Half Moon Bay in august: average Weather, Temperature and Climate
Weather in Half Moon Bay in august 2025
The weather in Half Moon Bay in the month of august comes from statistical datas on the past years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
good weather
Weather at 6am
61°F
Clear/Sunny
44% of time
39%
8%
7%
Weather at 12pm
68°F
Clear/Sunny
86% of time
12%
2%
2%
Weather at 6pm
63°F
Clear/Sunny
63% of time
32%
3%
2%
Weather at 3am
59°F
47%
33%
8%
7%
Evolution of daily average temperature and precipitation in Half Moon Bay in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Half Moon Bay in august.
The climate of Half Moon Bay in august is good
In august in Half Moon Bay, the climate is dry ; it never rains.
The climate quite nice in that locality august. The thermometer averaged maximum of 68°F. In the morning the temperature drops to 61°F. Thus, the mean temperature average on this month of august in Half Moon Bay is 65°F. These temperatures are far removed from those records observed in Half Moon Bay in august with a maximum record of 86°F in 2009 and a minimum record of 52°F in 2021. You can expect to have about 23 days with temperatures over 65°F, or 74% of time.
On this month of august, day length in Half Moon Bay is generally 13:36. The sun rises at 05:26 and sunset is at 19:02.
With a good weather, this month is a good time to go in that area in California.
Seasonal average climate and temperature of Half Moon Bay in august
Check below seasonal norms These statistics are set from the weather statements of the past years of the month of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 65°F | ||||
| Highest temperature | 68°F | ||||
| Lowest temperature | 61°F | ||||
| Highest record temperature | 86°F (2009) | ||||
| Lowest record temperature | 52°F (2021) | ||||
| Number of days at +65°F | 23 day(s) (74%) | ||||
| Sea temperature | |||||
| Average sea temperature | 57°F | ||||
| Lowest sea temperature | 55°F | ||||
| Highest sea temperature | 59°F | ||||
| Wind | |||||
| Wind speed | 18km/h | ||||
| Wind temperature | 61°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 0.3in | ||||
| Record daily rainfall | 0.3in (2017) | ||||
| Other climate data | |||||
| Humidity | 86% | ||||
| Visibility | 9.55km | ||||
| Cloud cover | 19% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:26 | ||||
| Time of sunset | 19:02 | ||||
| Length of day | 13:36 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last august?
Here is the day by day recorded weather in Half Moon Bay in august 2024:
56°F to 63°F
58°F to 63°F
56°F to 63°F
56°F to 61°F
56°F to 61°F
54°F to 65°F
54°F to 63°F
56°F to 61°F
56°F to 61°F
56°F to 61°F
56°F to 59°F
56°F to 59°F
54°F to 61°F
56°F to 61°F
56°F to 61°F
56°F to 61°F
56°F to 65°F
54°F to 61°F
54°F to 63°F
56°F to 65°F
56°F to 63°F
59°F to 63°F
58°F to 61°F
58°F to 65°F
56°F to 67°F
56°F to 67°F
56°F to 67°F
56°F to 65°F
58°F to 65°F
58°F to 65°F
58°F to 65°F
Map: other cities in California in august
Cities near Half Moon Bay:
| Moss Beach in august | good weather |
| Pescadero in august | perfect weather |
| Silicon Valley in august | perfect weather |
| San Francisco in august | perfect weather |
| Oakland in august | perfect weather |
| Golden Gate National Recreation Area in august | perfect weather |
| San Jose in august | perfect weather |
| Stinson Beach in august | perfect weather |
| Santa Cruz California in august | perfect weather |
| Point Reyes in august | perfect weather |
| Pacific Grove in august | perfect weather |
| Napa Valley in august | perfect weather |
Click over cities on the map for information about the weather in august.
Half Moon Bay
perfect weather
good
tolerable
bad
very bad
Weather data for Half Moon Bay in august:
Weather data for Half Moon Bay for august are derived from an average of the weather forecast since 2009 in Half Moon Bay. There is a margin of error and these forecasts are to be considered as general information only. The weather in Half Moon Bay can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Half Moon Bay.