Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A subtle rise in the average high-temperature is observed during December, adjusting from a moderately hot 28.2°C (82.8°F) in November to a hot 31.5°C (88.7°F). In Hillston, the average temperature during the nights of December marks a significant drop from the daily high, settling at an enjoyable 18.8°C (65.8°F).Humidity
In Hillston, the average relative humidity in December is 38%.Rainfall
In December, the rain falls for 5.1 days. Throughout December, 17mm (0.67") of precipitation is accumulated. In Hillston, during the entire year, the rain falls for 78.8 days and collects up to 212mm (8.35") of precipitation.Daylight
December has the longest days of the year in Hillston, with an average of 14h and 18min of daylight.On the first day of December in Hillston, 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
December has the most sunshine of the year, with an average of 10.6h of sunshine.UV index
The months with the highest UV index in Hillston are January, February and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 7 suggests these recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
How hot does it get in Hillston in December?
What is the average humidity in December in Hillston?
How many days does it rain in December in Hillston?
When are the longest days in Hillston?
What is the average length of the day in December in Hillston?
When is the sunrise / sunset in December in Hillston?
What month has the most sunshine in Hillston?
How long on average sun shines in December in Hillston?
What are the months with the highest UV index in Hillston?
What is the UV index reading in December in Hillston?
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 2min
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 4min
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).
Hillston, Australia
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