December weather forecastPort Macdonnell, Australia
December
Weather in December
December, the first month of the summer in Port Macdonnell, is also an agreeable month, with an average temperature fluctuating between 22.7°C (72.9°F) and 12°C (53.6°F).Temperature
The high-temperature average in December for Port Macdonnell is a still pleasant 22.7°C (72.9°F), staying closely aligned with November's conditions. Port Macdonnell throughout December, records an average low-temperature of 12°C (53.6°F).Humidity
The average relative humidity in December in Port Macdonnell is 69%.Rainfall
In Port Macdonnell, in December, during 10.6 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, in Port Macdonnell, there are 164.2 rainfall days, and 426mm (16.77") of precipitation is accumulated.Daylight
The month with the longest days is December, with an average of 14h and 48min of daylight.On the first day of the month, sunrise is at 5:38 am and sunset at 8:14 pm. On the last day of December, sunrise is at 5:47 am and sunset at 8:33 pm ACDT.
Sunshine
December has the most sunshine of the year in Port Macdonnell, with an average of 9.5h of sunshine.UV index
The month with the highest UV index is December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 6 during December leads to these instructions:
Take precautions against overexposure. Protection against sun damage is needed. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Port Macdonnell, Australia
- Average high temperature in December: 22.7°C
The warmest month (with the highest average high temperature) is January (24.8°C).
The month with the lowest average high temperature is July (13°C).
- Average low temperature in December: 12°C
The month with the highest average low temperature is February (14.4°C).
The coldest month (with the lowest average low temperature) is August (7.2°C).
Average pressure in December
Port Macdonnell, Australia
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1013.1mbar).
Average wind speed in December
Port Macdonnell, Australia
- Average wind speed in December: 12.2km/h
The windiest month (with the highest average wind speed) is August (14km/h).
The calmest month (with the lowest average wind speed) is April (10.8km/h).
Average humidity in December
Port Macdonnell, Australia
- Average humidity in December: 69%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is January (64%).
Average rainfall in December
Port Macdonnell, Australia
- Average rainfall in December: 30mm
The wettest month (with the highest rainfall) is August (56mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in December
Port Macdonnell, Australia
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is August (20.2 days).
The months with the least rainy days are January and February (7.1 days).
Average daylight in December /
Average sunshine in December
Port Macdonnell, Australia
- Average daylight in December: 14h and 48min
The month with the longest days is December (Average daylight: 14h and 48min).
The month with the shortest days is June (Average daylight: 9h and 36min).
- Average sunshine in December: 9h and 30min
The month with the most sunshine is December (Average sunshine: 9h and 30min).
The month with the least sunshine is June (Average sunshine: 4h and 42min).
Average sunshine days in December
Port Macdonnell, Australia
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is August (7.8 days).
Average UV index in December
Port Macdonnell, Australia
- Average UV index in December: 6
The month with the highest UV index is December (UV index 6).
The months with the lowest UV index are June, July, August and September (UV index 3).
Average cloud cover in December
Port Macdonnell, Australia
- Average cloud cover in December: 37
The month with the most cloud cover is July (Cloud cover 53).
The month with the least cloud cover is January (Cloud cover 30).
Average visibility in December
Port Macdonnell, Australia
- Average visibility in December: 9km
The months with the highest visibility are January and February (10km).
The months with the lowest visibility are March, April, May, June, July, August, September, October, November and December (9km).





