Monthly weather forecast and climate
Cairns, Australia

Weather in January

January, like December, in Cairns, Australia, is another warm summer month, with average temperature varying between 29.3°C (84.7°F) and 24.3°C (75.7°F). In January, the average high-temperature is practically the same as in December - a still moderately hot 29.3°C (84.7°F). Weather in January »

Weather in February

The last month of the summer, February, is another warm month in Cairns, Australia, with average temperature varying between 29.4°C (84.9°F) and 24.3°C (75.7°F). With an average high-temperature of 29.4°C (84.9°F) and an average low-temperature of 24.3°C (75.7°F), February is the warmest month. The average heat index is appraised at a torrid 35.6°C (96.1°F). Weather in February »

Weather in March

The first month of the autumn, March, is still a warm month in Cairns, Australia, with average temperature varying between 23.7°C (74.7°F) and 28.3°C (82.9°F). In March, the average high-temperature is essentially the same as in February - a still warm 28.3°C (82.9°F). Weather in March »

Weather in April

April, the same as March, is another warm autumn month in Cairns, Australia, with average temperature ranging between min 22.3°C (72.1°F) and max 27°C (80.6°F). In Cairns, the average high-temperature in April is almost the same as in March - a still warm 27°C (80.6°F). Weather in April »

Weather in May

May, the last month of the autumn, in Cairns, is also a moderately hot month, with average temperature ranging between max 24.9°C (76.8°F) and min 20.7°C (69.3°F). In Cairns, the average high-temperature in May is almost the same as in April - a still warm 24.9°C (76.8°F). Weather in May »

Weather in June

June, the first month of the winter, in Cairns, is also a moderately hot month, with average temperature fluctuating between 23.7°C (74.7°F) and 18.9°C (66°F). In Cairns, the average high-temperature in June is practically the same as in May - a still moderately hot 23.7°C (74.7°F). Weather in June »

Weather in July

July, the same as June, is another warm winter month in Cairns, Australia, with average temperature varying between 18.3°C (64.9°F) and 23.2°C (73.8°F). With an average high-temperature of 23.2°C (73.8°F) and an average low-temperature of 18.3°C (64.9°F), July is the coldest month. Weather in July »

Weather in August

The last month of the winter, August, is another warm month in Cairns, Australia, with average temperature varying between 18°C (64.4°F) and 24°C (75.2°F). In Cairns, the average high-temperature in August is almost the same as in July - a still warm 24°C (75.2°F). Weather in August »

Weather in September

The first month of the spring, September, is still a warm month in Cairns, Australia, with average temperature fluctuating between 25.8°C (78.4°F) and 19.5°C (67.1°F). In September, the average high-temperature is practically the same as in August - a still warm 25.8°C (78.4°F). Weather in September »

Weather in October

October, like September, in Cairns, Australia, is a moderately hot spring month, with average temperature fluctuating between 27.3°C (81.1°F) and 21.1°C (70°F). In Cairns, the average high-temperature in October is practically the same as in September - a still moderately hot 27.3°C (81.1°F). Weather in October »

Weather in November

November, the last month of the spring, in Cairns, is another warm month, with average temperature ranging between min 22.4°C (72.3°F) and max 28.5°C (83.3°F). In November, the average high-temperature is essentially the same as in October - a still moderately hot 28.5°C (83.3°F). Weather in November »

Weather in December

December, the first month of the summer, in Cairns, is still a warm month, with average temperature fluctuating between 23.5°C (74.3°F) and 29.2°C (84.6°F). In Cairns, Australia, the average high-temperature is practically the same as in November - a still moderately hot 29.2°C (84.6°F). Weather in December »
[Resources]

FAQ

How much does it rain in Cairns?

Throughout the year, there are 167.3 rainfall days, and 652mm (25.67") of precipitation is accumulated.

What is the wettest month in Cairns?

January is the month with the most rainfall in Cairns, Australia. Rain falls for 22.4 days and accumulates 162mm (6.38") of precipitation.

What month is the sea warmest in Cairns?

With an average sea temperature of 29.5°C (85.1°F), January is the month with the warmest seawater.

When is the highest UV index in Cairns?

Months with the highest UV index in Cairns are January, February and November, with an average maximum UV index of 7.

What is the warmest month in Cairns?

With an average high-temperature of 29.4°C (84.9°F) and an average low-temperature of 24.3°C (75.7°F), February is the warmest month in Cairns, Australia.

What is the most humid month in Cairns?

March is the most humid month, with an average relative humidity of 81%.

What is the month with the shortest days in Cairns?

June has the shortest days of the year, with an average of 11.1h of daylight.

What is the month with the least sunshine in Cairns?

With an average of 5.9h of sunshine, June has the least sunshine of the year in Cairns.

What is the coldest month in Cairns?

July is the coldest month in Cairns, with an average high-temperature of 23.2°C (73.8°F) and an average low-temperature of 18.3°C (64.9°F).

What month is the sea coldest in Cairns?

July is the month with the coldest seawater in Cairns, with an average sea temperature of 23.8°C (74.8°F).

What is the month with the lowest UV index in Cairns?

With an average maximum UV index of 5, July is the month with the lowest UV index.

What is the least humid month in Cairns?

Months with the lowest humidity in Cairns are September and October, with an average relative humidity of 74%.

What is the driest month in Cairns?

The month with the least rainfall in Cairns, Australia, is September when the rain falls for 7.2 days and typically collects 9mm (0.35") of precipitation.

What is the month with the most sunshine in Cairns?

October and November, with an average of 10.8h of sunshine, are months with the most sunshine in Cairns.

When are the longest days in Cairns?

The month with the longest days in Cairns, Australia, is December, with an average of 13.1h of daylight.

Average temperature
Cairns, Australia

Average temperature - Cairns, Australia

The warmest month (with the highest average high temperature) is February (29.4°C).
The month with the lowest average high temperature is July (23.2°C).

Months with the highest average low temperature are January and February (24.3°C).
The coldest month (with the lowest average low temperature) is August (18°C).

[Resources]

Average pressure
Cairns, Australia

Average pressure - Cairns, Australia

The month with the highest atmospheric pressure is July (1016.8mbar).
The month with the lowest atmospheric pressure is January (1007.6mbar).

[Resources]

Average wind speed
Cairns, Australia

Average wind speed - Cairns, Australia

The windiest month (with the highest average wind speed) is May (17.2km/h).
The calmest month (with the lowest average wind speed) is February (11.2km/h).

[Resources]

Average humidity
Cairns, Australia

Average humidity - Cairns, Australia

The month with the highest relative humidity is March (81%).
Months with the lowest relative humidity are September and October (74%).

[Resources]

Average rainfall
Cairns, Australia

Average rainfall - Cairns, Australia

The wettest month (with the highest rainfall) is January (162mm).
The driest month (with the least rainfall) is September (9mm).

[Resources]

Average rainfall days
Cairns, Australia

Average rainfall days - Cairns, Australia

The month with the highest number of rainy days is January (22.4 days).
The month with the least rainy days is September (7.2 days).

[Resources]

Average sea temperature
Cairns, Australia

Average sea temperature - Cairns, Australia

The best month for swimming (with the highest average sea temperature) is January (29.5°C).
The coldest month (with the lowest average sea temperature) is July (23.8°C).

[Resources]

Average daylight / Average sunshine
Cairns, Australia

Average daylight / Average sunshine - Cairns, Australia

The month with the longest days is December (Average daylight: 13.1h).
The month with the shortest days is June (Average daylight: 11.1h).

Months with the most sunshine are October and November (Average sunshine: 10.8h).
The month with the least sunshine is June (Average sunshine: 5.9h).

[Resources]

Average sunshine days
Cairns, Australia

Average sunshine days - Cairns, Australia

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is January (6.3 days).

[Resources]

Average visibility
Cairns, Australia

Average visibility - Cairns, Australia

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

[Resources]