December weather forecast
Gladstone, Australia

December

Weather in December

The first month of the summer, December, is still a comfortable month in Gladstone, Australia, with an average temperature fluctuating between 18.8°C (65.8°F) and 12.1°C (53.8°F).

Temperature

As November transitions into December, Gladstone records an average high-temperature of a still comfortable 18.8°C (65.8°F), showing a gentle shift from the preceding month. December sees the temperature falling to a mean low of 12.1°C (53.8°F).

Humidity

The months with the lowest humidity in Gladstone, Australia, are January and December, with an average relative humidity of 73%.

Rainfall

In Gladstone, in December, it is raining for 13 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, there are 144.5 rainfall days, and 413mm (16.26") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 15h and 6min of daylight.
On the first day of the month, sunrise is at 5:30 am and sunset at 8:23 pm. On the last day of December, in Gladstone, sunrise is at 5:38 am and sunset at 8:43 pm AEDT.

Sunshine

The month with the most sunshine in Gladstone is December, with an average of 9.9h of sunshine.

UV index

January and December, with an average maximum UV index of 5, are months with the highest UV index in Gladstone. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The UV index of 5 during December leads to these advisories:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

What is the usual temperature for Gladstone in December?
The high-temperature, in December, in Gladstone, is 18.8°C (65.8°F), while the low-temperature averages to 12.1°C (53.8°F).
What is the least humid month in Gladstone?
January and December, with an average relative humidity of 73%, are the least humid months.
What is the average humidity in December in Gladstone?
In Gladstone, Australia, the average relative humidity in December is 73%.
How many days does it rain in December in Gladstone?
In Gladstone, Australia, during December, the rain falls for 13 days and regularly aggregates up to 38mm (1.5") of precipitation.
When are the longest days in Gladstone?
The month with the longest days in Gladstone is December, with an average of 15h and 6min of daylight.
What is the average length of the day in December in Gladstone?
In Gladstone, the average day length in December is 15h and 4min.
What time are sunrise and sunset in December in Gladstone?
In December, on the first day of the month, sunrise is at 5:30 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:43 pm AEDT.
What month has the most sunshine in Gladstone?
With an average of 9.9h of sunshine, December has the most sunshine of the year in Gladstone.
How many hours of sunshine does Gladstone have in December?
In Gladstone, Australia, the average sunshine duration in December is 9.9h.
What are the months with the highest UV index in Gladstone?
The months with the highest UV index in Gladstone, Australia, are January and December, with an average maximum UV index of 5.
What is the UV index reading in December in Gladstone?
In December, the average daily maximum UV index in Gladstone, Australia, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Gladstone, Australia
Average temperature in December
Gladstone, Australia
  • Average high temperature in December: 18.8°C

The warmest month (with the highest average high temperature) is January (20.5°C).
The month with the lowest average high temperature is July (12.1°C).

  • Average low temperature in December: 12.1°C

The month with the highest average low temperature is February (14.1°C).
The coldest month (with the lowest average low temperature) is August (6.8°C).

Average pressure in December - Gladstone, Australia
Average pressure in December
Gladstone, Australia
  • Average pressure in December: 1011.3mbar

The month with the highest atmospheric pressure is June (1018.6mbar).
The month with the lowest atmospheric pressure is December (1011.3mbar).

Average wind speed in December - Gladstone, Australia
Average wind speed in December
Gladstone, Australia
  • Average wind speed in December: 15.3km/h

The windiest month (with the highest average wind speed) is August (17.4km/h).
The calmest month (with the lowest average wind speed) is March (14.7km/h).

Average humidity in December - Gladstone, Australia
Average humidity in December
Gladstone, Australia
  • Average humidity in December: 73%

The month with the highest relative humidity is June (78%).
The months with the lowest relative humidity are January and December (73%).

Average rainfall in December - Gladstone, Australia
Average rainfall in December
Gladstone, Australia
  • Average rainfall in December: 38mm

The wettest month (with the highest rainfall) is March (50mm).
The driest months (with the least rainfall) are July and October (23mm).

Average rainfall days in December - Gladstone, Australia
Average rainfall days in December
Gladstone, Australia
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is May (9.6 days).

Average daylight in December / Average sunshine in December - Gladstone, Australia
Average daylight in December /
Average sunshine in December
Gladstone, Australia
  • Average daylight in December: 15h and 1min

The month with the longest days is December (Average daylight: 15h and 6min).
The month with the shortest days is June (Average daylight: 9h and 18min).

  • Average sunshine in December: 9h and 5min

The month with the most sunshine is December (Average sunshine: 9h and 54min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).

Average sunshine days in December - Gladstone, Australia
Average sunshine days in December
Gladstone, Australia
  • Average sunshine days in December: 14.3 days

The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is February (11.6 days).

Average UV index in December - Gladstone, Australia
Average UV index in December
Gladstone, Australia
  • Average UV index in December: 5

The months with the highest UV index are January and December (UV index 5).
The months with the lowest UV index are May, June, July and August (UV index 3).

Average cloud cover in December - Gladstone, Australia
Average cloud cover in December
Gladstone, Australia
  • Average cloud cover in December: 34

The month with the most cloud cover is February (Cloud cover 39).
The months with the least cloud cover are May and September (Cloud cover 32).

Average visibility in December - Gladstone, Australia
Average visibility in December
Gladstone, 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).

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