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Half Moon Bay Weather in 2020

Historical record of Half Moon Bay, California weather for the year 2020 based on NOAA data.
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2020 Half Moon Bay Weather Extremes
Highest temperature 92 °F October 16
Lowest temperature 30 °F November 9
Highest daily low 60 °F September 24
Lowest daily high 53 °F January 17
Most daily precipitation 1.5 inches January 16
Total annual precipitation 11.4 inches -
What was the hottest temperature in Half Moon Bay in 2020?
The highest temperature recorded in Half Moon Bay, California in 2020 was 92 °F which happened on October 16.
Highest Temperatures: All-Time By Year
Highest Temperatures in Half Moon Bay in 2020
Rank Temperature Date
1 92 °F Oct 16
2 90 °F Oct 15
3 83 °F Sep 7
4 82 °F Aug 16
4 82 °F Aug 15
4 82 °F Aug 14
7 80 °F Sep 28
8 75 °F Sep 27
9 74 °F Oct 26
9 74 °F Oct 18
9 74 °F Oct 17
What was the coldest temperature in Half Moon Bay in 2020?
The lowest temperature recorded in Half Moon Bay, California in 2020 was 30 °F which happened on Nov 9.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Half Moon Bay in 2020
Rank Temperature Date
1 30 °F November 9
2 31 °F November 28
3 32 °F December 7
3 32 °F November 10
3 32 °F February 5
3 32 °F February 3
7 33 °F December 30
7 33 °F November 30
9 34 °F December 19
9 34 °F December 5
9 34 °F November 27
9 34 °F November 26
9 34 °F February 9
9 34 °F January 15
January 2020 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
January 1
 58 44 0.00
January 2
 59 43 0.00
January 3
 59 38 0.00
January 4
 58 45 0.02
January 5
 58 36 0.00
January 6
 61 38 0.00
January 7
 59 38 0.00
January 8
 56 43 0.04
January 9
 55 47 0.35
January 10
 54 37 0.00
January 11
 55 45 0.17
January 12
 56 35 0.02
January 13
 55 40 0.01
January 14
 55 45 0.30
January 15
 54 34 0.00
January 16
 53 43 1.45
January 17
 53 35 0.24
January 18
 55 43 0.00
January 19
 58 47 0.00
January 20
 59 47 0.00
January 21
 58 45 0.00
January 22
 58 51 0.08
January 23
 61 49 0.00
January 24
 58 42 0.00
January 25
 60 50 0.00
January 26
 64 54 0.35
January 27
 58 41 0.00
January 28
 58 46 0.10
January 29
 57 42 0.00
January 30
 58 47 0.03
January 31
 62 42 0.00
February 2020 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
February 1
 65 44 0.00
February 2
 60 47 0.00
February 3
 55 32 0.00
February 4
 56 44 0.00
February 5
 57 32 0.00
February 6
 57 40 0.00
February 7
 57 40 0.00
February 8
 56 42 0.00
February 9
 63 34 0.00
February 10
 68 48 0.00
February 11
 71 38 0.00
February 12
 65 36 0.00
February 13
 57 40 0.00
February 14
 54 48 0.00
February 15
 55 37 0.00
February 16
 57 44 0.00
February 17
 61 41 0.00
February 18
 62 35 0.00
February 19
 59 38 0.00
February 20
 56 37 0.00
February 21
 70 41 0.00
February 22
 65 48 0.00
February 23
 56 50 0.00
February 24
 58 37 0.00
February 25
 72 39 0.00
February 26
 65 39 0.00
February 27
 68 39 0.00
February 28
 60 39 0.00
February 29
 55 42 0.00
March 2020 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
March 1
 58 40 0.00
March 2
 63 43 0.00
March 3
 63 38 0.00
March 4
 62 38 0.00
March 5
 62 47 0.00
March 6
 59 51 0.00
March 7
 57 48 0.49
March 8
 57 37 0.03
March 9
 66 44 0.00
March 10
 69 46 0.00
March 11
 64 50 0.00
March 12
 61 46 0.00
March 13
 59 48 0.00
March 14
 59 49 0.44
March 15
 55 47 0.16
March 16
 55 48 0.22
March 17
 54 39 0.18
March 18
 55 41 0.07
March 19
 58 42 0.01
March 20
 58 39 0.00
March 21
 61 40 0.00
March 22
 67 40 0.16
March 23
 57 41 0.17
March 24
 56 44 0.13
March 25
 56 40 0.20
March 26
 56 36 0.00
March 27
 57 50 0.00
March 28
 58 50 0.16
March 29
 62 50 0.10
March 30
 61 48 0.00
March 31
 61 45 0.00
April 2020 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
April 1
 60 49 0.00
April 2
 58 36 0.00
April 3
 58 43 0.00
April 4
 57 48 0.02
April 5
 56 50 0.71
April 6
 55 40 0.52
April 7
 60 36 0.12
April 8
 61 48 0.00
April 9
 60 51 0.04
April 10
 60 50 0.00
April 11
 60 51 0.00
April 12
 56 50 0.02
April 13
 58 50 0.00
April 14
 62 41 0.00
April 15
 68 40 0.00
April 16
 59 51 0.02
April 17
 60 52 0.00
April 18
 62 53 0.00
April 19
 63 42 0.00
April 20
 62 51 0.00
April 21
 60 53 0.00
April 22
 65 47 0.00
April 23
 63 54 0.00
April 24
 65 43 0.00
April 25
 64 46 0.00
April 26
 62 51 0.00
April 27
 61 44 0.00
April 28
 63 52 0.00
April 29
 61 52 0.00
April 30
 61 52 0.01
May 2020 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
May 1
 61 44 0.00
May 2
 62 51 0.01
May 3
 63 41 0.00
May 4
 62 39 0.00
May 5
 64 39 0.00
May 6
 62 44 0.00
May 7
 66 41 0.00
May 8
 64 42 0.00
May 9
 61 49 0.00
May 10
 62 53 0.00
May 11
 64 48 0.00
May 12
 64 54 0.26
May 13
 63 46 0.01
May 14
 66 53 0.00
May 15
 64 55 0.00
May 16
 64 49 0.00
May 17
 67 57 0.18
May 18
 66 54 0.20
May 19
 66 52 0.00
May 20
 64 55 0.00
May 21
 64 54 0.00
May 22
 64 52 0.00
May 23
 62 42 0.00
May 24
 64 43 0.00
May 25
 66 43 0.00
May 26
 66 48 0.00
May 27
 66 49 0.00
May 28
 62 52 0.00
May 29
 65 53 0.00
May 30
 66 57 0.02
May 31
 65 51 0.00
June 2020 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
June 1
 63 53 0.00
June 2
 66 48 0.00
June 3
 70 49 0.00
June 4
 70 46 0.00
June 5
 64 52 0.00
June 6
 65 55 0.00
June 7
 64 53 0.00
June 8
 68 42 0.00
June 9
 68 42 0.00
June 10
 69 48 0.00
June 11
 63 54 0.00
June 12
 65 55 0.00
June 13
 65 54 0.00
June 14
 66 54 0.00
June 15
 65 49 0.00
June 16
 65 54 0.00
June 17
 68 43 0.00
June 18
 68 43 0.00
June 19
 67 53 0.00
June 20
 63 54 0.00
June 21
 61 55 0.04
June 22
 64 55 0.00
June 23
 65 55 0.00
June 24
 64 53 0.01
June 25
 63 54 0.03
June 26
 63 55 0.01
June 27
 63 55 0.01
June 28
 63 55 0.00
June 29
 66 45 0.00
June 30
 66 46 0.00
July 2020 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
July 1
 64 54 0.00
July 2
 65 54 0.00
July 3
 65 55 0.00
July 4
 66 46 0.00
July 5
 66 44 0.00
July 6
 65 48 0.00
July 7
 65 53 0.00
July 8
 63 52 0.00
July 9
 63 54 0.00
July 10
 64 48 0.00
July 11
 63 48 0.00
July 12
 64 43 0.00
July 13
 65 55 0.00
July 14
 65 55 0.00
July 15
 65 56 0.00
July 16
 65 56 0.00
July 17
 66 56 0.00
July 18
 67 57 0.00
July 19
 67 56 0.00
July 20
 65 56 0.01
July 21
 64 55 0.00
July 22
 68 55 0.00
July 23
 68 55 0.02
July 24
 63 55 0.00
July 25
 67 56 0.00
July 26
 67 56 0.00
July 27
 65 56 0.00
July 28
 64 55 0.00
July 29
 64 54 0.00
July 30
 63 56 0.00
July 31
 64 55 0.00
August 2020 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
August 1
 65 56 0.01
August 2
 65 56 0.01
August 3
 65 49 0.00
August 4
 65 56 0.08
August 5
 64 54 0.01
August 6
 64 56 0.00
August 7
 66 57 0.00
August 8
 67 55 0.00
August 9
 64 56 0.00
August 10
 64 55 0.00
August 11
 66 56 0.00
August 12
 67 59 0.00
August 13
 67 46 0.00
August 14
 82 58 0.00
August 15
 82 56 0.00
August 16
 82 60 0.09
August 17
 71 59 0.01
August 18
 66 55 0.00
August 19
 66 50 0.00
August 20
 64 51 0.00
August 21
 66 58 0.01
August 22
 69 56 0.01
August 23
 66 52 0.00
August 24
 64 55 0.00
August 25
 64 56 0.03
August 26
 64 52 0.02
August 27
 61 55 0.01
August 28
 61 54 0.00
August 29
 62 54 0.01
August 30
 62 55 0.00
August 31
 63 55 0.00
September 2020 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
September 1
 65 56 0.00
September 2
 65 56 0.00
September 3
 65 57 0.00
September 4
 65 52 0.00
September 5
 68 47 0.00
September 6
 71 55 0.00
September 7
 83 55 0.00
September 8
 68 51 0.00
September 9
 64 56 0.00
September 10
 62 57 0.00
September 11
 62 47 0.01
September 12
 60 53 0.02
September 13
 60 53 0.00
September 14
 63 56 0.00
September 15
 67 49 0.00
September 16
 72 59 0.00
September 17
 71 59 0.01
September 18
 66 55 0.00
September 19
 66 60 0.00
September 20
 66 52 0.00
September 21
 63 55 0.00
September 22
 65 59 0.00
September 23
 70 49 0.00
September 24
 70 60 0.00
September 25
 66 59 0.00
September 26
 69 52 0.00
September 27
 75 50 0.00
September 28
 80 53 0.00
September 29
 63 52 0.00
September 30
 68 55 0.00
October 2020 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
October 1
 71 51 0.00
October 2
 70 47 0.00
October 3
 65 52 0.00
October 4
 63 52 0.00
October 5
 61 50 0.00
October 6
 58 51 0.00
October 7
 62 49 0.00
October 8
 63 57 0.00
October 9
 63 56 0.01
October 10
 65 51 0.02
October 11
 71 53 0.01
October 12
 70 46 0.00
October 13
 71 45 0.00
October 14
 72 48 0.00
October 15
 90 49 0.00
October 16
 92 53 0.00
October 17
 74 49 0.00
October 18
 74 55 0.00
October 19
 60 43 0.00
October 20
 59 46 0.00
October 21
 63 45 0.00
October 22
 62 47 0.00
October 23
 64 43 0.01
October 24
 64 43 0.00
October 25
 64 54 0.00
October 26
 74 46 0.00
October 27
 71 43 0.00
October 28
 65 38 0.00
October 29
 62 37 0.00
October 30
 n/a 41 0.00
October 31
 58 47 0.00
November 2020 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
November 1
 61 45 0.00
November 2
 60 46 0.01
November 3
 59 48 0.00
November 4
 65 42 0.00
November 5
 69 46 0.00
November 6
 64 48 0.00
November 7
 58 41 0.00
November 8
 56 43 0.00
November 9
 56 30 0.00
November 10
 56 32 0.00
November 11
 59 50 0.00
November 12
 58 38 0.00
November 13
 58 36 0.00
November 14
 59 39 0.08
November 15
 64 35 0.00
November 16
 71 45 0.00
November 17
 70 48 0.38
November 18
 60 55 0.20
November 19
 59 42 0.00
November 20
 65 43 0.00
November 21
 65 41 0.00
November 22
 65 35 0.00
November 23
 57 43 0.04
November 24
 56 38 0.00
November 25
 57 48 0.00
November 26
 63 34 0.00
November 27
 64 34 0.00
November 28
 64 31 0.00
November 29
 64 35 0.00
November 30
 57 33 0.00
December 2020 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
December 1
 65 36 0.00
December 2
 65 35 0.00
December 3
 62 38 0.00
December 4
 68 37 0.00
December 5
 57 34 0.00
December 6
 56 39 0.00
December 7
 72 32 0.00
December 8
 72 56 0.00
December 9
 70 40 0.00
December 10
 65 44 0.00
December 11
 55 45 0.00
December 12
 57 50 0.90
December 13
 57 49 0.60
December 14
 56 40 0.01
December 15
 55 38 0.00
December 16
 55 38 0.00
December 17
 58 41 0.46
December 18
 56 36 0.00
December 19
 61 34 0.01
December 20
 63 42 0.00
December 21
 64 45 0.00
December 22
 60 40 0.00
December 23
 60 39 0.00
December 24
 64 48 0.00
December 25
 61 42 0.04
December 26
 57 45 0.20
December 27
 55 40 0.00
December 28
 56 45 0.03
December 29
 57 35 0.01
December 30
 55 33 0.00
December 31
 56 41 0.10
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