December weather forecastReservoir, Australia
December weather for Reservoir, Australia: The month with the longest days in Reservoir, Australia, is December, with an average of 14h and 42min of daylight. December, the first month of the summer in Reservoir, is a warm month, with temperature in the range of an average high of 23.7°C (74.7°F) and an average low of 12.7°C (54.9°F).
December
Weather in December
December, the first month of the summer in Reservoir, is a warm month, with temperature in the range of an average high of 23.7°C (74.7°F) and an average low of 12.7°C (54.9°F).Temperature
Reservoir's weather in December indicates an average high-temperature of a moderately hot 23.7°C (74.7°F), nearly consistent with the 21.5°C (70.7°F) of November. In Reservoir, December nights witness a steady temperature drop to a fresh 12.7°C (54.9°F).Humidity
In Reservoir, the average relative humidity in December is 65%.Rainfall
The wettest months in Reservoir are August and December, with an average 45mm (1.77") of rainfall.Daylight
The month with the longest days is December, with an average of 14h and 42min of daylight.On the first day of December, sunrise is at 5:51 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:44 pm AEDT.
Sunshine
December has the most sunshine of the year in Reservoir, with an average of 9.8h of sunshine.UV index
The months with the highest UV index are January through March, October through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 5 in December suggests the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Reservoir, Australia
- Average high temperature in December: 23.7°C
The warmest month (with the highest average high temperature) is January (25.8°C).
The month with the lowest average high temperature is July (12.4°C).
- Average low temperature in December: 12.7°C
The month with the highest average low temperature is February (14.8°C).
The coldest month (with the lowest average low temperature) is August (6.6°C).
Average pressure in December
Reservoir, Australia
- Average pressure in December: 1012.6mbar
The month with the highest atmospheric pressure is June (1021.4mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).
Average wind speed in December
Reservoir, Australia
- Average wind speed in December: 11.1km/h
The windiest month (with the highest average wind speed) is August (13.9km/h).
The calmest month (with the lowest average wind speed) is April (10.6km/h).
Average humidity in December
Reservoir, Australia
- Average humidity in December: 65%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is January (63%).
Average rainfall in December
Reservoir, Australia
- Average rainfall in December: 45mm
The wettest months (with the highest rainfall) are August and December (45mm).
The driest months (with the least rainfall) are March and April (34mm).
Average rainfall days in December
Reservoir, Australia
- Average rainfall days in December: 12.2 days
The months with the highest number of rainy days are July and August (16.9 days).
The month with the least rainy days is January (9.5 days).
Average daylight in December /
Average sunshine in December
Reservoir, Australia
- Average daylight in December: 14h and 42min
The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).
- Average sunshine in December: 9h and 48min
The month with the most sunshine is December (Average sunshine: 9h and 48min).
The months with the least sunshine are July and August (Average sunshine: 6h and 30min).
Average sunshine days in December
Reservoir, Australia
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is January (16.7 days).
The months with the least sunshine days are July and August (10.5 days).
Average UV index in December
Reservoir, Australia
- Average UV index in December: 5
The months with the highest UV index are January, February, March, October, November and December (UV index 5).
The months with the lowest UV index are May, June, July, August and September (UV index 3).
Average cloud cover in December
Reservoir, Australia
- Average cloud cover in December: 33
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 30).
Average visibility in December
Reservoir, Australia
- Average visibility in December: 9km
The months with the highest visibility are January, February and March (10km).
The months with the lowest visibility are April, May, June, July, August, September, October, November and December (9km).





