December weather forecastBallina, Australia

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Ballina, Australia, with temperature in the range of an average high of 25.5°C (77.9°F) and an average low of 20.8°C (69.4°F).

Temperature

December's presence records an average high-temperature of a still moderately hot 25.5°C (77.9°F), closely mirroring November's climate. A mild drop to an average of 20.8°C (69.4°F) marks the nights in Ballina, Australia, during December.

Humidity

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

Rainfall

In December, in Ballina, the rain falls for 18.6 days. Throughout December, 79mm (3.11") of precipitation is accumulated. Throughout the year, in Ballina, there are 197.8 rainfall days, and 867mm (34.13") of precipitation is accumulated.

Sea temperature

In Ballina, Australia, the average seawater temperature in December is 25.3°C (77.5°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.

Daylight

The month with the longest days in Ballina, Australia, is December, with an average of 14h and 0min of daylight.
On the first day of December in Ballina, sunrise is at 5:39 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 7:47 pm AEDT.

Sunshine

In Ballina, the average sunshine in December is 9.6h.

UV index

The months with the highest UV index in Ballina, Australia, are January through March, October through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 6 during December morphs into the following directions:
Resist overexposure. Safeguarding from solar damage is indispensable. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Stay alert! Reflective properties of sand and water amplify the Sun's UV radiation.

Frequently asked questions

The average high-temperature, in December, in Ballina, is 25.5°C (77.9°F), while the average low-temperature is 20.8°C (69.4°F).

The average relative humidity in December in Ballina, Australia, is 77%.

In Ballina, in December, during 18.6 rainfall days, 79mm (3.11") of precipitation is typically accumulated.

In December, the average sea temperature is 25.3°C (77.5°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

The month with the longest days is December, with an average of 14h and 0min of daylight.

In Ballina, Australia, the average day length in December is 13h and 57min.

On the first day of December in Ballina, Australia, sunrise is at 5:39 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 7:47 pm AEDT.

In Ballina, the average sunshine duration in December is 9.6h.

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

The average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ballina, Australia

  • Average high temperature in December: 25.5°C

The warmest month (with the highest average high temperature) is January (26.5°C).
The month with the lowest average high temperature is July (18.3°C).

  • Average low temperature in December: 20.8°C

The months with the highest average low temperature are January and February (21.8°C).
The coldest month (with the lowest average low temperature) is July (13.3°C).

Average pressure in December
Ballina, Australia

  • Average pressure in December: 1013.6mbar

The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).

Average wind speed in December
Ballina, Australia

  • Average wind speed in December: 17.4km/h

The windiest month (with the highest average wind speed) is October (18km/h).
The calmest month (with the lowest average wind speed) is May (15.3km/h).

Average humidity in December
Ballina, Australia

  • Average humidity in December: 77%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is August (70%).

Average rainfall in December
Ballina, Australia

  • Average rainfall in December: 79mm

The wettest month (with the highest rainfall) is February (123mm).
The driest month (with the least rainfall) is September (29mm).

Average rainfall days in December
Ballina, Australia

  • Average rainfall days in December: 18.6 days

The month with the highest number of rainy days is March (23.1 days).
The month with the least rainy days is September (10.5 days).

Average sea temperature in December
Ballina, Australia

  • Average sea temperature in December: 25.3°C

The best month for swimming (with the highest average sea temperature) is February (27.2°C).
The coldest month (with the lowest average sea temperature) is August (21.5°C).

Average daylight in December /
Average sunshine in December
Ballina, Australia

  • Average daylight in December: 14h and 0min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).

  • Average sunshine in December: 9h and 36min

The month with the most sunshine is November (Average sunshine: 10h and 30min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).

Average sunshine days in December
Ballina, Australia

  • Average sunshine days in December: 9.3 days

The month with the most sunshine days is August (17.3 days).
The month with the least sunshine days is March (5.8 days).

Average UV index in December
Ballina, Australia

  • Average UV index in December: 6

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

Average cloud cover in December
Ballina, Australia

  • Average cloud cover in December: 39

The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in December
Ballina, Australia

  • Average visibility in December: 10km

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