August weather forecastMoss Beach, CA
August
Weather in August
The last month of the summer, August, is another comfortable month in Moss Beach, California, with an average temperature ranging between max 65.8°F (18.8°C) and min 55.9°F (13.3°C).Temperature
With August's arrival, Moss Beach, California, notes an average high-temperature of a still comfortable 65.8°F (18.8°C), closely following the trend of the preceding month. Moss Beach records an average low-temperature of 55.9°F (13.3°C) throughout the month of August.Humidity
August is the most humid month in Moss Beach, with an average relative humidity of 82%.Rainfall
In August, the rain falls for 6 days. Throughout August, 0.16" (4mm) of precipitation is accumulated. Throughout the year, there are 77.3 rainfall days, and 6.81" (173mm) of precipitation is accumulated.Ocean temperature
In Moss Beach, California, the average seawater temperature in August is 56.1°F (13.4°C).Note: Swimming in 56.1°F (13.4°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.
Daylight
In Moss Beach, the average length of the day in August is 13h and 34min.On the first day of August in Moss Beach, California, sunrise is at 6:14 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:39 pm PDT.
Sunshine
In August, the average sunshine is 10.7h.UV index
The months with the highest UV index are June, August and September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 5 during August leads to these advisories:
Ensure safety - Sun damage prevention is strongly urged. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Moss Beach, CA
- Average high temperature in August: 65.8°F
The warmest month (with the highest average high temperature) is September (67.5°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in August: 55.9°F
The month with the highest average low temperature is September (56.8°F).
The coldest months (with the lowest average low temperature) are January and February (48.7°F).
Average pressure in August
Moss Beach, CA
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in August
Moss Beach, CA
- Average wind speed in August: 6.8mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are August and September (6.8mph).
Average humidity in August
Moss Beach, CA
- Average humidity in August: 82%
The month with the highest relative humidity is August (82%).
The months with the lowest relative humidity are November and December (72%).
Average rainfall in August
Moss Beach, CA
- Average rainfall in August: 0.16"
The wettest month (with the highest rainfall) is February (1.34").
The driest months (with the least rainfall) are June, July and September (0.12").
Average rainfall days in August
Moss Beach, CA
- Average rainfall days in August: 6 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is September (3.6 days).
Average sea temperature in August
Moss Beach, CA
- Average sea temperature in August: 56.1°F
The best month for swimming (with the highest average sea temperature) is September (56.9°F).
The coldest month (with the lowest average sea temperature) is June (52.4°F).
Average daylight in August /
Average sunshine in August
Moss Beach, CA
- Average daylight in August: 13h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in August: 10h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in August
Moss Beach, CA
- Average sunshine days in August: 18.7 days
The month with the most sunshine days is October (24.5 days).
The month with the least sunshine days is August (18.7 days).
Average UV index in August
Moss Beach, CA
- Average UV index in August: 5
The months with the highest UV index are June, August and September (UV index 5).
The months with the lowest UV index are February and December (UV index 3).
Average cloud cover in August
Moss Beach, CA
- Average cloud cover in August: 29
The month with the most cloud cover is March (Cloud cover 39).
The months with the least cloud cover are September and October (Cloud cover 21).
Average visibility in August
Moss Beach, CA
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
