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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).





