00
October 22
59 49 0.00
October 23
59 43 0.00
October 24
62 43 0.00
October 25
61 54 0.00
October 26
62 54 0.00
October 27
64 57 0.31
October 28
62 53 2.35
October 29
61 41 0.54
October 30
66 43 0.00
October 31
73 52 0.00
November 1981 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
November 1
79 53 0.00
November 2
78 37 0.00
November 3
69 40 0.00
November 4
68 49 0.00
November 5
62 49 0.00
November 6
64 50 0.00
November 7
64 46 0.00
November 8
71 45 0.00
November 9
70 54 0.02
November 10
66 52 0.00
November 11
65 52 0.00
November 12
63 58 1.31
November 13
63 56 2.00
November 14
61 58 0.37
November 15
65 52 0.04
November 16
63 53 0.00
November 17
66 61 0.77
November 18
67 52 0.00
November 19
62 45 0.00
November 20
62 47 0.01
November 21
61 54 0.19
November 22
63 53 0.86
November 23
64 54 0.06
November 24
61 52 0.45
November 25
59 45 0.07
November 26
56 43 0.00
November 27
58 44 0.89
November 28
60 46 0.04
November 29
60 44 0.00
November 30
61 44 0.00
December 1981 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
December 1
60 42 0.00
December 2
60 48 0.00
December 3
63 46 0.00
December 4
60 43 0.00
December 5
61 45 0.00
December 6
61 44 0.00
December 7
62 51 0.00
December 8
63 43 0.00
December 9
64 44 0.24
December 10
59 43 0.39
December 11
60 43 0.00
December 12
61 41 0.18
December 13
61 53 0.12
December 14
61 55 0.15
December 15
60 50 0.10
December 16
60 46 0.00
December 17
65 54 0.00
December 18
58 48 0.13
December 19
66 55 0.00
December 20
n/a 55 2.10
December 21
58 39 0.00
December 22
59 40 0.07
December 23
57 42 0.00
December 24
59 43 0.00
December 25
59 43 0.00
December 26
58 52 0.02
December 27
57 49 0.10
December 28
56 40 0.00
December 29
56 40 2.15
December 30
56 49 0.15
December 31
57 49 0.10
Weather Station Details
Years Station Coordinates
1939–2022 Half Moon Bay location