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
Weather in December
Temperature
December brings an average high-temperature of a still warm 26.5°C (79.7°F), showing a slight difference from November's 25.7°C (78.3°F). In the month of December, an average of 21.1°C (70°F) marks the low-temperature in Coolum Beach, Australia.Humidity
In Coolum Beach, the average relative humidity in December is 77%.Rainfall
In Coolum Beach, in December, it is raining for 15.8 days, with typically 60mm (2.36") of accumulated precipitation. Throughout the year, in Coolum Beach, there are 175.9 rainfall days, and 545mm (21.46") of precipitation is accumulated.Sea temperature
In December, the average sea temperature is 25.8°C (78.4°F).Note: Water temperatures ranging between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, making swimming, diving, and similar water activities pleasurable for extended periods.
Daylight
With an average of 13h and 48min of daylight, December has the longest days of the year in Coolum Beach.On the first day of the month, sunrise is at 4:46 am and sunset at 6:27 pm. On the last day of December, sunrise is at 4:57 am and sunset at 6:44 pm AEST.
Sunshine
The average sunshine in December is 9.7h.UV index
January through March, October through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 6 in December converts into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be alert! The reflection of water and sand augments UV radiation intensity.
Frequently asked questions
What is the usual temperature for Coolum Beach in December?
What is the average humidity in December in Coolum Beach?
How many days does it rain in December in Coolum Beach?
What is the water temperature in December in Coolum Beach?
When are the longest days in Coolum Beach?
How many hours of daylight does Coolum Beach have in December?
When are sunrise and sunset in December in Coolum Beach?
How long on average sun shines in December in Coolum Beach?
What is the month with the highest UV index in Coolum Beach?
What is the UV index reading in December in Coolum Beach?
Average temperature in December
Coolum Beach, Australia
- Average high temperature in December: 26.5°C
The warmest month (with the highest average high temperature) is January (27.3°C).
The month with the lowest average high temperature is July (19.5°C).
- Average low temperature in December: 21.1°C
The month with the highest average low temperature is February (22.6°C).
The coldest month (with the lowest average low temperature) is July (13.8°C).
Average pressure in December
Coolum Beach, Australia
- Average pressure in December: 1013mbar
The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is January (1011.9mbar).
Average wind speed in December
Coolum Beach, Australia
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is February (16.7km/h).
The calmest month (with the lowest average wind speed) is August (13.3km/h).
Average humidity in December
Coolum Beach, Australia
- Average humidity in December: 77%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Coolum Beach, Australia
- Average rainfall in December: 60mm
The wettest month (with the highest rainfall) is March (80mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days in December
Coolum Beach, Australia
- Average rainfall days in December: 15.8 days
The month with the highest number of rainy days is March (19.9 days).
The month with the least rainy days is August (9.8 days).
Average sea temperature in December
Coolum Beach, Australia
- Average sea temperature in December: 25.8°C
The best month for swimming (with the highest average sea temperature) is February (27.3°C).
The coldest month (with the lowest average sea temperature) is August (21.2°C).
Average daylight in December /
Average sunshine in December
Coolum Beach, Australia
- Average daylight in December: 13h and 5min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in December: 9h and 4min
The month with the most sunshine is November (Average sunshine: 10h and 36min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).
Average sunshine days in December
Coolum Beach, Australia
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is February (7.4 days).
Average UV index in December
Coolum Beach, Australia
- Average UV index in December: 6
The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 5).
Average cloud cover in December
Coolum Beach, Australia
- Average cloud cover in December: 39
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Coolum Beach, 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).
Coolum Beach, Australia
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