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Half Moon Bay Weather in 1940

Historical record of Half Moon Bay, California weather for the year 1940 based on NOAA data.
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1940 Half Moon Bay Weather Extremes
Highest temperature 80 °F September 29
Lowest temperature 32 °F December 13
Highest daily low 61 °F September 16
Lowest daily high 51 °F January 21
Most daily precipitation 3.9 inches March 30
Total annual precipitation 34.0 inches -
What was the hottest temperature in Half Moon Bay in 1940?
The highest temperature recorded in Half Moon Bay, California in 1940 was 80 °F which happened 2 different times.
Highest Temperatures: All-Time By Year
Highest Temperatures in Half Moon Bay in 1940
Rank Temperature Date
1 80 °F Sep 29
1 80 °F Apr 11
3 79 °F Oct 18
4 78 °F Oct 19
4 78 °F Apr 12
6 77 °F Apr 13
7 75 °F Nov 15
7 75 °F Oct 11
7 75 °F Apr 20
10 74 °F Nov 16
10 74 °F Oct 17
10 74 °F Sep 16
What was the coldest temperature in Half Moon Bay in 1940?
The lowest temperature recorded in Half Moon Bay, California in 1940 was 32 °F which happened on Dec 13.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Half Moon Bay in 1940
Rank Temperature Date
1 32 °F December 13
2 36 °F January 21
3 37 °F January 19
3 37 °F January 18
5 38 °F December 11
5 38 °F November 21
5 38 °F November 20
5 38 °F March 12
5 38 °F February 11
5 38 °F January 20
January 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
January 1
 60 55 1.80
January 2
 58 54 0.65
January 3
 59 48 0.42
January 4
 59 52 1.03
January 5
 57 42 0.75
January 6
 53 41 0.18
January 7
 59 47 0.83
January 8
 58 54 0.96
January 9
 58 51 0.60
January 10
 58 50 1.06
January 11
 58 55 0.21
January 12
 55 47 n/a
January 13
 55 42 n/a
January 14
 56 39 n/a
January 15
 54 43 n/a
January 16
 58 45 n/a
January 17
 58 44 n/a
January 18
 53 37 n/a
January 19
 51 37 n/a
January 20
 52 38 n/a
January 21
 51 36 n/a
January 22
 52 39 n/a
January 23
 54 45 0.05
January 24
 56 47 0.00
January 25
 58 51 1.07
January 26
 61 54 0.32
January 27
 65 52 n/a
January 28
 60 54 n/a
January 29
 69 55 n/a
January 30
 62 51 n/a
January 31
 63 53 0.30
February 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
February 1
 62 52 0.45
February 2
 58 45 0.00
February 3
 61 53 0.54
February 4
 60 54 0.00
February 5
 60 50 0.08
February 6
 59 52 0.27
February 7
 57 45 0.00
February 8
 60 44 0.00
February 9
 59 43 0.00
February 10
 58 45 0.00
February 11
 58 38 0.00
February 12
 58 39 0.00
February 13
 57 43 0.22
February 14
 55 47 0.91
February 15
 55 40 0.00
February 16
 58 42 0.00
February 17
 58 50 0.82
February 18
 57 39 0.02
February 19
 58 42 0.00
February 20
 60 47 0.00
February 21
 64 51 0.00
February 22
 56 50 0.00
February 23
 60 52 0.11
February 24
 64 51 0.05
February 25
 59 55 0.96
February 26
 58 53 0.98
February 27
 60 53 2.24
February 28
 62 54 0.68
February 29
 58 45 0.00
March 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
March 1
 61 43 0.00
March 2
 62 45 0.00
March 3
 67 42 0.00
March 4
 63 45 0.00
March 5
 68 45 0.00
March 6
 68 44 0.00
March 7
 68 49 0.00
March 8
 59 50 0.00
March 9
 56 46 0.00
March 10
 55 44 0.08
March 11
 56 39 0.00
March 12
 61 38 0.00
March 13
 66 44 0.00
March 14
 67 45 0.00
March 15
 60 41 0.16
March 16
 58 50 0.14
March 17
 69 44 0.00
March 18
 62 46 0.00
March 19
 63 50 0.00
March 20
 61 53 0.00
March 21
 58 47 0.00
March 22
 60 46 0.00
March 23
 62 46 0.00
March 24
 60 50 0.14
March 25
 60 50 0.03
March 26
 59 53 0.63
March 27
 60 53 0.28
March 28
 60 50 0.38
March 29
 60 50 0.63
March 30
 58 50 3.85
March 31
 58 45 0.00
April 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
April 1
 59 50 0.00
April 2
 59 51 0.00
April 3
 61 48 0.05
April 4
 60 45 0.00
April 5
 60 47 0.00
April 6
 61 44 0.00
April 7
 62 50 0.00
April 8
 63 55 0.11
April 9
 64 47 0.00
April 10
 66 47 0.00
April 11
 80 47 0.00
April 12
 78 54 0.00
April 13
 77 48 0.00
April 14
 59 52 0.00
April 15
 61 47 0.00
April 16
 67 40 0.00
April 17
 65 43 0.00
April 18
 65 44 0.00
April 19
 62 44 0.00
April 20
 75 42 0.00
April 21
 57 39 0.00
April 22
 62 50 0.00
April 23
 60 50 0.00
April 24
 60 47 0.00
April 25
 57 46 0.32
April 26
 59 47 0.00
April 27
 59 49 0.00
April 28
 61 49 0.00
April 29
 61 50 0.00
April 30
 68 50 0.00
May 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
May 1
 61 46 0.00
May 2
 62 41 0.10
May 3
 65 46 0.00
May 4
 63 49 0.27
May 5
 62 43 0.00
May 6
 62 45 0.00
May 7
 64 51 0.00
May 8
 69 47 0.00
May 9
 64 46 0.00
May 10
 64 47 0.00
May 11
 61 47 0.04
May 12
 61 50 0.00
May 13
 64 42 0.00
May 14
 65 46 0.00
May 15
 61 46 0.00
May 16
 62 51 0.00
May 17
 60 52 0.00
May 18
 64 53 0.00
May 19
 62 50 0.00
May 20
 60 52 0.00
May 21
 64 53 0.00
May 22
 63 54 0.00
May 23
 60 52 0.00
May 24
 63 52 0.00
May 25
 64 50 0.00
May 26
 61 49 0.00
May 27
 58 51 0.00
May 28
 58 51 0.00
May 29
 65 44 0.00
May 30
 67 55 0.00
May 31
 69 52 0.00
June 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
June 1
 66 56 0.00
June 2
 64 53 0.00
June 3
 60 54 0.00
June 4
 64 50 0.00
June 5
 66 45 0.00
June 6
 66 46 0.00
June 7
 67 43 0.00
June 8
 62 44 0.00
June 9
 64 48 0.00
June 10
 62 52 0.00
June 11
 63 52 0.00
June 12
 65 52 0.00
June 13
 65 50 0.00
June 14
 63 49 0.00
June 15
 63 51 0.00
June 16
 67 55 0.00
June 17
 68 56 0.00
June 18
 68 50 0.00
June 19
 70 54 0.00
June 20
 66 53 0.00
June 21
 63 45 0.00
June 22
 62 53 0.00
June 23
 63 51 0.00
June 24
 63 53 0.00
June 25
 62 53 0.00
June 26
 67 50 0.00
June 27
 64 47 0.00
June 28
 66 53 0.00
June 29
 64 56 0.00
June 30
 65 56 0.00
July 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
July 1
 66 56 0.00
July 2
 68 53 0.00
July 3
 64 53 0.00
July 4
 65 54 0.00
July 5
 72 46 0.00
July 6
 66 51 0.00
July 7
 64 52 0.00
July 8
 63 53 0.00
July 9
 66 54 0.00
July 10
 65 46 0.00
July 11
 67 55 0.00
July 12
 69 56 0.00
July 13
 65 55 0.00
July 14
 63 55 0.00
July 15
 65 55 0.00
July 16
 63 55 0.00
July 17
 63 53 0.00
July 18
 68 50 0.00
July 19
 66 56 0.00
July 20
 68 53 0.00
July 21
 67 55 0.00
July 22
 65 56 0.00
July 23
 67 52 0.00
July 24
 69 47 0.00
July 25
 70 47 0.00
July 26
 63 56 0.00
July 27
 64 55 0.00
July 28
 63 55 0.00
July 29
 65 55 0.00
July 30
 66 55 0.00
July 31
 66 55 0.00
August 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
August 1
 66 56 0.00
August 2
 65 52 0.00
August 3
 63 53 0.00
August 4
 65 53 0.00
August 5
 66 55 0.00
August 6
 70 55 0.00
August 7
 64 53 0.00
August 8
 65 53 0.00
August 9
 67 54 0.00
August 10
 68 47 0.00
August 11
 63 53 0.00
August 12
 65 55 0.00
August 13
 64 54 0.00
August 14
 60 54 0.00
August 15
 62 54 0.00
August 16
 71 58 0.00
August 17
 70 50 0.00
August 18
 68 50 0.00
August 19
 66 58 0.00
August 20
 73 53 0.00
August 21
 68 53 0.00
August 22
 66 55 0.00
August 23
 62 54 0.00
August 24
 66 55 0.00
August 25
 62 54 0.00
August 26
 68 55 0.00
August 27
 64 53 0.00
August 28
 64 54 0.00
August 29
 62 53 0.00
August 30
 65 52 0.00
August 31
 64 54 0.00
September 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
September 1
 68 56 0.00
September 2
 69 57 0.00
September 3
 68 52 0.00
September 4
 65 50 0.00
September 5
 68 55 0.08
September 6
 67 55 0.22
September 7
 70 55 0.00
September 8
 70 55 0.00
September 9
 69 54 0.00
September 10
 72 55 0.00
September 11
 70 57 0.00
September 12
 73 60 0.00
September 13
 72 60 0.00
September 14
 73 60 0.00
September 15
 72 56 0.00
September 16
 74 61 0.00
September 17
 71 59 0.07
September 18
 69 56 0.00
September 19
 70 49 0.00
September 20
 68 53 0.00
September 21
 65 53 0.00
September 22
 64 56 0.00
September 23
 70 52 0.00
September 24
 70 51 0.00
September 25
 68 50 0.00
September 26
 71 55 0.00
September 27
 69 50 0.00
September 28
 69 48 0.00
September 29
 80 47 0.00
September 30
 71 46 0.00
October 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
October 1
 66 46 0.00
October 2
 68 52 0.00
October 3
 63 45 0.00
October 4
 64 43 0.00
October 5
 63 45 0.00
October 6
 66 45 0.00
October 7
 67 44 0.11
October 8
 65 54 0.00
October 9
 65 53 0.00
October 10
 66 47 0.00
October 11
 75 47 0.00
October 12
 64 50 0.00
October 13
 67 43 0.00
October 14
 63 41 0.00
October 15
 59 41 0.00
October 16
 70 50 0.00
October 17
 74 54 0.00
October 18
 79 50 0.00
October 19
 78 53 0.00
October 20
 67 54 0.00
October 21
 64 51 0.00
October 22
 65 52 0.00
October 23
 65 49 0.00
October 24
 65 56 0.54
October 25
 62 52 0.00
October 26
 62 48 0.00
October 27
 62 42 0.00
October 28
 64 44 0.46
October 29
 65 52 0.00
October 30
 65 45 0.00
October 31
 63 49 0.00
November 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
November 1
 60 41 0.00
November 2
 63 49 0.12
November 3
 59 41 0.02
November 4
 60 41 0.00
November 5
 59 44 0.10
November 6
 67 51 0.13
November 7
 66 58 0.07
November 8
 60 44 0.00
November 9
 58 45 0.07
November 10
 59 41 0.00
November 11
 60 40 0.00
November 12
 66 50 0.00
November 13
 65 55 0.00
November 14
 73 57 0.00
November 15
 75 57 0.00
November 16
 74 53 0.00
November 17
 64 51 0.00
November 18
 64 46 0.00
November 19
 65 50 0.00
November 20
 58 38 0.00
November 21
 58 38 0.00
November 22
 59 42 0.00
November 23
 62 40 0.00
November 24
 68 39 0.00
November 25
 60 42 0.00
November 26
 65 40 0.00
November 27
 67 42 0.00
November 28
 71 53 0.00
November 29
 62 46 0.00
November 30
 67 46 0.00
December 1940 Half Moon Bay Weather
Day High (°F) Low (°F) Precip. (inches)
December 1
 70 43 0.00
December 2
 70 48 0.00
December 3
 69 48 0.00
December 4
 72 42 0.00
December 5
 64 43 0.00
December 6
 66 47 0.00
December 7
 65 47 0.00
December 8
 68 47 0.00
December 9
 63 46 0.00
December 10
 67 41 0.00
December 11
 57 38 0.00
December 12
 53 40 0.00
December 13
 52 32 0.00
December 14
 55 39 0.00
December 15
 53 43 0.04
December 16
 61 46 0.25
December 17
 63 54 0.38
December 18
 63 55 0.50
December 19
 66 48 0.00
December 20
 65 55 0.00
December 21
 61 55 1.33
December 22
 61 50 0.22
December 23
 62 50 1.15
December 24
 60 50 0.40
December 25
 55 49 0.41
December 26
 58 n/a 0.00
December 27
 59 53 0.33
December 28
 56 51 1.18
December 29
 60 52 0.00
December 30
 57 50 0.00
December 31
 56 39 0.00
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1939–2024 Half Moon Bay location
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