Cairns
Australia
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Cairns, Australia

October, the same as September, is another warm spring month in Cairns, Australia, with temperature in the range of an average low of 21.1°C (70°F) and an average high of 27.3°C (81.1°F).

Temperature

In Cairns, the average high-temperature in October is essentially the same as in September - a still warm 27.3°C (81.1°F). The average low-temperature, in October, is 21.1°C (70°F).

Heat index

In October, the average heat index is evaluated at 29.8°C (85.6°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like metabolic differences, differences in body mass, height, and shape, clothing, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In October, the rain falls for 8.3 days. Throughout October, 24mm (0.94") of precipitation is accumulated. Throughout the year, there are 167.3 rainfall days, and 652mm (25.67") of precipitation is accumulated.

Sea temperature

In Cairns, the average seawater temperature is 26.3°C (79.3°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Cairns, the average length of the day is 12.5h.

Sunshine

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

UV index

In October, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in October in Cairns?

The average high-temperature, in October, in Cairns, is 27.3°C (81.1°F), while the average low-temperature is 21.1°C (70°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that factores the actual air temperature with the relative humidity, in October is appraised at 29.8°C (85.6°F).

What is the least humid month in Cairns?

September and October, with an average relative humidity of 74%, are the least humid months.

What is the average humidity in October in Cairns?

In October, the average relative humidity is 74%.

How much does it rain in Cairns in October?

In Cairns, Australia, in October, during 8.3 rainfall days, 24mm (0.94") of precipitation is typically accumulated.

How warm is the water in October in Cairns?

In Cairns, the average seawater temperature in October is 26.3°C (79.3°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in October in Cairns?

In October, the average length of the day is 12.5h.

What is the month with the most sunshine in Cairns?

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

How long on average sun shines in October in Cairns?

In October, the average sunshine in Cairns, Australia, is 10.8h.

How high is the UV index in October in Cairns?

The average daily maximum UV index in October is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in October - Cairns, Australia
  • Average high temperature in October: 27.3°C

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).

  • Average low temperature in October: 21.1°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).

Average humidity in October - Cairns, Australia
  • Average humidity in October: 74%

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

Average rainfall in October - Cairns, Australia
  • Average rainfall in October: 24mm

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

Average rainfall days in October - Cairns, Australia
  • Average rainfall days in October: 8.3 days

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

Average sea temperature in October - Cairns, Australia
  • Average sea temperature in October: 26.3°C

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).

Average daylight in October / Average sunshine in October - Cairns, Australia
  • Average daylight in October: 12.5h

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

  • Average sunshine in October: 10.8h

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

Average UV index in October - Cairns, Australia
  • Average UV index in October: 6

Months with the highest UV index are January, February and November (UV index 7).
The month with the lowest UV index is July (UV index 5).