Annual average weather for Monterey County, United States

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Annual Average Weather for Monterey County, United States

The annual average maximum daily temperature is 18.7°C (65.7°F) which is not that warm but sunbathing may be possible on some clear days. The annual average water temperature is typically 15.9°C (60.5°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 6.1 days of rain per month and 8.6 hours of sun per day.

When is the best time to visit Monterey County?

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

The sea is best for swimming between June and October when the sea temperature is above the average 16°C (61°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 Monterey County year round?

No, you can't sunbathe in Monterey 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.

More info about the annual temperatures and sunshine.

Can you swim in Monterey County year round?

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

The warmest sea water temperatures in Monterey County are found in September when they peak at 19°C (66°F) and lowest in March when they dip to 14°C (58°F).

The sea temperature is above average for swimming between June and October when the sea temperature is above 16°C (61°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 Monterey County?

The hottest month in Monterey County is September when the average maximum temperature is nice and warm and makes sunbathing pleasant on clear days 22°C (71°F), average temperature is 17°C (63°F) and average minimum temperature is 13°C (55°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Monterey County?

The coolest month in Monterey County is January when the average maximum temperature is 16°C (61°F), average temperature is 11°C (52°F) and average minimum temperature is 6°C (43°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Monterey County?

The sunniest days in Monterey County are in June which has the most hours of sunshine per day. In June the sunshine percentage is 76% making it sunny and pleasant most of the time. The hours of sunshine per day are 10.9hrs making the days very long and bright.

More info about the annual sunshine.

When is the least sunny month in Monterey County?

December has the least sunshine. In December the sunshine percentage is 58.6% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.7 hours of sunshine per day.

More info about the annual sunshine.

When is the driest month in Monterey County?

The driest month in Monterey County is July with 0.7cm (0.3inches) of rain and the least days of rain with 1.7 days with some rain, an extremely dry time to visit the beach.

More info about the annual rainfall

When is the wettest month in Monterey County?

The wettest month in Monterey County is January with 12.4cm (4.9inches) of rain and February has the most days of rain with 12.1 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 Monterey County?

The coldest sea water temperatures in Monterey County are found in March when they dip to 14°C (58°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 sea the warmest in Monterey County?

The warmest sea water temperatures in Monterey County are found in September when they peak at 19°C (66°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 Monterey County?

The most humid month in Monterey County is August with a dew point (an indicator of humidity) of 14°C (57°F) which is comfortable for everyone.

More info about the annual humidity.

When is the least humid month in Monterey County?

The least humid month in Monterey County is January with a dew point of 8°C (47°F) which is a bit dry for some.

More info about the annual humidity.

When is the windiest month in Monterey County?

The most windy month in Monterey County is April when the average maximum windspeed is 25KM/H (15MPH) and the average wind speed is 10KM/H (6MPH).

More info about the annual wind conditions.

Annual Temperature for Monterey County

The hottest month in Monterey County is September when the average maximum temperature is 22°C (71°F), average temperature is 17°C (63°F) and average minimum temperature is 13°C (55°F).

The coolest month in Monterey County is January when the average maximum temperature is 16°C (16°F), average temperature is 11°C (52°F) and average minimum temperature is 6°C (43°F).

Annual Sunshine for Monterey County

The longest days in Monterey County are in June, with an average of 14.6 hours of daylight per day. December has the shortest days with an average of 9.7 hours of daylight per day.

The sunniest days in Monterey County are in June which has the most hours of sunshine per day. The sunshine percentage is 76% making it sunny and pleasant most of the time. The hours of sunshine per day are 10.9hrs making the days very long and bright.

December has the least sunshine. The sunshine percentage is 58.6% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.7 hours of sunshine per day.

The ultraviolet index is the highest in July when it reaches 10.9 and lowest in December when it reaches 2.4.

An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. 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 Monterey County

The warmest sea water temperatures in Monterey County are found in September when they peak at 19°C (66°F) and lowest in March when they dip to 14°C (58°F).

The sea is best for swimming between June and October when the temperature is above 16°C (61°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

Annual Rainfall for Monterey County

The wettest month in Monterey County is January with 12.4cm (4.9inches) of rain and February has the most days of rain with 12.1 days with some rain, a pretty wet time to visit the beach.

The driest month in Monterey County is July with 0.7cm (0.3inches) of rain and the least days of rain with 1.7 days with some rain, an extremely dry time to visit the beach.

Annual Humidity for Monterey County

The most humid month in Monterey County is August with a dew point (an indicator of humidity) of 14°C (57°F) which is comfortable for everyone.

The least humid month in Monterey County is January with a dew point of 8°C (47°F) which is a bit dry for some.

Annual Wind Speed for Monterey County

The most windy month in Monterey County is April when the average maximum windspeed is 25KM/H (15MPH) and the average wind speed is 10KM/H (6MPH).

The least windy month in Monterey County is November when the average maximum windspeed is 19KM/H (12MPH) and the average wind speed is 7KM/H (4MPH).

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