December weather forecastWaroona, Australia
December
Weather in December
December, the first month of the summer in Waroona, is a moderately hot month, with an average temperature varying between 17.2°C (63°F) and 25.1°C (77.2°F).Temperature
The arrival of December sees a recorded average high-temperature of a warm 25.1°C (77.2°F), showing little divergence from the previous month's conditions. In the month of December, the average temperature dips to a refreshing 17.2°C (63°F) during the night.Humidity
In December, the average relative humidity is 62%.Rainfall
December is the month with the least rainfall in Waroona. Rain falls for 4.5 days and accumulates 7mm (0.28") of precipitation.Daylight
December has the longest days of the year, with an average of 14h and 18min of daylight.On the first day of December, sunrise is at 5:00 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 7:27 pm AWST.
Sunshine
In Waroona, the average sunshine in December is 11.4h.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 of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, a regular UV index of 6 translates into these guidelines:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Waroona, Australia
- Average high temperature in December: 25.1°C
The warmest month (with the highest average high temperature) is February (27.2°C).
The month with the lowest average high temperature is July (16.4°C).
- Average low temperature in December: 17.2°C
The month with the highest average low temperature is February (19°C).
The coldest months (with the lowest average low temperature) are August and September (11.8°C).
Average pressure in December
Waroona, Australia
- Average pressure in December: 1013.1mbar
The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is January (1012mbar).
Average wind speed in December
Waroona, Australia
- Average wind speed in December: 19.8km/h
The windiest month (with the highest average wind speed) is January (20.1km/h).
The calmest month (with the lowest average wind speed) is April (16.7km/h).
Average humidity in December
Waroona, Australia
- Average humidity in December: 62%
The months with the highest relative humidity are July and August (74%).
The month with the lowest relative humidity is January (61%).
Average rainfall in December
Waroona, Australia
- Average rainfall in December: 7mm
The wettest month (with the highest rainfall) is June (79mm).
The driest month (with the least rainfall) is December (7mm).
Average rainfall days in December
Waroona, Australia
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (3.3 days).
Average daylight in December /
Average sunshine in December
Waroona, Australia
- Average daylight in December: 14h and 18min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in December: 11h and 24min
The month with the most sunshine is January (Average sunshine: 11h and 30min).
The month with the least sunshine is August (Average sunshine: 5h and 36min).
Average sunshine days in December
Waroona, Australia
- Average sunshine days in December: 25.4 days
The month with the most sunshine days is December (25.4 days).
The month with the least sunshine days is August (10.7 days).
Average UV index in December
Waroona, 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
Waroona, Australia
- Average cloud cover in December: 15
The month with the most cloud cover is July (Cloud cover 40).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in December
Waroona, 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).
