August weather forecast and climate
Moss Beach, CA

Weather in August

August, the last month of the summer, in Moss Beach, is also an enjoyable month, with average temperature varying between 55.9°F (13.3°C) and 65.8°F (18.8°C).

Temperature

In Moss Beach, the average high-temperature is relatively the same as in July - a still comfortable 65.8°F (18.8°C). The average low-temperature, in August, is 55.9°F (13.3°C).

Humidity

With an average relative humidity of 82%, August is the most humid month.

Rainfall

In Moss Beach, during 6 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. In Moss Beach, California, during the entire year, the rain falls for 77.3 days and collects up to 6.81" (173mm) of precipitation.

Ocean temperature

In Moss Beach, California, in August, the average water temperature is 56.1°F (13.4°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

In Moss Beach, the average length of the day is 13.6h.

Sunshine

In August, the average sunshine in Moss Beach is 10.7h.

UV index

June, August and September, with an average maximum UV index of 5, are months with the highest UV index in Moss Beach. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in August interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Moss Beach?

The average high-temperature, in August, in Moss Beach, California, is 65.8°F (18.8°C), while the average low-temperature is 55.9°F (13.3°C).

What is the most humid month in Moss Beach?

The most humid month is August, with an average relative humidity of 82%.

What is the average humidity in August in Moss Beach?

In Moss Beach, California, the average relative humidity in August is 82%.

How many days does it rain in August in Moss Beach?

In Moss Beach, California, in August, it is raining for 6 days, with typically 0.16" (4mm) of accumulated precipitation.

How cold is the water in August in Moss Beach?

In Moss Beach, in August, the average water temperature is 56.1°F (13.4°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Moss Beach have in August?

The average length of the day in August in Moss Beach, California, is 13.6h.

How many hours of sunshine does Moss Beach have in August?

The average sunshine in August is 10.7h.

What are the months with the highest UV index in Moss Beach?

Months with the highest UV index in Moss Beach are June, August and September, with an average maximum UV index of 5.

What is the UV index reading in August in Moss Beach?

In August, the average daily maximum UV index in Moss Beach is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in August
Moss Beach, CA

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).

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Average pressure in August
Moss Beach, CA

Average pressure in August - Moss Beach, CA
  • Average pressure in August: 29.93"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is September (29.92").

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Average wind speed in August
Moss Beach, CA

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).

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Average humidity in August
Moss Beach, CA

Average humidity in August - Moss Beach, CA
  • Average humidity in August: 82%

The month with the highest relative humidity is August (82%).
Months with the lowest relative humidity are November and December (72%).

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Average rainfall in August
Moss Beach, CA

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").

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Average rainfall days in August
Moss Beach, CA

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).

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Average sea temperature in August
Moss Beach, CA

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).

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Average daylight in August /
Average sunshine in August
Moss Beach, CA

Average daylight in August / Average sunshine in August - Moss Beach, CA
  • Average daylight in August: 13.6h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in August: 10.7h

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days in August
Moss Beach, CA

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).

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Average UV index in August
Moss Beach, CA

Average UV index in August - Moss Beach, CA
  • Average UV index in August: 5

Months with the highest UV index are June, August and September (UV index 5).
Months with the lowest UV index are February and December (UV index 3).

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Average cloud cover in August
Moss Beach, CA

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).
Months with the least cloud cover are September and October (Cloud cover 21).

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Average visibility in August
Moss Beach, CA

Average visibility in August - Moss Beach, CA
  • Average visibility in August: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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