December weather forecastRoyalla, Australia
December
Weather in December
December, the first month of the summer in Royalla, is a warm month, with an average temperature fluctuating between 11.5°C (52.7°F) and 24.8°C (76.6°F).Temperature
December ushers in an average high-temperature of a warm 24.8°C (76.6°F), aligning closely with the preceding month. Despite drastic daily temperature oscillations, Royalla cools down to an average low-temperature of 11.5°C (52.7°F) in December.Humidity
In Royalla, Australia, the average relative humidity in December is 66%.Rainfall
The wettest months in Royalla are February and December, with an average 49mm (1.93") of rainfall.Snowfall
January through July, October through December are months without snowfall.Daylight
December has the longest days of the year in Royalla, Australia, with an average of 14h and 30min of daylight.On the first day of December in Royalla, sunrise is at 5:41 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 8:21 pm AEDT.
Sunshine
December has the most sunshine of the year, with an average of 10.8h of sunshine.UV index
The months with the highest UV index are January and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 6 translates into these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Royalla, Australia
- Average high temperature in December: 24.8°C
The warmest month (with the highest average high temperature) is January (27.9°C).
The month with the lowest average high temperature is July (10.2°C).
- Average low temperature in December: 11.5°C
The month with the highest average low temperature is January (13.7°C).
The coldest month (with the lowest average low temperature) is July (1.1°C).
Average pressure in December
Royalla, Australia
- Average pressure in December: 1012.9mbar
The month with the highest atmospheric pressure is June (1021.7mbar).
The month with the lowest atmospheric pressure is January (1012.4mbar).
Average wind speed in December
Royalla, Australia
- Average wind speed in December: 9.1km/h
The windiest month (with the highest average wind speed) is August (10.6km/h).
The calmest month (with the lowest average wind speed) is April (8km/h).
Average humidity in December
Royalla, Australia
- Average humidity in December: 66%
The month with the highest relative humidity is June (85%).
The month with the lowest relative humidity is January (64%).
Average rainfall in December
Royalla, Australia
- Average rainfall in December: 49mm
The wettest months (with the highest rainfall) are February and December (49mm).
The driest month (with the least rainfall) is May (17mm).
Average rainfall days in December
Royalla, Australia
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is October (13.5 days).
The month with the least rainy days is May (7.4 days).
Average snowfall in December
Royalla, Australia
- Average snowfall in December: 0mm
The month with the highest snowfall is September (11mm).
The months with the least snowfall are January, February, March, April, May, June, July, October, November and December (0mm).
Average snowfall days in December
Royalla, Australia
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is August (0.9 days).
The months with the least snowfall days are January, February, March, April, May and December (0 days).
Average daylight in December /
Average sunshine in December
Royalla, Australia
- Average daylight in December: 14h and 30min
The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).
- Average sunshine in December: 10h and 48min
The month with the most sunshine is December (Average sunshine: 10h and 48min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).
Average sunshine days in December
Royalla, Australia
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is May (21.7 days).
The month with the least sunshine days is February (13.2 days).
Average UV index in December
Royalla, Australia
- Average UV index in December: 6
The months with the highest UV index are January and December (UV index 6).
The month with the lowest UV index is June (UV index 2).
Average cloud cover in December
Royalla, Australia
- Average cloud cover in December: 34
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 31).
Average visibility in December
Royalla, Australia
- Average visibility in December: 9km
The months with the highest visibility are January, February and December (9km).
The months with the lowest visibility are June, July and September (7km).





