December weather forecastGrass Patch, Australia
December
Weather in December
The first month of the summer, December, is still a pleasant month in Grass Patch, Australia, with an average temperature ranging between min 16.2°C (61.2°F) and max 22.9°C (73.2°F).Temperature
The advent of December denotes an average high-temperature of a still pleasant 22.9°C (73.2°F), subtly different from November's 21.3°C (70.3°F). Nighttime temperature dips to a mean of 16.2°C (61.2°F) during December.Humidity
The least humid month in Grass Patch, Australia, is December, with an average relative humidity of 66%.Rainfall
In December, in Grass Patch, Australia, the rain falls for 9.3 days. Throughout December, 25mm (0.98") of precipitation is accumulated. In Grass Patch, during the entire year, the rain falls for 144.9 days and collects up to 372mm (14.65") of precipitation.Daylight
December has the longest days of the year in Grass Patch, with an average of 14h and 18min of daylight.On the first day of the month, sunrise is at 4:36 am and sunset at 6:47 pm. On the last day of December, in Grass Patch, sunrise is at 4:46 am and sunset at 7:05 pm AWST.
Sunshine
January and December, with an average of 10.5h of sunshine, are months with the most sunshine.UV index
In December, the average daily maximum UV index in Grass Patch is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, an average UV index of 5 transforms into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grass Patch, Australia
- Average high temperature in December: 22.9°C
The warmest month (with the highest average high temperature) is January (24.7°C).
The month with the lowest average high temperature is July (16°C).
- Average low temperature in December: 16.2°C
The month with the highest average low temperature is February (18.1°C).
The coldest months (with the lowest average low temperature) are July and August (10.8°C).
Average pressure in December
Grass Patch, Australia
- Average pressure in December: 1014.3mbar
The month with the highest atmospheric pressure is June (1020.5mbar).
The month with the lowest atmospheric pressure is January (1013.8mbar).
Average wind speed in December
Grass Patch, Australia
- Average wind speed in December: 20.3km/h
The windiest months (with the highest average wind speed) are July and August (22km/h).
The calmest month (with the lowest average wind speed) is April (18.3km/h).
Average humidity in December
Grass Patch, Australia
- Average humidity in December: 66%
The month with the highest relative humidity is August (73%).
The month with the lowest relative humidity is December (66%).
Average rainfall in December
Grass Patch, Australia
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is August (58mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Grass Patch, Australia
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (8.4 days).
Average daylight in December /
Average sunshine in December
Grass Patch, 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 30min
The months with the most sunshine are January and December (Average sunshine: 10h and 30min).
The month with the least sunshine is July (Average sunshine: 5h and 42min).
Average sunshine days in December
Grass Patch, Australia
- Average sunshine days in December: 18.3 days
The month with the most sunshine days is December (18.3 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Grass Patch, Australia
- Average UV index in December: 5
The month with the highest UV index is February (UV index 6).
The months with the lowest UV index are May, June, July, August, September and October (UV index 4).
Average cloud cover in December
Grass Patch, Australia
- Average cloud cover in December: 28
The months with the most cloud cover are July and August (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility in December
Grass Patch, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





