December weather forecastJilliby, Australia
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Jilliby, Australia, with an average temperature ranging between min 18.1°C (64.6°F) and max 25.9°C (78.6°F).Temperature
Jilliby, Australia, experiences a transition to a still warm 25.9°C (78.6°F) in average high-temperatures with the arrival of December, not greatly differing from November's 24.4°C (75.9°F). In Jilliby, December nights witness a steady temperature drop to a refreshing 18.1°C (64.6°F).Humidity
In Jilliby, the average relative humidity in December is 73%.Rainfall
In Jilliby, in December, it is raining for 13.6 days, with typically 39mm (1.54") of accumulated precipitation. In Jilliby, during the entire year, the rain falls for 156.9 days and collects up to 628mm (24.72") of precipitation.Daylight
With an average of 14h and 18min of daylight, December has the longest days of the year in Jilliby.On the first day of December, sunrise is at 5:37 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:06 pm AEDT.
Sunshine
The average sunshine in December in Jilliby, Australia, is 9.7h.UV index
The months with the highest UV index in Jilliby are January, February, October through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 6 during December translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. 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
Jilliby, Australia
- Average high temperature in December: 25.9°C
The warmest month (with the highest average high temperature) is January (27°C).
The month with the lowest average high temperature is July (16.5°C).
- Average low temperature in December: 18.1°C
The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).
Average pressure in December
Jilliby, 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 (1012.8mbar).
Average wind speed in December
Jilliby, Australia
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is August (13.6km/h).
The calmest month (with the lowest average wind speed) is April (12km/h).
Average humidity in December
Jilliby, Australia
- Average humidity in December: 73%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Jilliby, Australia
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is February (100mm).
The driest month (with the least rainfall) is August (34mm).
Average rainfall days in December
Jilliby, Australia
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is March (16.5 days).
The month with the least rainy days is August (9.2 days).
Average daylight in December /
Average sunshine in December
Jilliby, 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: 9h and 42min
The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in December
Jilliby, Australia
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is August (20 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in December
Jilliby, Australia
- Average UV index in December: 6
The months with the highest UV index are January, February, October, November and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in December
Jilliby, Australia
- Average cloud cover in December: 36
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Jilliby, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
