Annual average weather for Sydney Harbor, Sydney, Australia

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Annual Average Weather for Sydney Harbor, Sydney, Australia

The annual average maximum daily temperature is 22.7°C (72.8°F) which is warm and makes sunbathing pleasant on clear days. The annual average water temperature is typically 20.7°C (69.3°F) which is comfortable for swimming though some may prefer warmer water. Annually there are on average 13.5 days of rain per month and 9.6 hours of sun per day.

When is the best time to visit Sydney Harbor?

The best months to visit Sydney Harbor are January, February, November, December, 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 February when the maximum temperature reaches above 26°C (72°F)

The sea is best for swimming between December and May when the sea temperature is above the average 21°C (69°F) which is comfortable for swimming though some may prefer warmer water.

Can you sunbathe in Sydney Harbor year round?

No, you can't sunbathe in Sydney Harbor 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 February when the maximum temperature reaches above 26°C (72°F)

More info about the annual temperatures and sunshine.

Can you swim in Sydney Harbor year round?

No, you can't swim in Sydney Harbor all year round.

The warmest sea water temperatures in Sydney Harbor are found in April when they peak at 23°C (74°F) and lowest in October when they dip to 18°C (64°F).

The sea temperature is above average for swimming between December and May when the sea temperature is above 21°C (69°F) which is comfortable for swimming though some may prefer warmer water.

For very comfortable swimming conditions try swimming in the months from December to May when the sea temperature is above 22°C (72°F)

More info about the annual sea temperatures

When is the hottest month in Sydney Harbor?

The hottest month in Sydney Harbor is January when the average maximum temperature is very warm and perfect for sunbathing on clear days 27°C (81°F), average temperature is 23°C (74°F) and average minimum temperature is 20°C (68°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Sydney Harbor?

The coolest month in Sydney Harbor is July when the average maximum temperature is 17°C (63°F), average temperature is 13°C (55°F) and average minimum temperature is 9°C (48°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Sydney Harbor?

The sunniest days in Sydney Harbor are in December which has the most hours of sunshine per day. In December the sunshine percentage is 82% making it very sunny and pleasant with blue skies most of the time. The hours of sunshine per day are 11.1hrs making the days very long and bright.

More info about the annual sunshine.

When is the least sunny month in Sydney Harbor?

July has the least sunshine. In July the sunshine percentage is 76% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.8hrs making the days quite long and bright.

More info about the annual sunshine.

When is the driest month in Sydney Harbor?

The driest month in Sydney Harbor is January with 6.1cm (2.4inches) of rain and August has the fewest days of rain with 9.7 days with some rain, a quite rainy time to visit the beach.

More info about the annual rainfall

When is the wettest month in Sydney Harbor?

The wettest month in Sydney Harbor is June with 38cm (15.0inches) of rain and February has the most days of rain with 16.6 days with some rain, a wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Sydney Harbor?

The coldest sea water temperatures in Sydney Harbor are found in October when they dip to 18°C (64°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 sea the warmest in Sydney Harbor?

The warmest sea water temperatures in Sydney Harbor are found in April when they peak at 23°C (74°F) which is warm and pleasant for relaxing and swimming for long periods.

More info about the annual sea temperatures.

When is the most humid month in Sydney Harbor?

The most humid month in Sydney Harbor is January with a dew point (an indicator of humidity) of 20°C (67°F) which is somewhat uncomfortable for most people in cities but fine on a beach.

More info about the annual humidity.

When is the least humid month in Sydney Harbor?

The least humid month in Sydney Harbor is July with a dew point of 9°C (48°F) which is a bit dry for some.

More info about the annual humidity.

When is the windiest month in Sydney Harbor?

The most windy month in Sydney Harbor is December when the average maximum windspeed is 39KM/H (24MPH) and the average wind speed is 21KM/H (13MPH).

More info about the annual wind conditions.

Annual Temperature for Sydney Harbor

The hottest month in Sydney Harbor is January when the average maximum temperature is 27°C (81°F), average temperature is 23°C (74°F) and average minimum temperature is 20°C (68°F).

The coolest month in Sydney Harbor is July when the average maximum temperature is 17°C (17°F), average temperature is 13°C (55°F) and average minimum temperature is 9°C (48°F).

Annual Sunshine for Sydney Harbor

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

The sunniest days in Sydney Harbor are in December which has the most hours of sunshine per day. The sunshine percentage is 82% making it very sunny and pleasant with blue skies most of the time. The hours of sunshine per day are 11.1hrs making the days very long and bright.

July has the least sunshine. The sunshine percentage is 76% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.8hrs making the days quite long and bright.

The ultraviolet index is the highest in January when it reaches 13.8 and lowest in June when it reaches 2.6.

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 Sydney Harbor

The warmest sea water temperatures in Sydney Harbor are found in April when they peak at 23°C (74°F) and lowest in October when they dip to 18°C (64°F).

The sea is best for swimming between December and May when the temperature is above 21°C (69°F) which is comfortable for swimming though some may prefer warmer water.

Annual Rainfall for Sydney Harbor

The wettest month in Sydney Harbor is June with 38cm (15.0inches) of rain and February has the most days of rain with 16.6 days with some rain, a wet time to visit the beach.

The driest month in Sydney Harbor is January with 6.1cm (2.4inches) of rain and August has the fewest days of rain with 9.7 days with some rain, a quite rainy time to visit the beach.

Annual Humidity for Sydney Harbor

The most humid month in Sydney Harbor is January with a dew point (an indicator of humidity) of 20°C (67°F) which is somewhat uncomfortable for most people in cities but fine on a beach.

The least humid month in Sydney Harbor is July with a dew point of 9°C (48°F) which is a bit dry for some.

Annual Wind Speed for Sydney Harbor

The most windy month in Sydney Harbor is December when the average maximum windspeed is 39KM/H (24MPH) and the average wind speed is 21KM/H (13MPH).

The least windy month in Sydney Harbor is May when the average maximum windspeed is 29KM/H (18MPH) and the average wind speed is 17KM/H (11MPH).

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