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 sea temperature 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
December
Weather in December
Temperature
The advent of December brings an average high-temperature of a moderately hot 23.1°C (73.6°F), almost identical to the preceding month. Throughout December, Geelong West registers a consistent average low-temperature of 12.6°C (54.7°F).Humidity
In December, the average relative humidity is 67%.Rainfall
In Geelong West, in December, during 11.2 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, there are 153 rainfall days, and 377mm (14.84") of precipitation is accumulated.Sea temperature
In Geelong West, the average seawater temperature in December is 16.8°C (62.2°F).Note: Swimming in water at 16.8°C (62.2°F) is not a pleasurable experience for most. The task of managing breathing becomes more challenging as the water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
The month with the longest days in Geelong West is December, with an average of 14h and 48min of daylight.On the first day of December in Geelong West, sunrise is at 5:53 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:48 pm AEDT.
Sunshine
The month with the most sunshine is December, with an average of 9.7h of sunshine.UV index
December is the month with the highest UV index, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 6 suggests these recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Geelong West in December?
What is the average humidity in December in Geelong West?
How much does it rain in Geelong West in December?
How cold is the water in December in Geelong West?
When are the longest days in Geelong West?
What is the average length of the day in December in Geelong West?
When is the sunrise / sunset in December in Geelong West?
What month has the most sunshine in Geelong West?
How long on average sun shines in December in Geelong West?
What is the month with the highest UV index in Geelong West?
How high is the UV index in December in Geelong West?
Average temperature in December
Geelong West, Australia
- Average high temperature in December: 23.1°C
The warmest month (with the highest average high temperature) is January (25.1°C).
The month with the lowest average high temperature is July (13.1°C).
- Average low temperature in December: 12.6°C
The month with the highest average low temperature is February (15.1°C).
The coldest month (with the lowest average low temperature) is August (7°C).
Average pressure in December
Geelong West, Australia
- Average pressure in December: 1012.8mbar
The month with the highest atmospheric pressure is June (1021.1mbar).
The month with the lowest atmospheric pressure is January (1012.6mbar).
Average wind speed in December
Geelong West, Australia
- Average wind speed in December: 11.7km/h
The windiest month (with the highest average wind speed) is August (14.9km/h).
The calmest month (with the lowest average wind speed) is April (11.2km/h).
Average humidity in December
Geelong West, Australia
- Average humidity in December: 67%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is January (64%).
Average rainfall in December
Geelong West, Australia
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is February (40mm).
The driest month (with the least rainfall) is March (25mm).
Average rainfall days in December
Geelong West, Australia
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is January (9.7 days).
Average sea temperature in December
Geelong West, Australia
- Average sea temperature in December: 16.8°C
The best month for swimming (with the highest average sea temperature) is February (18.3°C).
The coldest months (with the lowest average sea temperature) are August and September (13.8°C).
Average daylight in December /
Average sunshine in December
Geelong West, Australia
- Average daylight in December: 14h and 5min
The month with the longest days is December (Average daylight: 14h and 48min).
The month with the shortest days is June (Average daylight: 9h and 36min).
- Average sunshine in December: 9h and 4min
The month with the most sunshine is December (Average sunshine: 9h and 42min).
The month with the least sunshine is August (Average sunshine: 6h and 42min).
Average sunshine days in December
Geelong West, Australia
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is September (12.1 days).
Average UV index in December
Geelong West, Australia
- Average UV index in December: 6
The month with the highest UV index is December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 3).
Average cloud cover in December
Geelong West, Australia
- Average cloud cover in December: 33
The months with the most cloud cover are May and August (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 31).
Average visibility in December
Geelong West, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, June and December (10km).
The months with the lowest visibility are April, May, July, August, September, October and November (9km).
