December weather forecastWindy Harbour, Australia
December
Weather in December
The first month of the summer, December, is a warm month in Windy Harbour, Australia, with an average temperature ranging between min 13°C (55.4°F) and max 24.1°C (75.4°F).Temperature
With the advent of December, Windy Harbour experiences an average high-temperature of a warm 24.1°C (75.4°F), mirroring a close resemblance to the previous month. In Windy Harbour, the nighttime temperature averages to a mild 13°C (55.4°F) during December.Humidity
The average relative humidity in December in Windy Harbour is 71%.Rainfall
In Windy Harbour, in December, it is raining for 8.7 days, with typically 15mm (0.59") of accumulated precipitation. Throughout the year, there are 151.3 rainfall days, and 437mm (17.2") of precipitation is accumulated.Daylight
With an average of 14h and 24min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 4:55 am and sunset at 7:14 pm. On the last day of December, sunrise is at 5:05 am and sunset at 7:32 pm AWST.
Sunshine
In Windy Harbour, the average sunshine in December is 9.8h.UV index
The months with the highest UV index are January through March, November and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 during December translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Windy Harbour, Australia
- Average high temperature in December: 24.1°C
The warmest month (with the highest average high temperature) is February (26°C).
The month with the lowest average high temperature is July (15.3°C).
- Average low temperature in December: 13°C
The month with the highest average low temperature is February (14.8°C).
The coldest month (with the lowest average low temperature) is August (8.3°C).
Average pressure in December
Windy Harbour, Australia
- Average pressure in December: 1014.8mbar
The month with the highest atmospheric pressure is May (1019.5mbar).
The month with the lowest atmospheric pressure is January (1013.9mbar).
Average wind speed in December
Windy Harbour, Australia
- Average wind speed in December: 11.9km/h
The windiest month (with the highest average wind speed) is September (12.9km/h).
The calmest month (with the lowest average wind speed) is April (10.4km/h).
Average humidity in December
Windy Harbour, Australia
- Average humidity in December: 71%
The months with the highest relative humidity are July and August (82%).
The months with the lowest relative humidity are January and February (70%).
Average rainfall in December
Windy Harbour, Australia
- Average rainfall in December: 15mm
The wettest month (with the highest rainfall) is July (81mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in December
Windy Harbour, Australia
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (6.6 days).
Average daylight in December /
Average sunshine in December
Windy Harbour, 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 48min
The month with the most sunshine is January (Average sunshine: 10h and 18min).
The month with the least sunshine is August (Average sunshine: 4h and 54min).
Average sunshine days in December
Windy Harbour, Australia
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is August (8.3 days).
Average UV index in December
Windy Harbour, Australia
- Average UV index in December: 5
The months with the highest UV index are January, February, March, November and December (UV index 5).
The months with the lowest UV index are June and August (UV index 3).
Average cloud cover in December
Windy Harbour, Australia
- Average cloud cover in December: 34
The months with the most cloud cover are July and August (Cloud cover 51).
The month with the least cloud cover is January (Cloud cover 30).
Average visibility in December
Windy Harbour, Australia
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





