Lake Illawarra
Australia
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Lake Illawarra, Australia

In Lake Illawarra, Australia, the average seawater temperature in January is 22.9°C (73.2°F). Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. Weather in January »
The month with the warmest seawater in Lake Illawarra, Australia, is February, with an average sea temperature of 23.5°C (74.3°F). Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. Weather in February »

In Lake Illawarra, Australia, the average seawater temperature in March is 22.7°C (72.9°F). Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 22.7°C (72.9°F) water. Weather in March »

In April, the average sea temperature in Lake Illawarra, Australia, is 22.4°C (72.3°F). Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. Weather in April »

In May, the average sea temperature in Lake Illawarra, Australia, is 19.8°C (67.6°F). Note: For swimming, a surface water temperature of 19.8°C (67.6°F) is not enjoyable for the majority. Weather in May »

In June, the average sea temperature in Lake Illawarra, Australia, is 18.4°C (65.1°F). Note: For most, swimming in 18.4°C (65.1°F) is not an enjoyable activity. Weather in June »

In July, the average sea temperature in Lake Illawarra, Australia, is 18.3°C (64.9°F). Note: Swimming in 18.3°C (64.9°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F). Weather in July »

The month with the coldest seawater in Lake Illawarra, Australia, is August, with an average sea temperature of 18.1°C (64.6°F). Note: Swimming in 18.1°C (64.6°F) is not enjoyable for the majority. Weather in August »

In Lake Illawarra, Australia, the average seawater temperature in September is 18.2°C (64.8°F). Note: For most, swimming in 18.2°C (64.8°F) is not an enjoyable activity. Weather in September »

In Lake Illawarra, Australia, in October, the average water temperature is 18.8°C (65.8°F). Note: For most, swimming in 18.8°C (65.8°F) is not an enjoyable activity. Weather in October »

In November, the average sea temperature in Lake Illawarra, Australia, is 20.5°C (68.9°F). Note: For swimming, a surface water temperature of 20.5°C (68.9°F) is not enjoyable for the majority. Weather in November »

In December, the average sea temperature in Lake Illawarra, Australia, is 21.1°C (70°F). Note: Swimming in 21.1°C (70°F) is not enjoyable for the majority. Weather in December »

What is the month with the warmest sea water in Lake Illawarra?

With an average sea temperature of 23.5°C (74.3°F), February is the month with the warmest seawater.

What is the month with the shortest days in Lake Illawarra?

The month with the shortest days in Lake Illawarra, Australia, is June, with an average of 9.9h of daylight.

When is the sea coldest in Lake Illawarra?

August is the month with the coldest seawater, with an average sea temperature of 18.1°C (64.6°F).

When are the longest days in Lake Illawarra?

December has the longest days of the year in Lake Illawarra, with an average of 14.4h of daylight.
Average sea temperature - Lake Illawarra, Australia

The best month for swimming (with the highest average sea temperature) is February (23.5°C).
The coldest month (with the lowest average sea temperature) is August (18.1°C).

Average daylight - Lake Illawarra, Australia

The month with the longest days is December (Average daylight: 14.4h).
The month with shortest days is June (Average daylight: 9.9h).