Annual average weather for Mendocino County, United States

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Annual Average Weather for Mendocino County, United States

The annual average maximum daily temperature is 20.6°C (69.1°F) which is warm and makes sunbathing pleasant on clear days. The annual average water temperature is typically 13.8°C (56.8°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea. Annually there are on average 7.7 days of rain per month and 7.5 hours of sun per day.

When is the best time to visit Mendocino County?

The best months to visit Mendocino County are May, June, July, August, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The weather is perfect for sunbathing in the months from December to July when the maximum temperature reaches above 26°C (72°F)

The sea is best for swimming between May and October when the sea temperature is above the average 14°C (57°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

Can you sunbathe in Mendocino County year round?

No, you can't sunbathe in Mendocino County all year round. Some months are too cold for sunbathing, however you might enjoy other beach activities such as taking a walk, going hiking along trails or just enjoying the scenery.

The weather is best for sunbathing in the months from December to July when the maximum temperature reaches above 26°C (72°F)

More info about the annual temperatures and sunshine.

Can you swim in Mendocino County year round?

No, you can't swim in Mendocino County all year round.

The warmest sea water temperatures in Mendocino County are found in August when they peak at 17°C (62°F) and lowest in January when they dip to 11°C (52°F).

The sea temperature is above average for swimming between May and October when the sea temperature is above 14°C (57°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

More info about the annual sea temperatures

When is the hottest month in Mendocino County?

The hottest month in Mendocino County is June when the average maximum temperature is very warm and perfect for sunbathing on clear days 27°C (81°F), average temperature is 20°C (68°F) and average minimum temperature is 9°C (49°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Mendocino County?

The coolest month in Mendocino County is January when the average maximum temperature is 15°C (58°F), average temperature is 8°C (47°F) and average minimum temperature is 2°C (35°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Mendocino County?

The sunniest days in Mendocino County are in June which has the most hours of sunshine per day. In June the sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 10.3hrs making the days very long and bright.

More info about the annual sunshine.

When is the least sunny month in Mendocino County?

December has the least sunshine. In December the sunshine percentage is 46% making it quite sunny but with regular periods of cloudy and overcast skies. There are 4.3 hours of sunshine per day.

More info about the annual sunshine.

When is the driest month in Mendocino County?

The driest month in Mendocino County is July with 0.4cm (0.2inches) of rain and August has the fewest days of rain with 0.2 days with some rain, an extremely dry time to visit the beach.

More info about the annual rainfall

When is the wettest month in Mendocino County?

The wettest month in Mendocino County is December with 24.3cm (9.6inches) of rain and the most days of rain with 14.6 days with some rain, a pretty wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Mendocino County?

The coldest sea water temperatures in Mendocino County are found in January when they dip to 11°C (52°F) which is very cold and bracing, it's not recommended you swim with out a full wet suit.

More info about the annual sea temperatures.

When is the sea the warmest in Mendocino County?

The warmest sea water temperatures in Mendocino County are found in August when they peak at 17°C (62°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.

More info about the annual sea temperatures.

When is the most humid month in Mendocino County?

The most humid month in Mendocino County is July with a dew point (an indicator of humidity) of 13°C (56°F) which is comfortable for everyone.

More info about the annual humidity.

When is the least humid month in Mendocino County?

The least humid month in Mendocino County is January with a dew point of 6°C (42°F) which is a bit dry for some.

More info about the annual humidity.

When is the windiest month in Mendocino County?

The most windy month in Mendocino County is May when the average maximum windspeed is 22KM/H (14MPH) and the average wind speed is 7KM/H (4MPH).

More info about the annual wind conditions.

Annual Temperature for Mendocino County

The hottest month in Mendocino County is June when the average maximum temperature is 27°C (81°F), average temperature is 20°C (68°F) and average minimum temperature is 9°C (49°F).

The coolest month in Mendocino County is January when the average maximum temperature is 15°C (15°F), average temperature is 8°C (47°F) and average minimum temperature is 2°C (35°F).

Annual Sunshine for Mendocino County

The longest days in Mendocino County are in June, with an average of 14.9 hours of daylight per day. December has the shortest days with an average of 9.4 hours of daylight per day.

The sunniest days in Mendocino County are in June which has the most hours of sunshine per day. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 10.3hrs making the days very long and bright.

December has the least sunshine. The sunshine percentage is 46% making it quite sunny but with regular periods of cloudy and overcast skies. There are 4.3 hours of sunshine per day.

The ultraviolet index is the highest in June when it reaches 10.5 and lowest in December when it reaches 2.2.

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.

Annual Sea Temperature for Mendocino County

The warmest sea water temperatures in Mendocino County are found in August when they peak at 17°C (62°F) and lowest in January when they dip to 11°C (52°F).

The sea is best for swimming between May and October when the temperature is above 14°C (57°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

Annual Rainfall for Mendocino County

The wettest month in Mendocino County is December with 24.3cm (9.6inches) of rain and the most days of rain with 14.6 days with some rain, a pretty wet time to visit the beach.

The driest month in Mendocino County is July with 0.4cm (0.2inches) of rain and August has the fewest days of rain with 0.2 days with some rain, an extremely dry time to visit the beach.

Annual Humidity for Mendocino County

The most humid month in Mendocino County is July with a dew point (an indicator of humidity) of 13°C (56°F) which is comfortable for everyone.

The least humid month in Mendocino County is January with a dew point of 6°C (42°F) which is a bit dry for some.

Annual Wind Speed for Mendocino County

The most windy month in Mendocino County is May when the average maximum windspeed is 22KM/H (14MPH) and the average wind speed is 7KM/H (4MPH).

The least windy month in Mendocino County is January when the average maximum windspeed is 13KM/H (8MPH) and the average wind speed is 3KM/H (2MPH).

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