December weather forecastDover Heights, Australia

December

Weather in December

December, the first month of the summer in Dover Heights, is still a warm month, with temperature in the range of an average low of 18.5°C (65.3°F) and an average high of 24.8°C (76.6°F).

Temperature

Dover Heights experiences a subtle adjustment in high-temperatures to a still moderately hot 24.8°C (76.6°F) with the onset of December, maintaining near parity with November's 23.5°C (74.3°F). December generally records an average low-temperature of 18.5°C (65.3°F).

Humidity

The average relative humidity in December is 73%.

Rainfall

In Dover Heights, in December, during 13 rainfall days, 42mm (1.65") of precipitation is typically accumulated. In Dover Heights, during the entire year, the rain falls for 152.6 days and collects up to 635mm (25") of precipitation.

Sea temperature

In Dover Heights, Australia, the average seawater temperature in December is 21.9°C (71.4°F).
Note: Swimming is not an enjoyable activity for the majority when the water is at 21.9°C (71.4°F). The difficulty of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

The month with the longest days is December, with an average of 14h and 24min of daylight.
On the first day of the month, sunrise is at 5:36 am and sunset at 7:51 pm. On the last day of December, sunrise is at 5:46 am and sunset at 8:09 pm AEDT.

Sunshine

In December, the average sunshine is 9.9h.

UV index

The months with the highest UV index are January, February and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 6 suggests this advice:
Ward off overexposure. Defence against solar harm is crucial. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Beware! Reflections from sand and water can intensify the Sun's UV radiation.

Frequently asked questions

The high-temperature during December is 24.8°C (76.6°F) and the low-temperature is 18.5°C (65.3°F).

The average relative humidity in December is 73%.

In Dover Heights, in December, during 13 rainfall days, 42mm (1.65") of precipitation is typically accumulated.

In December, the average sea temperature is 21.9°C (71.4°F). For most, swimming in 21.9°C (71.4°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

The month with the longest days is December, with an average of 14h and 24min of daylight.

The average day length in December is 14h and 22min.

In December, on the first day of the month, sunrise is at 5:36 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:09 pm AEDT.

The average sunshine duration in December is 9.9h.

The months with the highest UV index are January, February and December, with an average maximum UV index of 6.

In Dover Heights, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Dover Heights, Australia

  • Average high temperature in December: 24.8°C

The warmest month (with the highest average high temperature) is January (26.2°C).
The month with the lowest average high temperature is July (16.4°C).

  • Average low temperature in December: 18.5°C

The month with the highest average low temperature is January (20.3°C).
The coldest months (with the lowest average low temperature) are July and August (10.9°C).

Average pressure in December
Dover Heights, Australia

  • Average pressure in December: 1013.4mbar

The month with the highest atmospheric pressure is June (1020.8mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).

Average wind speed in December
Dover Heights, Australia

  • Average wind speed in December: 16.5km/h

The windiest month (with the highest average wind speed) is August (16.8km/h).
The calmest month (with the lowest average wind speed) is April (14.6km/h).

Average humidity in December
Dover Heights, Australia

  • Average humidity in December: 73%

The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (66%).

Average rainfall in December
Dover Heights, Australia

  • Average rainfall in December: 42mm

The wettest month (with the highest rainfall) is February (95mm).
The driest month (with the least rainfall) is September (32mm).

Average rainfall days in December
Dover Heights, Australia

  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is September (8.7 days).

Average sea temperature in December
Dover Heights, Australia

  • Average sea temperature in December: 21.9°C

The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).

Average daylight in December /
Average sunshine in December
Dover Heights, Australia

  • Average daylight in December: 14h and 24min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in December: 9h and 54min

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

Average sunshine days in December
Dover Heights, Australia

  • Average sunshine days in December: 14.4 days

The month with the most sunshine days is August (20.4 days).
The month with the least sunshine days is February (10.8 days).

Average UV index in December
Dover Heights, Australia

  • Average UV index in December: 6

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

Average cloud cover in December
Dover Heights, Australia

  • Average cloud cover in December: 36

The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in December
Dover Heights, 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).