Half Moon Bay Weather in 1989

Historical record of Half Moon Bay, California weather for the year 1989 based on NOAA data.
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1989 Half Moon Bay Weather Extremes
Highest temperature 82 °F April 8
Lowest temperature 28 °F February 5
Highest daily low 63 °F November 18
Lowest daily high 40 °F February 6
Most daily precipitation 1.9 inches November 25
Most daily snow none -
Total annual precipitation 18.4 inches -
Total annual snow none -
Highest Temperatures in Half Moon Bay in 1989
Rank Temperature Date
1 82 °F Apr 8
2 77 °F Nov 5
2 77 °F Nov 3
2 77 °F Sep 24
5 76 °F Nov 18
5 76 °F Nov 11
5 76 °F Nov 9
5 76 °F Nov 4
5 76 °F Jun 22
5 76 °F Jun 21
Lowest Temperatures in Half Moon Bay in 1989
Rank Temperature Date
1 28 °F February 5
2 29 °F February 6
3 30 °F February 4
4 32 °F February 7
4 32 °F January 13
6 33 °F January 5
7 34 °F December 28
7 34 °F January 14
7 34 °F January 12
7 34 °F January 7
January 1989 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
January 1
56 36 0.00
January 2
58 43 0.00
January 3
58 n/a 0.00
January 4
60 45 0.73
January 5
52 33 0.04
January 6
52 35 0.28
January 7
53 34 0.00
January 8
51 39 0.10
January 9
53 46 0.06
January 10
53 44 0.14
January 11
58 38 0.00
January 12
56 34 0.00
January 13
53 32 0.04
January 14
52 34 0.00
January 15
55 37 0.00
January 16
57 37 0.00
January 17
58 40 0.00
January 18
69 49 0.00
January 19
67 50 0.00
January 20
n/a 44 0.00
January 21
57 43 0.00
January 22
52 44 0.59
January 23
56 35 0.00
January 24
55 41 0.00
January 25
55 39 0.00
January 26
62 35 0.00
January 27
55 37 0.00
January 28
53 38 0.01
January 29
59 n/a 0.00
January 30
59 39 0.00
January 31
n/a 42 0.02
February 1989 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
February 1
51 36 0.12
February 2
51 40 0.29
February 3
48 36 0.23
February 4
42 30 0.00
February 5
44 28 0.00
February 6
40 29 0.00
February 7
48 32 0.00
February 8
44 36 0.48
February 9
55 38 0.02
February 10
60 36 0.00
February 11
n/a 36 0.00
February 12
61 38 0.00
February 13
56 37 0.00
February 14
56 35 0.00
February 15
56 41 0.00
February 16
55 37 0.01
February 17
56 43 0.00
February 18
52 47 0.09
February 19
59 42 0.00
February 20
59 42 0.01
February 21
63 46 0.00
February 22
65 37 0.00
February 23
56 38 0.01
February 24
55 41 0.00
February 25
63 40 0.01
February 26
58 37 0.00
February 27
58 40 0.00
February 28
52 45 0.03
March 1989 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
March 1
54 46 1.38
March 2
53 35 0.09
March 3
55 35 0.00
March 4
56 44 0.09
March 5
59 48 0.31
March 6
59 49 0.08
March 7
60 51 0.20
March 8
63 52 0.23
March 9
61 52 0.34
March 10
61 52 1.23
March 11
59 44 0.10
March 12
58 44 0.05
March 13
59 39 0.00
March 14
56 38 0.00
March 15
60 47 0.88
March 16
58 43 0.01
March 17
60 47 0.04
March 18
56 52 1.33
March 19
64 44 0.05
March 20
65 49 0.02
March 21
60 50 0.00
March 22
55 43 0.00
March 23
58 49 0.48
March 24
61 50 0.85
March 25
54 39 0.02
March 26
56 47 0.02
March 27
61 50 0.03
March 28
52 42 0.10
March 29
58 48 0.01
March 30
60 45 0.01
March 31
62 48 0.00
April 1989 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
April 1
60 50 0.07
April 2
60 48 0.08
April 3
60 42 0.01
April 4
74 49 0.00
April 5
n/a 51 0.00
April 6
n/a 49 0.00
April 7
74 48 0.01
April 8
82 50 0.00
April 9
72 48 0.01
April 10
61 48 0.00
April 11
59 48 0.00
April 12
59 49 0.00
April 13
62 54 0.01
April 14
62 50 0.00
April 15
60 48 0.00
April 16
60 49 0.00
April 17
61 43 0.00
April 18
65 47 0.02
April 19
64 51 0.02
April 20
63 54 0.02
April 21
62 45 0.00
April 22
62 50 0.17
April 23
59 40 0.50
April 24
56 40 0.82
April 25
60 41 0.04
April 26
62 39 0.00
April 27
61 40 0.00
April 28
65 46 0.00
April 29
62 50 0.04
April 30
64 43 0.01
May 1989 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
May 1
64 41 0.00
May 2
64 47 0.00
May 3
62 53 0.00
May 4
63 53 0.01
May 5
65 49 0.00
May 6
65 56 0.01
May 7
64 53 0.02
May 8
61 51 0.00
May 9
60 50 0.03
May 10
62 46 0.02
May 11
58 47 0.00
May 12
60 45 0.00
May 13
58 48 0.00
May 14
57 50 0.00
May 15
64 49 0.00
May 16
60 50 0.01
May 17
57 47 0.03
May 18
58 40 0.00
May 19
64 44 0.00
May 20
62 48 0.00
May 21
62 42 0.00
May 22
63 50 0.16
May 23
64 53 0.00
May 24
65 50 0.00
May 25
60 44 0.00
May 26
61 49 0.00
May 27
60 47 0.00
May 28
60 48 0.02
May 29
59 45 0.00
May 30
61 43 0.00
May 31
64 45 0.00
June 1989 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
June 1
67 48 0.00
June 2
61 50 0.00
June 3
65 51 0.01
June 4
63 43 0.00
June 5
71 54 0.00
June 6
70 51 0.00
June 7
58 51 0.00
June 8
56 50 0.00
June 9
57 50 0.00
June 10
58 50 0.00
June 11
60 50 0.00
June 12
65 49 0.00
June 13
62 50 0.00
June 14
64 52 0.02
June 15
67 46 0.01
June 16
66 44 0.00
June 17
64 46 0.00
June 18
64 50 0.00
June 19
63 43 0.00
June 20
66 44 0.00
June 21
76 48 0.00
June 22
76 52 0.00
June 23
64 54 0.00
June 24
68 n/a 0.00
June 25
71 52 0.00
June 26
66 53 0.00
June 27
66 54 0.00
June 28
65 51 0.00
June 29
72 57 0.04
June 30
67 46 0.02
July 1989 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
July 1
67 52 0.00
July 2
67 57 0.02
July 3
66 52 0.00
July 4
67 46 0.00
July 5
66 43 0.00
July 6
n/a n/a 0.00
July 7
72 47 0.00
July 8
64 52 0.00
July 9
66 42 0.00
July 10
65 55 0.00
July 11
61 52 0.03
July 12
61 52 0.02
July 13
61 52 0.00
July 14
66 50 0.02
July 15
n/a n/a 0.00
July 16
n/a n/a 0.00
July 17
66 54 0.00
July 18
64 52 0.00
July 19
64 51 0.00
July 20
63 52 0.00
July 21
n/a n/a n/a
July 22
n/a n/a n/a
July 23
68 43 n/a
July 24
65 50 0.00
July 25
61 51 0.00
July 26
63 51 0.00
July 27
66 47 0.00
July 28
60 52 0.00
July 29
64 51 0.00
July 30
67 52 0.01
July 31
67 52 0.00
August 1989 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
August 1
65 48 0.00
August 2
66 54 0.01
August 3
65 53 0.03
August 4
68 54 0.00
August 5
65 53 0.00
August 6
n/a n/a 0.00
August 7
65 54 0.00
August 8
67 53 0.00
August 9
64 53 0.00
August 10
65 52 0.02
August 11
60 52 0.00
August 12
66 52 0.00
August 13
67 46 0.00
August 14
71 46 0.00
August 15
64 51 0.00
August 16
63 54 0.00
August 17
64 55 0.00
August 18
66 52 0.01
August 19
66 54 0.01
August 20
66 57 0.00
August 21
68 55 0.00
August 22
68 55 0.18
August 23
62 47 0.00
August 24
68 54 0.00
August 25
n/a n/a n/a
August 26
62 52 n/a
August 27
66 52 0.00
August 28
65 52 0.00
August 29
67 53 0.00
August 30
65 52 0.00
August 31
68 51 0.00
September 1989 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
September 1
56 50 0.00
September 2
60 53 0.00
September 3
64 49 0.01
September 4
64 50 0.00
September 5
65 52 0.00
September 6
61 50 0.00
September 7
68 51 0.00
September 8
70 53 0.00
September 9
68 56 0.00
September 10
62 55 0.00
September 11
60 52 0.00
September 12
67 54 0.02
September 13
67 50 0.02
September 14
66 52 0.00
September 15
n/a n/a n/a
September 16
63 55 n/a
September 17
66 54 0.36
September 18
67 52 0.00
September 19
66 49 0.00
September 20
66 52 0.00
September 21
65 52 0.02
September 22
66 54 0.03
September 23
n/a n/a 0.00
September 24
77 49 0.00
September 25
70 49 0.00
September 26
68 52 0.00
September 27
68 54 0.00
September 28
64 52 0.00
September 29
68 53 0.00
September 30
67 56 0.00
October 1989 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
October 1
66 48 0.00
October 2
60 45 0.01
October 3
67 45 0.00
October 4
62 43 0.00
October 5
69 43 0.01
October 6
60 n/a 0.00
October 7
60 53 0.00
October 8
75 50 0.00
October 9
73 44 0.02
October 10
61 49 0.00
October 11
61 48 0.00
October 12
n/a 51 0.00
October 13
n/a n/a 0.00
October 14
n/a n/a 0.00
October 15
62 48 0.00
October 16
63 50 0.00
October 17
68 49 0.00
October 18
71 47 0.00
October 19
69 52 0.02
October 20
63 52 0.00
October 21
63 58 0.12
October 22
65 53 0.95
October 23
62 53 0.75
October 24
64 44 0.10
October 25
62 37 0.02
October 26
63 45 0.05
October 27
n/a n/a 0.00
October 28
n/a 50 0.00
October 29
68 44 0.00
October 30
72 49 0.00
October 31
74 57 0.00
November 1989 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
November 1
74 51 0.00
November 2
73 43 0.00
November 3
77 50 0.00
November 4
76 50 0.00
November 5
77 41 0.00
November 6
62 43 0.00
November 7
62 41 0.00
November 8
63 46 0.00
November 9
76 47 0.00
November 10
60 55 0.00
November 11
76 51 0.01
November 12
63 43 0.06
November 13
62 43 0.02
November 14
70 59 0.00
November 15
68 52 0.00
November 16
73 50 0.00
November 17
64 54 0.00
November 18
76 63 0.00
November 19
75 55 0.00
November 20
74 46 0.00
November 21
56 41 0.00
November 22
60 48 0.00
November 23
62 50 0.00
November 24
61 52 0.01
November 25
59 47 1.85
November 26
52 46 0.00
November 27
60 49 0.00
November 28
n/a n/a 0.00
November 29
64 47 0.00
November 30
64 47 0.00
December 1989 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
December 1
64 46 0.00
December 2
68 45 0.00
December 3
62 48 0.00
December 4
66 47 0.00
December 5
63 46 0.01
December 6
61 43 0.00
December 7
66 44 0.00
December 8
64 55 0.00
December 9
66 55 0.00
December 10
62 47 0.00
December 11
59 44 0.00
December 12
59 44 0.00
December 13
61 46 0.00
December 14
64 49 0.00
December 15
64 49 0.00
December 16
63 48 0.00
December 17
63 48 0.00
December 18
62 37 0.00
December 19
55 37 0.00
December 20
58 41 0.00
December 21
59 42 0.00
December 22
60 40 0.00
December 23
65 43 0.00
December 24
66 60 0.00
December 25
64 40 0.00
December 26
64 47 0.00
December 27
55 45 0.00
December 28
58 34 0.00
December 29
61 47 0.00
December 30
62 49 0.00
December 31
55 47 0.02
Weather Station Details
Years Station Coordinates
1939–2024 Half Moon Bay location