December weather forecastHartley Vale, Australia
December weather for Hartley Vale, Australia: The first month of the summer, December, is a warm month in Hartley Vale, Australia, with an average temperature varying between 12.7°C (54.9°F) and 25.3°C (77.5°F). With an average of 14h and 18min of daylight, December has the longest days of the year in Hartley Vale, Australia.
December
Weather in December
The first month of the summer, December, is a warm month in Hartley Vale, Australia, with an average temperature varying between 12.7°C (54.9°F) and 25.3°C (77.5°F).Temperature
December's advent presents an average high-temperature of a moderately hot 25.3°C (77.5°F), indicating a slight variation from the conditions of the previous month. December nights in Hartley Vale are characterized by a notable drop from daytime highs, with an average low-temperature of 12.7°C (54.9°F).Humidity
The least humid month is December, with an average relative humidity of 68%.Rainfall
In December, the rain falls for 14.9 days. Throughout December, 54mm (2.13") of precipitation is accumulated. In Hartley Vale, during the entire year, the rain falls for 155.1 days and collects up to 548mm (21.57") of precipitation.Snowfall
January through May, November and December are months without snowfall in Hartley Vale.Daylight
With an average of 14h and 18min of daylight, December has the longest days of the year.On the first day of December, sunrise is at 5:41 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:12 pm AEDT.
Sunshine
With an average of 10h of sunshine, December has the most sunshine of the year in Hartley Vale.UV index
The months with the highest UV index in Hartley Vale are January and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the average maximum UV index of 6 translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hartley Vale, Australia
- Average high temperature in December: 25.3°C
The warmest month (with the highest average high temperature) is January (27.5°C).
The month with the lowest average high temperature is July (11.7°C).
- Average low temperature in December: 12.7°C
The month with the highest average low temperature is January (14.6°C).
The coldest month (with the lowest average low temperature) is July (2.5°C).
Average pressure in December
Hartley Vale, Australia
- Average pressure in December: 1013.1mbar
The month with the highest atmospheric pressure is June (1021.7mbar).
The month with the lowest atmospheric pressure is January (1012.6mbar).
Average wind speed in December
Hartley Vale, Australia
- Average wind speed in December: 8.1km/h
The windiest month (with the highest average wind speed) is August (10.4km/h).
The calmest month (with the lowest average wind speed) is April (7.4km/h).
Average humidity in December
Hartley Vale, Australia
- Average humidity in December: 68%
The month with the highest relative humidity is June (85%).
The month with the lowest relative humidity is December (68%).
Average rainfall in December
Hartley Vale, Australia
- Average rainfall in December: 54mm
The wettest month (with the highest rainfall) is February (91mm).
The driest month (with the least rainfall) is May (20mm).
Average rainfall days in December
Hartley Vale, Australia
- Average rainfall days in December: 14.9 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is May (8.5 days).
Average snowfall in December
Hartley Vale, Australia
- Average snowfall in December: 0mm
The month with the highest snowfall is August (19mm).
The months with the least snowfall are January, February, March, April, May, November and December (0mm).
Average snowfall days in December
Hartley Vale, Australia
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is August (1.2 days).
The months with the least snowfall days are January, February, March, April, November and December (0 days).
Average daylight in December /
Average sunshine in December
Hartley Vale, 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 0min
The month with the most sunshine is December (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 5h and 30min).
Average sunshine days in December
Hartley Vale, Australia
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is May (19.3 days).
The month with the least sunshine days is March (11 days).
Average UV index in December
Hartley Vale, Australia
- Average UV index in December: 6
The months with the highest UV index are January and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 3).
Average cloud cover in December
Hartley Vale, Australia
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility in December
Hartley Vale, Australia
- Average visibility in December: 8km
The months with the highest visibility are January, February, August, September, October, November and December (8km).
The months with the lowest visibility are March, April, May, June and July (7km).
