Half Moon Bay in may: average Weather, Temperature and Climate
Weather in Half Moon Bay in may 2025
The weather in Half Moon Bay in the month of may comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
good weather
Weather at 6am
56°F
Clear/Sunny
42% of time
31%
16%
7%
Weather at 12pm
61°F
Clear/Sunny
64% of time
22%
6%
6%
Weather at 6pm
58°F
Clear/Sunny
57% of time
27%
8%
5%
Weather at 3am
54°F
45%
29%
10%
8%
Evolution of daily average temperature and precipitation in Half Moon Bay in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Half Moon Bay in may.
The climate of Half Moon Bay in may is good
the weather in Half Moon Bay in may is dry ; it does not rain often (0.8in of precipitation over 1 days).
The climate is fairly cold there the month of may, but it is livable when dressing warm. The thermometer averaged maximum of 61°F. The minimum is 56°F. Thus, the mean temperature average on this month of may in Half Moon Bay is 59°F. Note that seasonal normals in contrast with those observed in Half Moon Bay in the month of may with a maximum record of 79°F in 2009 and a minimum record of 49°F in 2021. You can expect to have about 7 days with temperatures over 65°F, or 23% of time.
On this month of may, day length in Half Moon Bay is generally 14:13. Sunrise is at 05:00 and sunset is at 19:13.
With a good climate, this month is a good month to go in this locality in California.
Seasonal average climate and temperature of Half Moon Bay in may
Check below seasonal norms These statistics are compiled from the weather statements of the last years of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 59°F | ||||
| Highest temperature | 61°F | ||||
| Lowest temperature | 56°F | ||||
| Highest record temperature | 79°F (2009) | ||||
| Lowest record temperature | 49°F (2021) | ||||
| Number of days at +65°F | 7 day(s) (23%) | ||||
| Sea temperature | |||||
| Average sea temperature | 54°F | ||||
| Lowest sea temperature | 50°F | ||||
| Highest sea temperature | 57°F | ||||
| Wind | |||||
| Wind speed | 23km/h | ||||
| Wind temperature | 54°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 0.8in | ||||
| Number of days with rainfall | 1 day(s) (3%) | ||||
| Record daily rainfall | 0.8in (2019) | ||||
| Other climate data | |||||
| Humidity | 82% | ||||
| Visibility | 9.47km | ||||
| Cloud cover | 28% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:00 | ||||
| Time of sunset | 19:13 | ||||
| Length of day | 14:13 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last may?
Here is the day by day recorded weather in Half Moon Bay in may 2024:
50°F to 59°F
50°F to 59°F
52°F to 59°F
49°F to 54°F
49°F to 54°F
49°F to 54°F
49°F to 56°F
52°F to 63°F
56°F to 68°F
56°F to 65°F
54°F to 63°F
52°F to 59°F
52°F to 58°F
52°F to 58°F
52°F to 59°F
56°F to 59°F
54°F to 59°F
52°F to 58°F
52°F to 58°F
50°F to 59°F
52°F to 63°F
52°F to 58°F
52°F to 58°F
52°F to 56°F
52°F to 54°F
50°F to 56°F
50°F to 56°F
52°F to 56°F
52°F to 58°F
52°F to 63°F
50°F to 58°F
Map: other cities in California in may
Cities near Half Moon Bay:
| Moss Beach in may | good weather |
| Pescadero in may | good weather |
| Silicon Valley in may | perfect weather |
| San Francisco in may | good weather |
| Oakland in may | good weather |
| Golden Gate National Recreation Area in may | good weather |
| San Jose in may | perfect weather |
| Stinson Beach in may | good weather |
| Santa Cruz California in may | good weather |
| Point Reyes in may | good weather |
| Pacific Grove in may | good weather |
| Napa Valley in may | good weather |
Click over cities on the map for information about the weather in may.
Half Moon Bay
perfect weather
good
tolerable
bad
very bad
Weather data for Half Moon Bay in may:
Weather data for Half Moon Bay for may 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.