Weather in Marin County, United States in October

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Visiting Marin County, United States in October

The weather in October is marginally cooler than the previous month and temperatures continue to drop quickly into November. October has average maximum temperatures of 23°C (73°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 71% making it sunny and pleasant most of the time. The hours of sunshine per day are 8.0hrs making the days quite long and bright. It is a great time for sunbathing in Marin County.

October has total rainfall of 2.1cm (0.8inches) making it extremely dry with very few light showers and most days are rain free. There are just 3.9 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 17°C (63°F). October is a little too cold to enjoy swimming in Marin County for prolonged periods of time. The sea temperature in October is marginally cooler than the previous month and temperatures continue to drop slightly into November.

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

Can you sunbathe in Marin County in October?

Yes, October is a great time for sunbathing in Marin County.

October has average maximum temperatures of 23°C (73°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 71% making it sunny and pleasant most of the time. The hours of sunshine per day are 8.0hrs making the days quite long and bright. October has total rainfall of 2.1cm (0.8inches) making it extremely dry with very few light showers and most days are rain free. There are just 3.9 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 October temperature and sunshine.

Can you swim in Marin County in October?

Probably not, October is a little too cold to enjoy swimming in Marin County for prolonged periods of time with the sea water at 17°C (63°F).

More about October sea temperatures.

Is October a good time to holiday in Marin County?

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

October has average maximum temperatures of 23°C (73°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 71% making it sunny and pleasant most of the time. The hours of sunshine per day are 8.0hrs making the days quite long and bright. October has total rainfall of 2.1cm (0.8inches) making it extremely dry with very few light showers and most days are rain free. There are just 3.9 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. It is a great time for sunbathing in Marin County. Sea temperatures are a chilly 17°C (63°F). October is a little too cold to enjoy swimming in Marin County for prolonged periods of time.

More about the October temperatures and sunshine.

Is Marin County warm in October?

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

The average maximum temperature in Marin County in October is 23°C (73°F). The average maximum temperature is 25°C (76°) in the previous month and 18°C (64°F) in the next month.

The average temperature in Marin County in October is 17°C (62°F). The average temperature is 18°C (65°F) in the previous month and 13°C (55°F) in the next month.

More info about the October temperatures and sunshine.

How sunny is Marin County in October?

The average day light hours per day in Marin County in October are 11.2. The sunshine percentage is 71% making it sunny and pleasant most of the time. The hours of sunshine per day are 8.0hrs making the days quite long and bright.

More about October sunshine.

Temperature in Marin County in October

The weather in October is marginally cooler than the previous month and temperatures continue to drop quickly into November. The average maximum temperature in Marin County in October is 23°C (73°F). The average maximum temperature is 25°C (76°F) in the previous month and 18°C (64°F) in the next month.

The average temperature in Marin County in October is 17°C (62°F). The average temperature is 18°C (65°F) in the previous month and 13°C (55°F) in the next month.

The average minimum temperature in Marin County in October is 10°C (51°F). The minimum temperature is 12°C (54°F) in the previous month and 7°C (45°F) in the next month.

Sunshine in Marin County in October

The days in October are shorter than the previous month and days continue to get shorter into November. October has far fewer hours of sunshine than the previous month and hours of sunshine continue to drop quickly into November. During October the average day light hours are 11.2 per day in Marin County. The sunshine percentage is 71% making it sunny and pleasant most of the time. The hours of sunshine per day are 8.0hrs making the days quite long and bright.

The ultraviolet index in Marin County in October is typically 5 during October. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive 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, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Marin County in October

The average sea water temperature in Marin County in October is 17.2°C (63.0°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water. The sea temperature in October is marginally cooler than the previous month and temperatures continue to drop slightly into November.

Rainfall in Marin County in October

October weather is marginally wetter than the previous month and rainfall continues to rise into November. October has a few more days of rain than the previous month and rainy days continue to rise into November. The average total rainfall in Marin County in October is 2.1cm (0.8inches) and on average there are 3.9 rainy days in October making it a very dry time to visit the beach.

Humidity in Marin County in October

The maximum dew point (an indicator of humidity) in Marin County in October is 12°C (54°F) which is very comfortable. The dew point is 14°C (56°F) in the previous month and 11°C (11°F) in the next month.

The average maximum relative humidity in Marin County in October is typically 91.5%. The maximum relative humidity is 92.3% in the previous month and 93.3% in the next month.

The average relative humidity in Marin County in October is typically 71.6%. The average relative humidity is 73% in the previous month and 76.9% in the next month.

Wind Speed in Marin County in October

The average maximum wind speed in Marin County in October is typically 27KM/H (17MPH). The average maximum wind speed is 31KM/H (19MPH) in the previous month and 24KM/H (15MPH) in the next month.

The average wind speed in Marin County in October is typically 10KM/H (6MPH). The average wind speed is 12KM/H (8MPH) in the previous month and 8KM/H (5MPH) in the next month.

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

Monthly Averages

Suggested Beaches in October

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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.