December weather forecast
Coolgardie, Australia

December

Weather in December

December, the first month of the summer in Coolgardie, is a hot month, with an average temperature ranging between min 17.9°C (64.2°F) and max 31°C (87.8°F).

Temperature

The average high-temperature during December registers at a hot 31°C (87.8°F), closely corresponding to the preceding month. Throughout December nights, Coolgardie reports a steady thermal contrast from the day, with an average low-temperature of 17.9°C (64.2°F).

Humidity

December is the least humid month, with an average relative humidity of 39%.

Rainfall

In Coolgardie, in December, during 6.1 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Coolgardie, during the entire year, the rain falls for 72.4 days and collects up to 189mm (7.44") of precipitation.

Daylight

With an average of 14h and 6min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 4:44 am and sunset at 6:44 pm. On the last day of December, in Coolgardie, sunrise is at 4:54 am and sunset at 7:02 pm AWST.

Sunshine

With an average of 11.7h of sunshine, December has the most sunshine of the year in Coolgardie.

UV index

December is the month with the highest UV index, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 7 in December translates into this advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

Is it hot in Coolgardie during December?
The high-temperature in Coolgardie during December is 31°C (87.8°F) and the low-temperature is 17.9°C (64.2°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in November is estimated at 28°C (82.4°F).
What is the least humid month in Coolgardie?
December is the least humid month in Coolgardie, with an average relative humidity of 39%.
What is the average humidity in December in Coolgardie?
The average relative humidity in December in Coolgardie, Australia, is 39%.
How much does it rain in Coolgardie in December?
In Coolgardie, Australia, in December, it is raining for 6.1 days, with typically 24mm (0.94") of accumulated precipitation.
When are the longest days in Coolgardie?
With an average of 14h and 6min of daylight, December has the longest days of the year in Coolgardie.
How many hours of daylight does Coolgardie have in December?
In Coolgardie, Australia, the average day length in December is 14h and 7min.
What time are sunrise and sunset in December in Coolgardie?
On the first day of December, sunrise is at 4:44 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 4:54 am and sunset at 7:02 pm AWST.
What month has the most sunshine in Coolgardie?
With an average of 11.7h of sunshine, December has the most sunshine of the year.
How long on average sun shines in December in Coolgardie?
The average sunshine duration in December in Coolgardie is 11.7h.
When is the highest UV index in Coolgardie?
With an average maximum UV index of 7, December is the month with the highest UV index in Coolgardie, Australia.
What is the UV index intensity in December in Coolgardie?
In December, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
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 - Coolgardie, Australia
Average temperature in December
Coolgardie, Australia
  • Average high temperature in December: 31°C

The warmest month (with the highest average high temperature) is January (32.6°C).
The month with the lowest average high temperature is July (16°C).

  • Average low temperature in December: 17.9°C

The month with the highest average low temperature is January (19.4°C).
The coldest month (with the lowest average low temperature) is July (7.8°C).

Average pressure in December - Coolgardie, Australia
Average pressure in December
Coolgardie, Australia
  • Average pressure in December: 1011.9mbar

The month with the highest atmospheric pressure is June (1021.7mbar).
The month with the lowest atmospheric pressure is January (1011.2mbar).

Average wind speed in December - Coolgardie, Australia
Average wind speed in December
Coolgardie, Australia
  • Average wind speed in December: 20.7km/h

The windiest month (with the highest average wind speed) is January (20.8km/h).
The calmest month (with the lowest average wind speed) is May (15.7km/h).

Average humidity in December - Coolgardie, Australia
Average humidity in December
Coolgardie, Australia
  • Average humidity in December: 39%

The month with the highest relative humidity is July (64%).
The month with the lowest relative humidity is December (39%).

Average rainfall in December - Coolgardie, Australia
Average rainfall in December
Coolgardie, Australia
  • Average rainfall in December: 24mm

The wettest month (with the highest rainfall) is January (25mm).
The driest month (with the least rainfall) is May (7mm).

Average rainfall days in December - Coolgardie, Australia
Average rainfall days in December
Coolgardie, Australia
  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is May (4.4 days).

Average daylight in December / Average sunshine in December - Coolgardie, Australia
Average daylight in December /
Average sunshine in December
Coolgardie, Australia
  • Average daylight in December: 14h and 1min

The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).

  • Average sunshine in December: 11h and 4min

The month with the most sunshine is December (Average sunshine: 11h and 42min).
The month with the least sunshine is July (Average sunshine: 6h and 30min).

Average sunshine days in December - Coolgardie, Australia
Average sunshine days in December
Coolgardie, Australia
  • Average sunshine days in December: 23.4 days

The month with the most sunshine days is May (25.1 days).
The month with the least sunshine days is February (19.6 days).

Average UV index in December - Coolgardie, Australia
Average UV index in December
Coolgardie, Australia
  • Average UV index in December: 7

The month with the highest UV index is December (UV index 7).
The month with the lowest UV index is June (UV index 3).

Average cloud cover in December - Coolgardie, Australia
Average cloud cover in December
Coolgardie, Australia
  • Average cloud cover in December: 15

The months with the most cloud cover are June and July (Cloud cover 26).
The month with the least cloud cover is December (Cloud cover 15).

Average visibility in December - Coolgardie, Australia
Average visibility in December
Coolgardie, 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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