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Half Moon Bay Weather in 1999

Historical record of Half Moon Bay, California weather for the year 1999 based on NOAA data.
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1999 Half Moon Bay Weather Extremes
Highest temperature 84 °F September 28
Lowest temperature 34 °F December 16
Highest daily low 58 °F August 11
Lowest daily high 50 °F February 10
Most daily precipitation 1.8 inches January 18
Most daily snow none -
Total annual precipitation 27.4 inches -
Total annual snow none -
January 1999 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
January 1
60 36 0.00
January 2
68 39 0.00
January 3
65 52 0.00
January 4
64 49 0.00
January 5
66 48 0.00
January 6
60 40 0.00
January 7
n/a 39 0.00
January 8
64 39 0.00
January 9
60 44 0.00
January 10
64 45 0.00
January 11
61 41 0.00
January 12
57 39 0.00
January 13
57 47 0.00
January 14
63 40 0.00
January 15
59 51 0.03
January 16
56 50 0.57
January 17
56 49 0.05
January 18
56 52 1.82
January 19
56 51 0.39
January 20
55 50 1.55
January 21
57 45 0.03
January 22
56 47 0.04
January 23
55 47 0.84
January 24
54 35 0.00
January 25
54 37 0.00
January 26
52 43 0.21
January 27
59 35 0.00
January 28
54 34 0.00
January 29
56 36 0.00
January 30
57 37 0.00
January 31
56 45 0.87
February 1999 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
February 1
57 35 0.00
February 2
59 35 0.00
February 3
54 39 0.00
February 4
54 44 0.00
February 5
55 36 0.00
February 6
53 42 0.50
February 7
54 49 1.80
February 8
55 48 0.15
February 9
55 42 1.09
February 10
50 36 0.00
February 11
58 35 0.00
February 12
62 39 0.00
February 13
57 40 0.00
February 14
55 44 0.30
February 15
55 37 0.00
February 16
55 44 0.47
February 17
58 51 1.25
February 18
55 44 0.47
February 19
61 39 0.00
February 20
55 42 0.31
February 21
56 46 0.52
February 22
58 47 0.17
February 23
59 40 0.00
February 24
57 38 0.00
February 25
55 47 0.56
February 26
53 37 0.00
February 27
62 42 0.01
February 28
58 46 0.00
March 1999 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
March 1
56 45 0.12
March 2
59 38 0.00
March 3
55 45 0.28
March 4
53 42 0.00
March 5
58 35 0.00
March 6
55 36 0.00
March 7
53 35 0.00
March 8
53 45 0.27
March 9
52 44 0.30
March 10
53 36 0.00
March 11
56 41 0.08
March 12
55 36 0.00
March 13
55 37 0.00
March 14
55 44 1.11
March 15
55 42 0.13
March 16
57 47 0.07
March 17
55 46 0.00
March 18
57 43 0.00
March 19
59 47 0.12
March 20
60 45 0.06
March 21
58 43 0.14
March 22
57 41 0.00
March 23
56 44 0.57
March 24
58 47 0.16
March 25
59 49 1.11
March 26
55 48 0.00
March 27
55 43 0.00
March 28
55 38 0.00
March 29
58 38 0.00
March 30
55 39 0.01
March 31
53 42 0.29
April 1999 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
April 1
57 35 0.00
April 2
63 37 0.00
April 3
54 48 0.00
April 4
53 40 0.00
April 5
53 40 0.74
April 6
57 40 0.17
April 7
55 39 0.03
April 8
51 40 0.40
April 9
51 35 0.02
April 10
53 38 0.08
April 11
53 44 1.28
April 12
57 42 0.00
April 13
57 48 0.00
April 14
80 42 0.00
April 15
82 46 0.00
April 16
67 51 0.00
April 17
64 45 0.00
April 18
57 44 0.00
April 19
57 45 0.00
April 20
57 48 0.00
April 21
56 47 0.00
April 22
60 47 0.00
April 23
74 48 0.00
April 24
n/a 44 0.00
April 25
59 48 0.01
April 26
57 48 0.00
April 27
54 46 0.00
April 28
55 44 0.00
April 29
55 45 0.00
April 30
59 45 0.00
May 1999 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
May 1
58 46 0.00
May 2
55 47 0.03
May 3
56 49 0.05
May 4
58 45 0.00
May 5
57 40 0.00
May 6
58 42 0.00
May 7
59 43 0.00
May 8
56 38 0.00
May 9
55 37 0.00
May 10
55 39 0.00
May 11
56 47 0.00
May 12
55 47 0.02
May 13
55 45 0.00
May 14
54 45 0.00
May 15
55 39 0.00
May 16
56 42 0.00
May 17
56 46 0.00
May 18
58 47 0.00
May 19
58 48 0.00
May 20
55 48 0.00
May 21
59 44 0.00
May 22
58 45 0.00
May 23
59 48 0.00
May 24
60 50 0.00
May 25
60 49 0.01
May 26
56 49 0.01
May 27
56 48 0.00
May 28
54 48 0.00
May 29
53 49 0.00
May 30
62 45 0.00
May 31
63 45 0.00
June 1999 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
June 1
n/a 52 0.00
June 2
57 49 0.07
June 3
60 47 0.19
June 4
59 49 0.00
June 5
58 49 0.04
June 6
58 50 0.00
June 7
59 46 0.00
June 8
57 47 0.00
June 9
57 48 0.00
June 10
59 46 0.00
June 11
60 45 0.00
June 12
59 48 0.00
June 13
61 52 0.00
June 14
60 50 0.04
June 15
60 50 0.04
June 16
59 50 0.02
June 17
58 49 0.04
June 18
59 50 0.01
June 19
59 51 0.00
June 20
61 50 0.00
June 21
58 51 0.01
June 22
62 50 0.00
June 23
60 50 0.00
June 24
61 52 0.00
June 25
61 50 0.00
June 26
63 46 0.00
June 27
63 43 0.00
June 28
66 45 0.00
June 29
66 49 0.00
June 30
68 50 0.00
July 1999 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
July 1
n/a 53 0.00
July 2
63 52 0.00
July 3
61 51 0.00
July 4
61 50 0.00
July 5
60 44 0.00
July 6
60 50 0.03
July 7
62 49 0.00
July 8
60 43 0.00
July 9
61 49 0.00
July 10
64 46 0.00
July 11
64 48 0.00
July 12
69 52 0.00
July 13
69 55 0.00
July 14
n/a 52 0.00
July 15
60 53 0.00
July 16
60 52 0.00
July 17
60 51 0.01
July 18
61 51 0.00
July 19
63 54 0.00
July 20
63 55 0.00
July 21
66 55 0.00
July 22
64 53 0.00
July 23
65 53 0.00
July 24
61 54 0.00
July 25
60 53 0.00
July 26
62 53 0.01
July 27
62 53 0.00
July 28
65 53 0.00
July 29
65 49 0.00
July 30
64 49 0.00
July 31
62 53 0.00
August 1999 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
August 1
64 54 0.00
August 2
63 55 0.00
August 3
64 55 0.00
August 4
60 48 0.03
August 5
60 54 0.07
August 6
66 55 0.08
August 7
69 55 0.00
August 8
67 57 0.00
August 9
65 57 0.00
August 10
62 56 0.02
August 11
67 58 0.06
August 12
68 57 0.00
August 13
68 54 0.00
August 14
66 54 0.00
August 15
64 55 0.00
August 16
64 53 0.00
August 17
64 53 0.02
August 18
64 54 0.00
August 19
64 54 0.00
August 20
66 52 0.01
August 21
64 55 0.00
August 22
68 50 0.00
August 23
63 52 0.00
August 24
63 52 0.01
August 25
63 50 0.00
August 26
77 49 0.00
August 27
65 55 0.00
August 28
64 55 0.00
August 29
63 55 0.02
August 30
64 55 0.02
August 31
63 45 0.00
September 1999 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
September 1
64 45 0.00
September 2
64 55 0.00
September 3
66 53 0.00
September 4
65 51 0.00
September 5
60 47 0.00
September 6
62 50 0.00
September 7
63 51 0.00
September 8
67 53 0.00
September 9
65 56 0.20
September 10
66 56 0.00
September 11
65 55 0.00
September 12
63 54 0.00
September 13
68 55 0.00
September 14
65 55 0.00
September 15
n/a 53 0.00
September 16
64 53 0.00
September 17
n/a 52 0.00
September 18
61 51 0.00
September 19
63 55 0.00
September 20
68 55 0.00
September 21
n/a 51 0.00
September 22
61 54 0.00
September 23
63 55 0.01
September 24
62 52 0.00
September 25
63 49 0.00
September 26
70 47 0.00
September 27
73 47 0.00
September 28
84 47 0.00
September 29
n/a 47 0.00
September 30
66 47 0.00
October 1999 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
October 1
n/a 47 0.00
October 2
63 53 0.00
October 3
64 54 0.00
October 4
68 55 0.00
October 5
67 50 0.00
October 6
63 57 0.02
October 7
64 47 0.00
October 8
74 47 0.00
October 9
71 46 0.00
October 10
71 47 0.00
October 11
n/a 48 0.00
October 12
63 50 0.00
October 13
60 50 0.00
October 14
68 54 0.00
October 15
66 45 0.00
October 16
80 45 0.00
October 17
n/a 48 0.00
October 18
59 45 0.00
October 19
60 45 0.00
October 20
64 43 0.00
October 21
62 47 0.00
October 22
59 46 0.00
October 23
62 51 0.00
October 24
59 45 0.00
October 25
59 47 0.00
October 26
58 48 0.00
October 27
63 50 0.00
October 28
61 55 0.80
October 29
69 44 0.00
October 30
69 45 0.00
October 31
77 43 0.00
November 1999 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
November 1
78 49 0.00
November 2
n/a 43 0.00
November 3
57 52 0.00
November 4
60 43 0.00
November 5
57 45 0.00
November 6
65 53 0.00
November 7
68 52 0.82
November 8
61 52 0.26
November 9
61 42 0.00
November 10
63 49 0.01
November 11
63 51 0.00
November 12
62 47 0.00
November 13
64 47 0.00
November 14
59 50 0.03
November 15
63 53 0.07
November 16
64 50 0.25
November 17
59 46 0.22
November 18
61 44 0.00
November 19
59 45 0.52
November 20
60 48 0.03
November 21
57 49 0.15
November 22
58 40 0.00
November 23
59 40 0.00
November 24
59 42 0.00
November 25
59 42 0.00
November 26
57 46 0.00
November 27
58 52 0.02
November 28
59 48 0.00
November 29
62 48 0.00
November 30
61 49 0.56
December 1999 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
December 1
59 43 0.28
December 2
56 42 0.17
December 3
60 41 0.00
December 4
58 41 0.00
December 5
58 38 0.00
December 6
57 40 0.00
December 7
56 47 0.10
December 8
57 37 0.00
December 9
55 41 0.28
December 10
53 35 0.00
December 11
57 39 0.00
December 12
54 39 0.00
December 13
51 45 0.09
December 14
60 38 0.00
December 15
54 35 0.00
December 16
n/a 34 0.00
December 17
57 40 0.00
December 18
57 43 0.01
December 19
72 41 0.00
December 20
71 57 0.00
December 21
72 50 0.00
December 22
71 50 0.00
December 23
61 42 0.00
December 24
66 39 0.00
December 25
67 44 0.00
December 26
65 43 0.00
December 27
65 46 0.00
December 28
70 49 0.00
December 29
60 41 0.00
December 30
58 37 0.00
December 31
54 39 0.00
Weather Station Details
Years Station Coordinates
1939–2022 Half Moon Bay location