Monthly weather forecast and climate
Sydney, Canada

In January, in Sydney, the average high-temperature is -1°C (30.2°F), and the average low-temperature is -9°C (15.8°F). In January, in Sydney, the rain falls for 16 days.
Weather in January »
The coldest month is February, with an average high-temperature of -2°C (28.4°F) and an average low-temperature of -10°C (14°F). In Sydney, in February, it is raining for 12 days, with typically 118mm (4.6") of accumulated precipitation.
Weather in February »
The average high-temperature, in Sydney, is 1°C (33.8°F), while the average low-temperature is -7°C (19.4°F). In March, the rain falls for 13 days.
Weather in March »
The average high-temperature, in April, is 6°C (42.8°F), while the average low-temperature is -2°C (28.4°F). In Sydney, during April, the rain falls for 13 days and regularly aggregates up to 130mm (5.1") of precipitation.
Weather in April »
The average high-temperature, in Sydney, is 12°C (53.6°F), while the average low-temperature is 3°C (37.4°F). In Sydney, Canada, during May, the rain falls for 13 days and regularly aggregates up to 102mm (4") of precipitation.
Weather in May »
In June, the average high-temperature is 18°C (64.4°F), and the average low-temperature is 8°C (46.4°F). In Sydney, it is raining for 12 days, with typically 105mm (4.1") of accumulated precipitation.
Weather in June »
July and August, with an average high-temperature of 22°C (71.6°F), are warmest months. The month with the least rainfall in Sydney is July when the rain falls for 11 days and typically collects 89mm (3.5") of precipitation.
Weather in July »
Warmest months are July and August, with an average high-temperature of 22°C (71.6°F). In Sydney, in August, during 12 rainfall days, 106mm (4.2") of precipitation is typically accumulated.
Weather in August »
The average high-temperature, is 18°C (64.4°F), while the average low-temperature is 9°C (48.2°F). In Sydney, during 12 rainfall days, 109mm (4.3") of precipitation is typically accumulated.
Weather in September »
In October, the average high-temperature is 12°C (53.6°F), and the average low-temperature is 4°C (39.2°F). In October, in Sydney, the rain falls for 14 days.
Weather in October »
In Sydney, in November, the average high-temperature is 7°C (44.6°F), and the average low-temperature is 0°C (32°F). In Sydney, Canada, during 16 rainfall days, 161mm (6.3") of precipitation is typically accumulated.
Weather in November »
The average high-temperature, is 2°C (35.6°F), while the average low-temperature is -6°C (21.2°F). December is the month with the most rainfall.
Weather in December »

How much does it rain in Sydney?

Throughout the year, there are 162 rainfall days, and 1512mm (59.5") of precipitation is accumulated.

When is the lowest UV index in Sydney?

January, November and December, with an average UV index of 1, are months with the lowest UV index.

What is the coldest month in Sydney?

February is the coldest month in Sydney, with an average high-temperature of -2°C (28.4°F) and an average low-temperature of -10°C (14°F).

What is the month with the coldest sea water in Sydney?

The month with the coldest seawater in Sydney, Canada, is March, with an average sea temperature of -0.8°C (30.6°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

When are the longest days in Sydney?

With an average of 15.7h of daylight, June has the longest days of the year.

What is the month with the most sunshine in Sydney?

June and July, with an average of 8h of sunshine, are months with the most sunshine.

What is the month with the highest UV index in Sydney?

Months with the highest UV index in Sydney are June through August, with an average UV index of 7.

What is the warmest month in Sydney?

Warmest months in Sydney are July and August, with an average high-temperature of 22°C (71.6°F).

What is the driest month in Sydney?

The month with the least rainfall in Sydney is July when the rain falls for 11 days and typically collects 89mm (3.5") of precipitation.

What month is the sea warmest in Sydney?

August is the month with the warmest seawater, with an average sea temperature of 17.8°C (64°F). Swimming in 17.8°C (64°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

What is the wettest month in Sydney?

December is the month with the most rainfall. Rain falls for 18 days and accumulates 170mm (6.7") of precipitation.

What is the month with the shortest days in Sydney?

December has the shortest days of the year, with an average of 8.7h of daylight.

What is the month with the least sunshine in Sydney?

With an average of 2h of sunshine, December has the least sunshine of the year in Sydney.
Average rainfall - Sydney, Canada

The wettest month (with the highest rainfall) is December (170mm).
The driest month (with the lowest rainfall) is July (89mm).

Average rainfall days - Sydney, Canada
Average sea temperature - Sydney, Canada

The best month for swimming (with the highest average sea temperature) is August (17.8°C).
The coldest month (with the lowest average sea temperature) is March (-0.8°C).

Average daylight / Average sunshine - Sydney, Canada
Average UV index - Sydney, Canada
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