Annual average weather for Orange County, United States

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Annual Average Weather for Orange County, United States

The annual average maximum daily temperature is 22.3°C (72.1°F) which is warm and makes sunbathing pleasant on clear days. The annual average water temperature is typically 16.7°C (62.1°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water. Annually there are on average 4.2 days of rain per month and 8.5 hours of sun per day.

When is the best time to visit Orange County?

The best months to visit Orange 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 weather is perfect for sunbathing in the months from August to September 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 17°C (62°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.

Can you sunbathe in Orange County year round?

No, you can't sunbathe in Orange 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 August to September when the maximum temperature reaches above 26°C (72°F)

More info about the annual temperatures and sunshine.

Can you swim in Orange County year round?

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

The warmest sea water temperatures in Orange County are found in September when they peak at 20°C (68°F) and lowest in February when they dip to 15°C (59°F).

The sea temperature is above average for swimming between May and October when the sea temperature is above 17°C (62°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.

The sea is good for swimming in the months from August to September when the sea temperature is above 19°C (66°F)

More info about the annual sea temperatures

When is the hottest month in Orange County?

The hottest month in Orange County is August when the average maximum temperature is very warm and perfect for sunbathing on clear days 27°C (80°F), average temperature is 23°C (73°F) and average minimum temperature is 19°C (66°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Orange County?

The coolest month in Orange County is January when the average maximum temperature is 20°C (67°F), average temperature is 14°C (57°F) and average minimum temperature is 9°C (47°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Orange County?

The sunniest days in Orange County are in July which has the most hours of sunshine per day. In July the sunshine percentage is 77.2% making it sunny and pleasant most of the time. The hours of sunshine per day are 10.2hrs making the days very long and bright.

More info about the annual sunshine.

When is the least sunny month in Orange County?

January has the least sunshine. In January the sunshine percentage is 61.7% making it sunny but overcast at times. The hours of sunshine per day are 7.1hrs making the days quite long and bright.

More info about the annual sunshine.

When is the driest month in Orange County?

The driest month in Orange County is June with 0.2cm (0.1inches) of rain and August has the fewest days of rain with 0.5 days with some rain, an extremely dry time to visit the beach.

More info about the annual rainfall

When is the wettest month in Orange County?

The wettest month in Orange County is February with 9.1cm (3.6inches) of rain and December has the most days of rain with 8.9 days with some rain, a quite rainy time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Orange County?

The coldest sea water temperatures in Orange County are found in February when they dip to 15°C (59°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 Orange County?

The warmest sea water temperatures in Orange County are found in September when they peak at 20°C (68°F) which is comfortable for swimming though some may prefer warmer water.

More info about the annual sea temperatures.

When is the most humid month in Orange County?

The most humid month in Orange County is August with a dew point (an indicator of humidity) of 17°C (62°F) which is OK for most but slightly uncomfortable for some.

More info about the annual humidity.

When is the least humid month in Orange County?

The least humid month in Orange 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 Orange County?

The most windy month in Orange County is May when the average maximum windspeed is 23KM/H (14MPH) and the average wind speed is 10KM/H (6MPH).

More info about the annual wind conditions.

Annual Temperature for Orange County

The hottest month in Orange County is August when the average maximum temperature is 27°C (80°F), average temperature is 23°C (73°F) and average minimum temperature is 19°C (66°F).

The coolest month in Orange County is January when the average maximum temperature is 20°C (20°F), average temperature is 14°C (57°F) and average minimum temperature is 9°C (47°F).

Annual Sunshine for Orange County

The longest days in Orange County are in June, with an average of 14.4 hours of daylight per day. December has the shortest days with an average of 9.9 hours of daylight per day.

The sunniest days in Orange County are in July which has the most hours of sunshine per day. The sunshine percentage is 77.2% making it sunny and pleasant most of the time. The hours of sunshine per day are 10.2hrs making the days very long and bright.

January has the least sunshine. The sunshine percentage is 61.7% making it sunny but overcast at times. The hours of sunshine per day are 7.1hrs making the days quite long and bright.

The ultraviolet index is the highest in July when it reaches 11.7 and lowest in December when it reaches 3.3.

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 Orange County

The warmest sea water temperatures in Orange County are found in September when they peak at 20°C (68°F) and lowest in February when they dip to 15°C (59°F).

The sea is best for swimming between May and October when the temperature is above 17°C (62°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.

Annual Rainfall for Orange County

The wettest month in Orange County is February with 9.1cm (3.6inches) of rain and December has the most days of rain with 8.9 days with some rain, a quite rainy time to visit the beach.

The driest month in Orange County is June with 0.2cm (0.1inches) of rain and August has the fewest days of rain with 0.5 days with some rain, an extremely dry time to visit the beach.

Annual Humidity for Orange County

The most humid month in Orange County is August with a dew point (an indicator of humidity) of 17°C (62°F) which is OK for most but slightly uncomfortable for some.

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

Annual Wind Speed for Orange County

The most windy month in Orange County is May when the average maximum windspeed is 23KM/H (14MPH) and the average wind speed is 10KM/H (6MPH).

The least windy month in Orange County is December when the average maximum windspeed is 20KM/H (12MPH) and the average wind speed is 6KM/H (4MPH).

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