December weather forecastNambucca Heads, Australia

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Nambucca Heads, Australia, with an average temperature varying between 26.1°C (79°F) and 18.8°C (65.8°F).

Temperature

The shift from November to December is characterized by an average high-temperature of a still warm 26.1°C (79°F), not significantly different from the 25.1°C (77.2°F) of November. The average temperature during December nights in Nambucca Heads is registered at an enjoyable 18.8°C (65.8°F).

Humidity

In December, the average relative humidity in Nambucca Heads is 76%.

Rainfall

In Nambucca Heads, in December, it is raining for 17.9 days, with typically 73mm (2.87") of accumulated precipitation. In Nambucca Heads, Australia, during the entire year, the rain falls for 195.1 days and collects up to 804mm (31.65") of precipitation.

Sea temperature

In Nambucca Heads, in December, the average water temperature is 24.6°C (76.3°F).
Note: Taking into account a person's sensitivity to the cold, given sunshine, wind, and air temperature, swimming in 24.6°C (76.3°F) might be pleasant. (FYI: The water temperature set for the Olympic swimming event is between 25°C (77°F) and 28°C (82.4°F).)

Daylight

December has the longest days of the year in Nambucca Heads, with an average of 14h and 6min of daylight.
On the first day of December, sunrise is at 5:37 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:53 pm AEDT.

Sunshine

The average sunshine in December in Nambucca Heads is 9.9h.

UV index

January, February, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 6 in December translates into these instructions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take note! Sand and water reflections strengthen the Sun's UV exposure.

Frequently asked questions

The high-temperature, in December, in Nambucca Heads, is 26.1°C (79°F), while the low-temperature averages to 18.8°C (65.8°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in January is computed to be 30°C (86°F).

The average relative humidity in December in Nambucca Heads is 76%.

In December, in Nambucca Heads, Australia, the rain falls for 17.9 days. Throughout December, 73mm (2.87") of precipitation is accumulated.

In December, the average sea temperature in Nambucca Heads, Australia, is 24.6°C (76.3°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.6°C (76.3°F).

With an average of 14h and 6min of daylight, December has the longest days of the year in Nambucca Heads, Australia.

In Nambucca Heads, Australia, the average day length in December is 14h and 5min.

In December, on the first day of the month, sunrise is at 5:37 am and sunset at 7:36 pm. On the last day of the month, in Nambucca Heads, Australia, sunrise is at 5:48 am and sunset at 7:53 pm AEDT.

In December, the average sunshine duration in Nambucca Heads, Australia, is 9.9h.

January, February, November and December, with an average maximum UV index of 6, are months with the highest UV index in Nambucca Heads, Australia.

The average daily maximum UV index in December in Nambucca Heads is 6. A UV Index estimate of 6 to 7 represents a high health risk from 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Nambucca Heads, Australia

  • Average high temperature in December: 26.1°C

The warmest month (with the highest average high temperature) is January (27.2°C).
The month with the lowest average high temperature is July (17.8°C).

  • Average low temperature in December: 18.8°C

The month with the highest average low temperature is January (20.4°C).
The coldest month (with the lowest average low temperature) is July (11.1°C).

Average pressure in December
Nambucca Heads, Australia

  • Average pressure in December: 1013.7mbar

The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is January (1013mbar).

Average wind speed in December
Nambucca Heads, Australia

  • Average wind speed in December: 13.1km/h

The windiest month (with the highest average wind speed) is January (13.2km/h).
The calmest months (with the lowest average wind speed) are April and May (11.6km/h).

Average humidity in December
Nambucca Heads, Australia

  • Average humidity in December: 76%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is August (68%).

Average rainfall in December
Nambucca Heads, Australia

  • Average rainfall in December: 73mm

The wettest month (with the highest rainfall) is February (110mm).
The driest month (with the least rainfall) is September (26mm).

Average rainfall days in December
Nambucca Heads, Australia

  • Average rainfall days in December: 17.9 days

The month with the highest number of rainy days is March (22.5 days).
The month with the least rainy days is August (10.3 days).

Average sea temperature in December
Nambucca Heads, Australia

  • Average sea temperature in December: 24.6°C

The best month for swimming (with the highest average sea temperature) is February (26.8°C).
The coldest month (with the lowest average sea temperature) is July (20.7°C).

Average daylight in December /
Average sunshine in December
Nambucca Heads, Australia

  • Average daylight in December: 14h and 6min

The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).

  • Average sunshine in December: 9h and 54min

The month with the most sunshine is November (Average sunshine: 10h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).

Average sunshine days in December
Nambucca Heads, Australia

  • Average sunshine days in December: 9.6 days

The month with the most sunshine days is August (17.4 days).
The month with the least sunshine days is March (5.4 days).

Average UV index in December
Nambucca Heads, Australia

  • Average UV index in December: 6

The months with the highest UV index are January, February, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 4).

Average cloud cover in December
Nambucca Heads, Australia

  • Average cloud cover in December: 38

The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in December
Nambucca Heads, Australia

  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).