August weather forecast and climate
Morro Bay, CA

The iconic Morro Rock, a famous tourist spot in Morro Bay, California
The iconic Morro Rock, a famous tourist spot in Morro Bay, California

Weather in August

The last month of the summer, August, is also a moderately hot month in Morro Bay, California, with average temperature ranging between min 59.5°F (15.3°C) and max 76.1°F (24.5°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a still warm 76.1°F (24.5°C). In Morro Bay, in August, the average low-temperature is 59.5°F (15.3°C).

Humidity

In Morro Bay, the average relative humidity in August is 66%.

Rainfall

August is the month with the least rainfall in Morro Bay. Rain falls for 0.7 days and accumulates 0.04" (1mm) of precipitation.

Ocean temperature

August and October, with an average ocean temperature of 58.6°F (14.8°C), are months with the warmest seawater in Morro Bay.
Note: Swimming in 58.6°F (14.8°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 August, the average length of the day in Morro Bay is 13.4h.

Sunshine

In Morro Bay, the average sunshine in August is 11.9h.

UV index

August is the month with the highest UV index in Morro Bay, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in August in Morro Bay?

The average high-temperature, in August, in Morro Bay, is 76.1°F (24.5°C), while the average low-temperature is 59.5°F (15.3°C).

What is the average humidity in August in Morro Bay?

The average relative humidity in August in Morro Bay, California, is 66%.

How much does it rain in Morro Bay in August?

In August, in Morro Bay, California, the rain falls for 0.7 days. Throughout August, 0.04" (1mm) of precipitation is accumulated.

What is the driest month in Morro Bay?

The month with the least rainfall in Morro Bay is August when the rain falls for 0.7 days and typically collects 0.04" (1mm) of precipitation.

What months are the ocean warmest in Morro Bay?

Months with the warmest seawater in Morro Bay are August and October, with an average ocean temperature of 58.6°F (14.8°C).

What is the ocean temperature in August in Morro Bay?

In August, the average ocean temperature is 58.6°F (14.8°C). Swimming in 58.6°F (14.8°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.

How many hours of daylight does Morro Bay have in August?

In Morro Bay, California, the average length of the day in August is 13.4h.

How many hours of sunshine does Morro Bay have in August?

The average sunshine in August is 11.9h.

What is the month with the highest UV index in Morro Bay?

The month with the highest UV index in Morro Bay is August, with an average maximum UV index of 6.

What is the UV index reading in August in Morro Bay?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays.

Average temperature in August
Morro Bay, CA

Average temperature in August - Morro Bay, CA
  • Average high temperature in August: 76.1°F

The warmest month (with the highest average high temperature) is September (76.3°F).
The month with the lowest average high temperature is December (59.2°F).

  • Average low temperature in August: 59.5°F

The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (47.3°F).

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Average pressure in August
Morro Bay, CA

Average pressure in August - Morro Bay, CA
  • Average pressure in August: 29.92"

The month with the highest atmospheric pressure is January (30.12").
Months with the lowest atmospheric pressure are June and September (29.91").

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Average wind speed in August
Morro Bay, CA

Average wind speed in August - Morro Bay, CA
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is May (7.9mph).
The calmest months (with the lowest average wind speed) are August and September (6mph).

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Average humidity in August
Morro Bay, CA

Average humidity in August - Morro Bay, CA
  • Average humidity in August: 66%

The month with the highest relative humidity is March (70%).
Months with the lowest relative humidity are September and October (61%).

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Average rainfall in August
Morro Bay, CA

Average rainfall in August - Morro Bay, CA
  • Average rainfall in August: 0.04"

The wettest month (with the highest rainfall) is January (1.81").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in August
Morro Bay, CA

Average rainfall days in August - Morro Bay, CA
  • Average rainfall days in August: 0.7 days

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.7 days).

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Average sea temperature in August
Morro Bay, CA

Average sea temperature in August - Morro Bay, CA
  • Average sea temperature in August: 58.6°F

The best months for swimming (with the highest average sea temperature) are August and October (58.6°F).
The coldest month (with the lowest average sea temperature) is April (54.3°F).

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Average daylight in August /
Average sunshine in August
Morro Bay, CA

Average daylight in August / Average sunshine in August - Morro Bay, CA
  • Average daylight in August: 13.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in August: 11.9h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.4h).

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Average sunshine days in August
Morro Bay, CA

Average sunshine days in August - Morro Bay, CA
  • Average sunshine days in August: 28.8 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.1 days).

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Average UV index in August
Morro Bay, CA

Average UV index in August - Morro Bay, CA
  • Average UV index in August: 6

The month with the highest UV index is August (UV index 6).
Months with the lowest UV index are January, February, March, April, November and December (UV index 4).

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Average cloud cover in August
Morro Bay, CA

Average cloud cover in August - Morro Bay, CA
  • Average cloud cover in August: 7

The month with the most cloud cover is March (Cloud cover 28).
Months with the least cloud cover are August and September (Cloud cover 7).

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Average visibility in August
Morro Bay, CA

Average visibility in August - Morro Bay, 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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