December weather forecastHillston, Australia
December
Weather in December
December, the first month of the summer in Hillston, is a hot month, with temperature in the range of an average low of 18.8°C (65.8°F) and an average high of 31.5°C (88.7°F).Temperature
The arrival of December introduces a minor uplift in high-temperatures, adjusting from a moderately hot 28.2°C (82.8°F) in November to a hot 31.5°C (88.7°F). Hillston's average low-temperature for the month of December denotes a significant decline from the daily high, recording at an enjoyable 18.8°C (65.8°F).Humidity
The average relative humidity in December is 38%.Rainfall
In Hillston, during December, the rain falls for 5.1 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, there are 78.8 rainfall days, and 212mm (8.35") of precipitation is accumulated.Daylight
The month with the longest days is December, with an average of 14h and 18min of daylight.On the first day of December, sunrise is at 6:00 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:31 pm AEDT.
Sunshine
With an average of 10.6h of sunshine, December has the most sunshine of the year.UV index
January, February and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 7 in December leads to these guidelines:
Inhibit overexposure. Warding off sun damage is of utmost importance. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hillston, Australia
- Average high temperature in December: 31.5°C
The warmest month (with the highest average high temperature) is January (34.3°C).
The month with the lowest average high temperature is July (13.9°C).
- Average low temperature in December: 18.8°C
The month with the highest average low temperature is January (21.1°C).
The coldest month (with the lowest average low temperature) is August (5°C).
Average pressure in December
Hillston, Australia
- Average pressure in December: 1011.2mbar
The month with the highest atmospheric pressure is June (1022.2mbar).
The month with the lowest atmospheric pressure is January (1010.1mbar).
Average wind speed in December
Hillston, Australia
- Average wind speed in December: 12.9km/h
The windiest month (with the highest average wind speed) is November (13.4km/h).
The calmest month (with the lowest average wind speed) is June (10.7km/h).
Average humidity in December
Hillston, Australia
- Average humidity in December: 38%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is January (36%).
Average rainfall in December
Hillston, Australia
- Average rainfall in December: 17mm
The wettest month (with the highest rainfall) is November (24mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days in December
Hillston, Australia
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is December (5.1 days).
Average daylight in December /
Average sunshine in December
Hillston, 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: 10h and 36min
The month with the most sunshine is December (Average sunshine: 10h and 36min).
The month with the least sunshine is June (Average sunshine: 7h and 36min).
Average sunshine days in December
Hillston, Australia
- Average sunshine days in December: 23.9 days
The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is July (20.7 days).
Average UV index in December
Hillston, Australia
- Average UV index in December: 7
The months with the highest UV index are January, February and December (UV index 7).
The months with the lowest UV index are June and August (UV index 3).
Average cloud cover in December
Hillston, Australia
- Average cloud cover in December: 17
The months with the most cloud cover are June and July (Cloud cover 35).
The month with the least cloud cover is January (Cloud cover 15).
Average visibility in December
Hillston, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, October, November and December (10km).
The months with the lowest visibility are May, June, July, August and September (9km).
