August weather forecast
Stinson Beach, CA

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Weather in August

The last month of the summer, August, is another pleasant month in Stinson Beach, California, with an average temperature fluctuating between 56.1°F (13.4°C) and 69.4°F (20.8°C).

Temperature

At the onset of August, Stinson Beach records an average high-temperature of a still pleasant 69.4°F (20.8°C), showing little deviation from the preceding month. Stinson Beach, in August, witnesses an average low-temperature of 56.1°F (13.4°C).

Humidity

August is the most humid month in Stinson Beach, with an average relative humidity of 78%.

Rainfall

July and August are months with the least rain in Stinson Beach when the rain falls for 2.7 days and typically aggregates up to 0.08" (2mm) of rain.

Snowfall

In Stinson Beach, snow does not fall in January through November.

Daylight

In August, the average length of the day in Stinson Beach is 13h and 35min.
On the first day of the month, sunrise is at 6:14 am and sunset at 8:19 pm. On the last day of August, sunrise is at 6:40 am and sunset at 7:40 pm PDT.

Sunshine

The average sunshine in August is 10.9h.

UV index

The months with the highest UV index in Stinson Beach are June through September, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 5 during August translates into the following guidance:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What are August temperatures in Stinson Beach?

The high-temperature, in August, in Stinson Beach, records 69.4°F (20.8°C), while the low-temperature is 56.1°F (13.4°C).

What is the most humid month in Stinson Beach?

The most humid month in Stinson Beach is August, with an average relative humidity of 78%.

What is the average humidity in August in Stinson Beach?

In Stinson Beach, the average relative humidity in August is 78%.

What is the driest month in Stinson Beach?

The months with the least rainfall are July and August Rain falls for 2.7 days and accumulates 0.08" (2mm) of rain.

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

In Stinson Beach, in August, it is raining for 2.7 days, with typically 0.08" (2mm) of accumulated precipitation.

When it does not snow in Stinson Beach?

In Stinson Beach, snow does not fall in January through November.

What is the average length of the day in August in Stinson Beach?

The average day length in August in Stinson Beach, California, is 13h and 35min.

When is the sunrise / sunset in August in Stinson Beach?

In August, on the first day of the month, sunrise is at 6:14 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 7:40 pm PDT.

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

In August, the average sunshine duration in Stinson Beach is 10.9h.

What is the month with the highest UV index in Stinson Beach?

June through September, with an average maximum UV index of 5, are months with the highest UV index in Stinson Beach, California.

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

In Stinson Beach, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Stinson Beach, CA

Average temperature in August - Stinson Beach, CA
  • Average high temperature in August: 69.4°F

The warmest month (with the highest average high temperature) is September (70.9°F).
The month with the lowest average high temperature is December (55.2°F).

  • Average low temperature in August: 56.1°F

The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is December (46°F).

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Average pressure in August
Stinson Beach, CA

Average pressure in August - Stinson Beach, CA
  • Average pressure in August: 29.92"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in August
Stinson Beach, CA

Average wind speed in August - Stinson Beach, CA
  • Average wind speed in August: 6.5mph

The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is November (5.9mph).

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Average humidity in August
Stinson Beach, CA

Average humidity in August - Stinson Beach, CA
  • Average humidity in August: 78%

The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in August
Stinson Beach, CA

Average rainfall in August - Stinson Beach, CA
  • Average rainfall in August: 0.08"

The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.08").

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Average rainfall days in August
Stinson Beach, CA

Average rainfall days in August - Stinson Beach, CA
  • Average rainfall days in August: 2.7 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (2.3 days).

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Average snowfall days in August
Stinson Beach, CA

Average snowfall days in August - Stinson Beach, CA
  • Average snowfall days in August: 0 days

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

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

Average daylight in August / Average sunshine in August - Stinson Beach, CA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 10h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in August
Stinson Beach, CA

Average sunshine days in August - Stinson Beach, CA
  • Average sunshine days in August: 23.4 days

The months with the most sunshine days are June and July (24.8 days).
The month with the least sunshine days is March (16.6 days).

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Average UV index in August
Stinson Beach, CA

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

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

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Average cloud cover in August
Stinson Beach, CA

Average cloud cover in August - Stinson Beach, CA
  • Average cloud cover in August: 25

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).

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Average visibility in August
Stinson Beach, CA

Average visibility in August - Stinson 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).

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Stinson Beach, California, USA

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