August weather forecast
Stinson Beach, CA

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Weather in August

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

Temperature

At the onset of August, Stinson Beach records an average high-temperature of a still agreeable 69.4°F (20.8°C), showing little deviation from the preceding month. The low-temperature average for Stinson Beach during August stands at a mild 56.1°F (13.4°C).

Humidity

With an average relative humidity of 78%, August is the most humid month.

Rainfall

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

Snowfall

January through November are months without snowfall.

Daylight

The average length of the day in August 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

June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 5 in August translates into these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

In Stinson Beach, in August, the average high-temperature is 69.4°F (20.8°C), and the average low-temperature is 56.1°F (13.4°C).

What is the most humid month?

With an average relative humidity of 78%, August is the most humid month.

What is the average humidity in August in Stinson Beach?

The average relative humidity in August is 78%.

What is the driest month?

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 August, in Stinson Beach, the rain falls for 2.7 days. Throughout August, 0.08" (2mm) of precipitation is accumulated.

When it does not snow in Stinson Beach?

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

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

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

When is the sunrise / sunset in August?

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 long on average sun shines in August?

The average sunshine duration in August is 10.9h.

What are the months with the highest UV index?

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

How high is the UV index in August?

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 unprotected exposure to 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).

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).

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).

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%).

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").

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).

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).

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).

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).

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).

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).

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).

Stinson Beach, California, USA

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