Caloundra
Australia
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Caloundra, Australia

December, the first month of the summer, in Caloundra, is also a moderately hot month, with average temperature ranging between max 26.3°C (79.3°F) and min 21.2°C (70.2°F).

Temperature

In Caloundra, Australia, the average high-temperature is relatively the same as in November - a still warm 26.3°C (79.3°F). In Caloundra, the average low-temperature is 21.2°C (70.2°F).

Humidity

The average relative humidity in December is 77%.

Rainfall

In Caloundra, during December, the rain falls for 15.7 days and regularly aggregates up to 60mm (2.36") of precipitation. In Caloundra, Australia, during the entire year, the rain falls for 176.6 days and collects up to 559mm (22.01") of precipitation.

Sea temperature

In Caloundra, the average seawater temperature in December is 25.8°C (78.4°F).
Note: 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.

Daylight

The month with the longest days in Caloundra is December, with an average of 13.8h of daylight.

Sunshine

In December, the average sunshine is 9.7h.

UV index

January through March, October through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 in December interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in December in Caloundra?

In Caloundra, in December, the average high-temperature is 26.3°C (79.3°F), and the average low-temperature is 21.2°C (70.2°F).

What is the average humidity in December in Caloundra?

In Caloundra, the average relative humidity in December is 77%.

How much does it rain in Caloundra in December?

In Caloundra, in December, during 15.7 rainfall days, 60mm (2.36") of precipitation is typically accumulated.

How warm is the water in December in Caloundra?

In Caloundra, the average seawater temperature in December is 25.8°C (78.4°F). 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.

When are the longest days in Caloundra?

December has the longest days of the year in Caloundra, Australia, with an average of 13.8h of daylight.

How many hours of daylight does Caloundra have in December?

The average length of the day in December in Caloundra, Australia, is 13.8h.

How many hours of sunshine does Caloundra have in December?

The average sunshine in December is 9.7h.

What are the months with the highest UV index in Caloundra?

January through March, October through December, with an average maximum UV index of 6, are months with the highest UV index in Caloundra, Australia.

How high is the UV index in December in Caloundra?

In Caloundra, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.
Average temperature in December - Caloundra, Australia
  • Average high temperature in December: 26.3°C

The warmest month (with the highest average high temperature) is January (27°C).
The month with the lowest average high temperature is July (19.2°C).

  • Average low temperature in December: 21.2°C

The month with the highest average low temperature is February (22.6°C).
The coldest month (with the lowest average low temperature) is July (13.8°C).

Average humidity in December - Caloundra, Australia
  • Average humidity in December: 77%

Months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is August (69%).

Average rainfall in December - Caloundra, Australia
  • Average rainfall in December: 60mm

The wettest month (with the highest rainfall) is February (81mm).
The driest month (with the lowest rainfall) is September (16mm).

Average rainfall days in December - Caloundra, Australia
  • Average rainfall days in December: 15.7 days

The month with the highest number of rainy days is March (20.8 days).
The month with the lowest number of rainy days is September (9.5 days).

Average sea temperature in December - Caloundra, Australia
  • Average sea temperature in December: 25.8°C

The best month for swimming (with the highest average sea temperature) is February (27.3°C).
The coldest month (with the lowest average sea temperature) is August (21.2°C).

Average daylight in December / Average sunshine in December - Caloundra, Australia
  • Average daylight in December: 13.8h

The month with the longest days is December (Average daylight: 13.8h).
The month with shortest days is June (Average daylight: 10.5h).

  • Average sunshine in December: 9.7h

The month with most sunshine is November (Average sunshine: 10.8h).
The month with least sunshine is June (Average sunshine: 6.1h).

Average UV index in December - Caloundra, Australia
  • Average UV index in December: 6

Months with the highest UV index are January, February, March, October, November and December (UV index 6).
Months with the lowest UV index are April, May, June, July, August and September (UV index 5).