December weather forecastNedlands, Australia

December

Weather in December

The first month of the summer, December, is still a warm month in Nedlands, Australia, with an average temperature varying between 17.9°C (64.2°F) and 25.7°C (78.3°F).

Temperature

The transition into December notes an average high-temperature of a still moderately hot 25.7°C (78.3°F), revealing a mild distinction from the 23.5°C (74.3°F) in November. During the nights in December, an average low-temperature of 17.9°C (64.2°F) is observed.

Humidity

The months with the lowest humidity in Nedlands, Australia, are January, February and December, with an average relative humidity of 59%.

Rainfall

In December, the rain falls for 5.2 days. Throughout December, 12mm (0.47") of precipitation is accumulated. Throughout the year, there are 114 rainfall days, and 404mm (15.91") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 14h and 12min of daylight.
On the first day of the month, sunrise is at 5:03 am and sunset at 7:08 pm. On the last day of December, in Nedlands, sunrise is at 5:13 am and sunset at 7:26 pm AWST.

Sunshine

January and December, with an average of 11.6h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are January through March and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 6 in December translates into this advice:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

Nedlands in December has an average high-temperature of 25.7°C (78.3°F) and an average low-temperature of 17.9°C (64.2°F). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in February is estimated at 29°C (84.2°F).

The months with the lowest humidity are January, February and December, with an average relative humidity of 59%.

The average relative humidity in December in Nedlands is 59%.

In December, in Nedlands, Australia, the rain falls for 5.2 days. Throughout December, 12mm (0.47") of precipitation is accumulated.

December has the longest days of the year in Nedlands, with an average of 14h and 12min of daylight.

In Nedlands, the average day length in December is 14h and 12min.

In December, on the first day of the month, sunrise is at 5:03 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 7:26 pm AWST.

The months with the most sunshine in Nedlands are January and December, with an average of 11.6h of sunshine.

The average sunshine duration in December is 11.6h.

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

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

Average temperature in December
Nedlands, Australia

  • Average high temperature in December: 25.7°C

The warmest month (with the highest average high temperature) is February (27.7°C).
The month with the lowest average high temperature is July (17.2°C).

  • Average low temperature in December: 17.9°C

The month with the highest average low temperature is February (19.8°C).
The coldest months (with the lowest average low temperature) are July and August (12.2°C).

Average pressure in December
Nedlands, Australia

  • Average pressure in December: 1012.6mbar

The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is January (1011.5mbar).

Average wind speed in December
Nedlands, Australia

  • Average wind speed in December: 19.4km/h

The windiest month (with the highest average wind speed) is January (19.7km/h).
The calmest month (with the lowest average wind speed) is April (16.2km/h).

Average humidity in December
Nedlands, Australia

  • Average humidity in December: 59%

The month with the highest relative humidity is August (72%).
The months with the lowest relative humidity are January, February and December (59%).

Average rainfall in December
Nedlands, Australia

  • Average rainfall in December: 12mm

The wettest month (with the highest rainfall) is June (75mm).
The driest month (with the least rainfall) is March (11mm).

Average rainfall days in December
Nedlands, Australia

  • Average rainfall days in December: 5.2 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (4.3 days).

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

  • Average daylight in December: 14h and 12min

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

  • Average sunshine in December: 11h and 36min

The months with the most sunshine are January and December (Average sunshine: 11h and 36min).
The month with the least sunshine is August (Average sunshine: 5h and 42min).

Average sunshine days in December
Nedlands, Australia

  • Average sunshine days in December: 24.2 days

The month with the most sunshine days is December (24.2 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in December
Nedlands, Australia

  • Average UV index in December: 6

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

Average cloud cover in December
Nedlands, Australia

  • Average cloud cover in December: 14

The month with the most cloud cover is July (Cloud cover 39).
The month with the least cloud cover is January (Cloud cover 13).

Average visibility in December
Nedlands, 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).