Weather in Marin County, United States in August

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Visiting Marin County, United States in August

August is one of the best months to visit Marin County for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

The weather in August is slightly cooler than the previous month. August has average maximum temperatures of 24°C (75°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 70% making it sunny but overcast at times. The hours of sunshine per day are 9.5hrs making the days long and bright.

August has total rainfall of 0cm (0inches) making it extremely dry with only very rare light showers. There are just 0.4 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between.

Sea temperatures are a chilly 19°C (66°F). August is a little too cold to enjoy swimming in Marin County for prolonged periods of time. The sea temperature in August is marginally warmer than the previous month and temperatures continue to rise slightly into September.

Also consider visiting Marin County in one of the other best months of June, July, September, for the best beach weather. Also consider one of our other suggestions for August.

Can you sunbathe in Marin County in August?

Yes, August is a good time for sunbathing in Marin County.

August has average maximum temperatures of 24°C (75°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 70% making it sunny but overcast at times. The hours of sunshine per day are 9.5hrs making the days long and bright. August has total rainfall of 0cm (0inches) making it extremely dry with only very rare light showers. There are just 0.4 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between.

More about August temperature and sunshine.

Can you swim in Marin County in August?

Probably not, August is a little too cold to enjoy swimming in Marin County for prolonged periods of time with the sea water at 19°C (66°F).

More about August sea temperatures.

Is August a good time to holiday in Marin County?

Yes, August is a good time for a holiday in Marin County.

August has average maximum temperatures of 24°C (75°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 70% making it sunny but overcast at times. The hours of sunshine per day are 9.5hrs making the days long and bright. August has total rainfall of 0cm (0inches) making it extremely dry with only very rare light showers. There are just 0.4 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between. Sea temperatures are a chilly 19°C (66°F). August is a little too cold to enjoy swimming in Marin County for prolonged periods of time.

More about the August temperatures and sunshine.

Is Marin County warm in August?

Yes, Marin County is nice and warm and makes sunbathing pleasant on clear days in August.

The average maximum temperature in Marin County in August is 24°C (75°F). The average maximum temperature is 24°C (75°) in the previous month and 25°C (76°F) in the next month.

The average temperature in Marin County in August is 18°C (65°F). The average temperature is 18°C (65°F) in the previous month and 18°C (65°F) in the next month.

More info about the August temperatures and sunshine.

How sunny is Marin County in August?

The average day light hours per day in Marin County in August are 13.6. The sunshine percentage is 70% making it sunny but overcast at times. The hours of sunshine per day are 9.5hrs making the days long and bright.

More about August sunshine.

Temperature in Marin County in August

The weather in August is slightly cooler than the previous month. The average maximum temperature in Marin County in August is 24°C (75°F). The average maximum temperature is 24°C (75°F) in the previous month and 25°C (76°F) in the next month.

The average temperature in Marin County in August is 18°C (65°F). The average temperature is 18°C (65°F) in the previous month and 18°C (65°F) in the next month.

The average minimum temperature in Marin County in August is 12°C (54°F). The minimum temperature is 12°C (54°F) in the previous month and 12°C (54°F) in the next month.

Sunshine in Marin County in August

The days in August are slightly shorter than the previous month and days continue to get shorter into September. August has fewer hours of sunshine than the previous month and hours of sunshine continue to drop slightly into September. During August the average day light hours are 13.6 per day in Marin County. The sunshine percentage is 70% making it sunny but overcast at times. The hours of sunshine per day are 9.5hrs making the days long and bright.

The ultraviolet index in Marin County in August is typically 9.7 during August. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Marin County in August

The average sea water temperature in Marin County in August is 18.8°C (65.8°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water. The sea temperature in August is marginally warmer than the previous month and temperatures continue to rise slightly into September.

Rainfall in Marin County in August

August has a couple of more days of rain than the previous month and rainy days continue to rise slightly into September. The average total rainfall in Marin County in August is 0cm (0inches) and on average there are 0.4 rainy days in August making it an extremely dry time to visit the beach.

Humidity in Marin County in August

The maximum dew point (an indicator of humidity) in Marin County in August is 14°C (58°F) which is comfortable for everyone. The dew point is 14°C (56°F) in the previous month and 14°C (14°F) in the next month.

The average maximum relative humidity in Marin County in August is typically 93.5%. The maximum relative humidity is 93.2% in the previous month and 92.3% in the next month.

The average relative humidity in Marin County in August is typically 76.5%. The average relative humidity is 74.5% in the previous month and 73% in the next month.

Wind Speed in Marin County in August

The average maximum wind speed in Marin County in August is typically 30KM/H (19MPH). The average maximum wind speed is 31KM/H (19MPH) in the previous month and 31KM/H (19MPH) in the next month.

The average wind speed in Marin County in August is typically 13KM/H (8MPH). The average wind speed is 14KM/H (9MPH) in the previous month and 12KM/H (8MPH) in the next month.

The average wind direction in Marin County in August is from the West-Northwest.

Monthly Averages

Suggested Beaches in August

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.