August weather forecast and climate
Mendocino, CA

Weather in August

The last month of the summer, August, is another comfortable month in Mendocino, California, with average temperature fluctuating between 55°F (12.8°C) and 66.4°F (19.1°C).

Temperature

In Mendocino, California, the average high-temperature in August remains the same as in July - a still comfortable 66.4°F (19.1°C). In August, the average low-temperature is 55°F (12.8°C).

Humidity

March, May and August, with an average relative humidity of 80%, are most humid months.

Rainfall

June through August are months with the least rain when the rain falls for 1.8 days and typically aggregates up to 0.08" (2mm) of rain.

Snowfall

In Mendocino snow does not fall in January, March through December.

Ocean temperature

In Mendocino, in August, the average water temperature is 54.1°F (12.3°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

The average length of the day in Mendocino is 13.6h.

Sunshine

Months with the most sunshine in Mendocino are July and August, with an average of 11.8h of sunshine.

UV index

Months with the highest UV index in Mendocino are June through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in August interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Mendocino?

In August, the average high-temperature is 66.4°F (19.1°C), and the average low-temperature is 55°F (12.8°C).

What are the most humid months in Mendocino?

Months with the highest humidity in Mendocino are March, May and August, with an average relative humidity of 80%.

What is the average humidity in August in Mendocino?

In Mendocino, the average relative humidity in August is 80%.

How much does it rain in Mendocino in August?

In Mendocino, in August, during 1.8 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

What is the driest month in Mendocino?

June through August are months with the least rain when the rain falls for 1.8 days and typically aggregates up to 0.08" (2mm) of rain.

When it does not snow in Mendocino?

In Mendocino snow does not fall in January, March through December.

How cold is the water in August in Mendocino?

In August, the average ocean temperature in Mendocino, California, is 54.1°F (12.3°C). Swimming in 54.1°F (12.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Mendocino have in August?

In August, the average length of the day in Mendocino is 13.6h.

What are the months with the most sunshine in Mendocino?

July and August, with an average of 11.8h of sunshine, are months with the most sunshine in Mendocino, California.

How long on average sun shines in August in Mendocino?

The average sunshine in August in Mendocino is 11.8h.

What are the months with the highest UV index in Mendocino?

Months with the highest UV index are June through August, with an average maximum UV index of 5.

What is the UV index intensity in August in Mendocino?

The average daily maximum UV index in August in Mendocino, California, is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in August
Mendocino, CA

Average temperature in August - Mendocino, CA
  • Average high temperature in August: 66.4°F

The warmest month (with the highest average high temperature) is September (67.5°F).
Months with the lowest average high temperature are February and December (54.3°F).

  • Average low temperature in August: 55°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).

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Average pressure in August
Mendocino, CA

Average pressure in August - Mendocino, 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 August (29.93").

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Average wind speed in August
Mendocino, CA

Average wind speed in August - Mendocino, CA
  • Average wind speed in August: 7.8mph

The windiest month (with the highest average wind speed) is June (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

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Average humidity in August
Mendocino, CA

Average humidity in August - Mendocino, CA
  • Average humidity in August: 80%

Months with the highest relative humidity are March, May and August (80%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in August
Mendocino, CA

Average rainfall in August - Mendocino, CA
  • Average rainfall in August: 0.08"

The wettest month (with the highest rainfall) is December (1.77").
The driest months (with the least rainfall) are June, July and August (0.08").

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Average rainfall days in August
Mendocino, CA

Average rainfall days in August - Mendocino, CA
  • Average rainfall days in August: 1.8 days

The month with the highest number of rainy days is March (11.4 days).
Months with the least rainy days are June and August (1.8 days).

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Average snowfall in August
Mendocino, CA

Average snowfall in August - Mendocino, CA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.04").
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in August
Mendocino, CA

Average snowfall days in August - Mendocino, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (0.1 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature in August
Mendocino, CA

Average sea temperature in August - Mendocino, CA
  • Average sea temperature in August: 54.2°F

The best month for swimming (with the highest average sea temperature) is October (55.6°F).
The coldest month (with the lowest average sea temperature) is April (52.1°F).

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Average daylight in August /
Average sunshine in August
Mendocino, CA

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

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in August: 11.8h

Months with the most sunshine are July and August (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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Average sunshine days in August
Mendocino, CA

Average sunshine days in August - Mendocino, CA
  • Average sunshine days in August: 27.7 days

The month with the most sunshine days is July (28.2 days).
The month with the least sunshine days is March (18.4 days).

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Average UV index in August
Mendocino, CA

Average UV index in August - Mendocino, CA
  • Average UV index in August: 5

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

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Average cloud cover in August
Mendocino, CA

Average cloud cover in August - Mendocino, CA
  • Average cloud cover in August: 11

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 10).

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Average visibility in August
Mendocino, CA

Average visibility in August - Mendocino, 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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