Half Moon Bay Weather in 1990

Historical record of Half Moon Bay, California weather for the year 1990 based on NOAA data.
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1990 Half Moon Bay Weather Extremes
Highest temperature 83 °F October 8
Lowest temperature 19 °F December 23
Highest daily low 58 °F September 1
Lowest daily high 42 °F December 23
Most daily precipitation 1.6 inches January 12
Most daily snow none -
Total annual precipitation 15.3 inches -
Total annual snow none -
Highest Temperatures in Half Moon Bay in 1990
Rank Temperature Date
1 83 °F Oct 8
2 79 °F May 1
3 77 °F Apr 30
4 76 °F Nov 12
5 74 °F Oct 7
6 73 °F Aug 2
7 72 °F Nov 3
7 72 °F Sep 22
7 72 °F Aug 27
7 72 °F Aug 18
7 72 °F Jul 14
7 72 °F Feb 24
Lowest Temperatures in Half Moon Bay in 1990
Rank Temperature Date
1 19 °F December 23
2 24 °F December 22
2 24 °F December 21
4 25 °F December 20
5 28 °F December 24
6 29 °F February 14
6 29 °F February 6
8 32 °F December 30
9 33 °F December 25
9 33 °F February 13
January 1990 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
January 1
66 38 0.41
January 2
55 35 0.02
January 3
56 38 0.00
January 4
58 39 0.00
January 5
n/a n/a n/a
January 6
60 56 n/a
January 7
57 53 0.06
January 8
62 49 0.01
January 9
64 49 0.00
January 10
62 46 0.00
January 11
60 50 0.16
January 12
58 52 1.58
January 13
61 55 0.81
January 14
61 44 0.35
January 15
52 46 0.13
January 16
53 40 0.06
January 17
56 37 0.00
January 18
61 37 0.00
January 19
n/a n/a n/a
January 20
62 44 0.00
January 21
61 38 0.00
January 22
58 40 0.00
January 23
65 50 0.00
January 24
65 46 0.00
January 25
66 40 0.00
January 26
55 38 0.01
January 27
60 43 0.00
January 28
61 42 0.00
January 29
60 42 0.28
January 30
56 39 0.11
January 31
53 40 0.28
February 1990 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
February 1
55 37 0.06
February 2
n/a n/a n/a
February 3
57 43 n/a
February 4
57 36 0.00
February 5
57 38 0.10
February 6
53 29 0.00
February 7
53 34 0.00
February 8
57 40 0.04
February 9
60 45 0.01
February 10
60 49 0.01
February 11
62 49 0.00
February 12
54 38 0.00
February 13
49 33 0.00
February 14
50 29 0.00
February 15
54 34 0.32
February 16
51 42 1.01
February 17
48 34 0.03
February 18
58 38 0.00
February 19
58 35 0.00
February 20
55 42 0.00
February 21
68 45 0.00
February 22
68 42 0.00
February 23
62 n/a 0.00
February 24
72 45 0.00
February 25
n/a 45 0.00
February 26
57 45 0.00
February 27
57 44 0.00
February 28
55 44 0.00
March 1990 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
March 1
55 46 0.00
March 2
56 49 0.40
March 3
60 47 0.01
March 4
60 44 0.22
March 5
56 49 0.00
March 6
59 42 0.00
March 7
57 43 0.09
March 8
55 34 0.00
March 9
56 46 0.16
March 10
56 46 0.33
March 11
57 40 0.01
March 12
53 35 0.00
March 13
56 41 0.00
March 14
57 46 0.03
March 15
56 43 0.00
March 16
65 49 0.00
March 17
61 48 0.03
March 18
61 39 0.00
March 19
57 41 0.00
March 20
60 43 0.00
March 21
57 40 0.00
March 22
59 47 0.04
March 23
54 47 0.01
March 24
65 49 0.00
March 25
59 45 0.00
March 26
58 45 0.00
March 27
55 46 0.00
March 28
59 46 0.00
March 29
57 47 0.00
March 30
59 48 0.00
March 31
62 51 0.00
April 1990 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
April 1
65 45 0.00
April 2
59 41 0.00
April 3
64 43 0.00
April 4
63 49 0.00
April 5
60 51 0.00
April 6
58 52 0.02
April 7
63 48 0.03
April 8
61 41 0.00
April 9
63 43 0.00
April 10
62 43 0.00
April 11
63 45 0.00
April 12
64 42 0.01
April 13
63 51 0.00
April 14
61 53 0.00
April 15
61 51 0.00
April 16
64 52 0.00
April 17
60 50 0.05
April 18
56 44 0.00
April 19
63 49 0.03
April 20
63 51 0.00
April 21
63 49 0.00
April 22
61 49 0.09
April 23
62 42 0.04
April 24
59 41 0.00
April 25
62 46 0.00
April 26
60 42 0.00
April 27
63 47 0.00
April 28
56 49 0.01
April 29
63 39 0.01
April 30
77 45 0.00
May 1990 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
May 1
79 42 0.00
May 2
60 48 0.00
May 3
60 45 0.01
May 4
57 50 0.02
May 5
58 50 0.00
May 6
59 42 0.00
May 7
59 40 0.00
May 8
59 48 0.00
May 9
61 47 0.00
May 10
60 49 0.00
May 11
59 46 0.00
May 12
57 45 0.00
May 13
57 47 0.00
May 14
59 48 0.00
May 15
55 48 0.00
May 16
56 48 0.00
May 17
56 47 0.00
May 18
53 49 0.00
May 19
60 52 0.18
May 20
59 50 0.19
May 21
64 51 0.01
May 22
63 50 0.40
May 23
60 53 0.01
May 24
59 41 0.00
May 25
60 54 0.03
May 26
65 55 0.50
May 27
60 51 1.28
May 28
60 52 0.01
May 29
63 53 0.14
May 30
63 48 0.04
May 31
63 45 0.00
June 1990 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
June 1
62 n/a 0.01
June 2
62 50 0.00
June 3
63 43 0.00
June 4
62 43 0.00
June 5
62 39 0.07
June 6
64 49 0.09
June 7
62 46 0.01
June 8
66 45 0.00
June 9
71 51 0.03
June 10
71 48 0.00
June 11
59 48 0.00
June 12
60 48 0.00
June 13
58 49 0.00
June 14
59 50 0.03
June 15
59 51 0.04
June 16
67 54 0.00
June 17
67 50 0.00
June 18
62 48 0.01
June 19
62 48 0.00
June 20
62 49 0.01
June 21
62 53 0.05
June 22
n/a 52 0.00
June 23
n/a 53 0.01
June 24
n/a 52 0.00
June 25
n/a n/a n/a
June 26
67 49 0.00
June 27
65 51 0.02
June 28
62 51 0.05
June 29
69 n/a 0.00
June 30
70 47 0.03
July 1990 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
July 1
70 47 0.00
July 2
64 43 0.02
July 3
n/a n/a 0.00
July 4
67 51 0.00
July 5
71 54 0.03
July 6
65 55 0.00
July 7
66 55 0.03
July 8
63 53 0.00
July 9
69 52 0.00
July 10
63 52 0.00
July 11
65 53 0.00
July 12
64 53 0.00
July 13
65 54 0.00
July 14
72 n/a 0.00
July 15
65 54 0.00
July 16
70 53 0.03
July 17
71 55 0.00
July 18
67 52 0.00
July 19
66 53 0.00
July 20
64 53 0.04
July 21
63 54 0.02
July 22
62 53 0.01
July 23
58 52 0.00
July 24
61 52 0.00
July 25
63 53 0.00
July 26
66 51 0.02
July 27
65 53 0.01
July 28
64 55 0.01
July 29
65 52 0.00
July 30
63 52 0.02
July 31
64 52 0.00
August 1990 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
August 1
n/a 53 0.00
August 2
73 55 0.00
August 3
66 54 0.00
August 4
65 53 0.00
August 5
64 52 0.00
August 6
65 52 0.00
August 7
67 53 0.01
August 8
66 54 0.00
August 9
65 55 0.00
August 10
64 54 0.01
August 11
63 53 0.00
August 12
66 54 0.00
August 13
63 55 0.00
August 14
64 55 0.00
August 15
69 56 0.00
August 16
69 58 0.02
August 17
70 57 0.03
August 18
72 n/a 0.00
August 19
67 57 0.00
August 20
70 n/a 0.00
August 21
67 54 0.00
August 22
66 54 0.01
August 23
62 55 0.00
August 24
69 56 0.00
August 25
65 57 0.00
August 26
69 56 0.00
August 27
72 53 0.00
August 28
67 56 0.00
August 29
69 57 0.06
August 30
69 58 0.00
August 31
66 58 0.00
September 1990 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
September 1
67 58 0.00
September 2
70 56 0.00
September 3
64 57 0.00
September 4
70 48 0.00
September 5
65 51 0.00
September 6
63 49 0.00
September 7
66 53 0.01
September 8
68 52 0.00
September 9
66 n/a 0.00
September 10
62 53 0.00
September 11
67 47 0.00
September 12
68 56 0.00
September 13
69 55 0.00
September 14
68 51 0.00
September 15
67 48 0.00
September 16
65 49 0.00
September 17
65 54 0.02
September 18
62 54 0.02
September 19
65 54 0.01
September 20
69 51 0.00
September 21
70 54 0.03
September 22
72 54 0.15
September 23
69 55 0.00
September 24
70 56 0.00
September 25
71 54 0.00
September 26
68 54 0.00
September 27
66 56 0.02
September 28
63 53 0.03
September 29
63 54 0.02
September 30
63 53 0.02
October 1990 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
October 1
62 50 0.00
October 2
63 46 0.01
October 3
69 51 0.00
October 4
70 54 0.00
October 5
63 46 0.00
October 6
70 49 0.00
October 7
74 50 0.00
October 8
83 42 0.00
October 9
71 42 0.00
October 10
63 44 0.01
October 11
69 n/a 0.00
October 12
64 47 0.02
October 13
62 44 0.00
October 14
60 43 0.01
October 15
61 51 0.01
October 16
64 40 0.00
October 17
64 42 0.00
October 18
66 49 0.05
October 19
60 47 0.00
October 20
61 46 0.00
October 21
65 41 0.00
October 22
59 47 0.00
October 23
59 41 0.01
October 24
63 42 0.02
October 25
58 45 0.01
October 26
59 43 0.00
October 27
60 44 0.00
October 28
61 41 0.02
October 29
62 47 0.00
October 30
65 51 0.37
October 31
59 39 0.01
November 1990 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
November 1
59 43 0.00
November 2
65 50 0.00
November 3
72 40 0.00
November 4
60 45 0.01
November 5
59 44 0.00
November 6
68 47 0.00
November 7
64 40 0.00
November 8
63 40 0.02
November 9
62 37 0.00
November 10
66 39 0.00
November 11
68 40 0.00
November 12
76 43 0.01
November 13
57 44 0.00
November 14
56 43 0.02
November 15
69 46 0.00
November 16
65 38 0.00
November 17
59 38 0.00
November 18
59 38 0.00
November 19
57 46 0.11
November 20
55 43 0.02
November 21
66 43 0.00
November 22
63 44 0.00
November 23
69 44 0.00
November 24
59 40 0.08
November 25
56 39 0.45
November 26
61 34 0.02
November 27
55 38 0.00
November 28
61 47 0.00
November 29
64 40 0.00
November 30
62 36 0.00
December 1990 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
December 1
57 36 0.00
December 2
64 36 0.00
December 3
63 39 0.00
December 4
57 41 0.00
December 5
65 39 0.00
December 6
65 50 0.00
December 7
67 44 0.00
December 8
63 41 0.00
December 9
62 42 0.00
December 10
57 44 0.82
December 11
56 39 0.02
December 12
54 35 0.00
December 13
55 34 0.00
December 14
55 34 0.75
December 15
56 36 0.85
December 16
54 35 0.02
December 17
56 38 0.00
December 18
55 41 0.11
December 19
48 34 0.01
December 20
46 25 0.00
December 21
42 24 0.00
December 22
42 24 0.00
December 23
42 19 0.00
December 24
49 28 0.00
December 25
56 33 0.00
December 26
58 36 0.00
December 27
59 35 0.00
December 28
52 36 0.00
December 29
52 38 0.00
December 30
55 32 0.00
December 31
57 36 0.00
Weather Station Details
Years Station Coordinates
1939–2024 Half Moon Bay location