Can't find what you're looking for? We're happy to answer your questions.

Half Moon Bay July Weather

Averages and records for weather in Half Moon Bay, California in the month of July.
Typical Half Moon Bay July Weather
1991–2020
Average daily high 65.0 °F
Average daily low 53.0 °F
Average monthly precipitation 0.2 inches
Average monthly snow none
Half Moon Bay July Weather Records
1939–2022
Highest temperature 81 °F July 23, 2005
Lowest temperature 40 °F July 23, 2008
Highest daily low 63 °F July 21, 2014
Lowest daily high 54 °F July 11, 1975
Hottest average temperature 4.7 °F
above average
2015
Coldest average temperature -5.3 °F
below average
1971
Most daily precipitation 0.6 inches July 8, 1974
Most monthly precipitation 1.0 inches 1974
Most daily snow none -
Most monthly snow none -
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
July 1 64.4 51.4 71 42
July 2 64.5 51.6 81 43
July 3 64.5 51.7 75 43
July 4 64.5 51.8 70 42
July 5 64.6 52.0 72 41
July 6 64.7 52.1 71 41
July 7 64.7 52.2 73 41
July 8 64.8 52.3 72 40
July 9 64.9 52.4 72 42
July 10 64.9 52.5 78 43
July 11 65.0 52.6 74 43
July 12 65.0 52.6 74 43
July 13 65.0 52.7 75 44
July 14 65.0 52.7 73 44
July 15 65.0 52.8 74 44
July 16 65.0 52.9 71 45
July 17 65.0 52.9 71 43
July 18 65.1 53.0 72 42
July 19 65.1 53.1 78 42
July 20 65.1 53.2 77 43
July 21 65.2 53.2 72 43
July 22 65.2 53.3 73 44
July 23 65.2 53.4 81 40
July 24 65.3 53.4 71 44
July 25 65.3 53.5 71 46
July 26 65.3 53.5 71 45
July 27 65.3 53.6 77 43
July 28 65.3 53.6 71 46
July 29 65.4 53.6 71 45
July 30 65.4 53.6 76 45
July 31 65.4 53.6 74 45
Weather Station Details
Years Station Coordinates
1939–2022 Half Moon Bay location