Weather in December
Temperature
With its high average temperature of 37.1°C (98.8°F) and a low of 23.1°C (73.6°F), December is regarded as the warmest month.Humidity
In Mount Isa, the average relative humidity in December is 27%.Rainfall
In Mount Isa, during December, the rain falls for 7.7 days and regularly aggregates up to 73mm (2.87") of precipitation. Throughout the year, in Mount Isa, there are 50.8 rainfall days, and 469mm (18.46") of precipitation is accumulated.Daylight
With an average of 13h and 24min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 5:52 am and sunset at 7:09 pm. On the last day of December, in Mount Isa, sunrise is at 6:03 am and sunset at 7:26 pm AEST.
Sunshine
July through December, with an average of 10h of sunshine, are months with the most sunshine in Mount Isa.UV index
The months with the highest UV index in Mount Isa are January through March, October through December, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 12 translates into these guidelines:
Implement all necessary safeguards, unprotected skin might suffer burns rapidly. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Even on overcast days, apply and frequently reapply a sunscreen with SPF 30 or more, specifically after a swim or outdoor workout.
Frequently asked questions
What is the warmest month in Mount Isa?
How hot does it get in Mount Isa in December?
What is the average humidity in December in Mount Isa?
How much does it rain in Mount Isa in December?
When are the longest days in Mount Isa?
What is the average length of the day in December in Mount Isa?
When are sunrise and sunset in December in Mount Isa?
What is the month with the most sunshine in Mount Isa?
How long on average sun shines in December in Mount Isa?
What is the month with the highest UV index in Mount Isa?
What is the UV index intensity in December in Mount Isa?
Average temperature in December
Mount Isa, Australia
- Average high temperature in December: 37.1°C
The warmest month (with the highest average high temperature) is December (37.1°C).
The month with the lowest average high temperature is July (24.7°C).
- Average low temperature in December: 23.1°C
The month with the highest average low temperature is January (23.8°C).
The coldest month (with the lowest average low temperature) is July (8.6°C).
Average humidity in December
Mount Isa, Australia
- Average humidity in December: 27%
The month with the highest relative humidity is February (38%).
The months with the lowest relative humidity are September and October (18%).
Average rainfall in December
Mount Isa, Australia
- Average rainfall in December: 72.5mm
The wettest month (with the highest rainfall) is January (118.8mm).
The driest month (with the least rainfall) is August (3.7mm).
Average rainfall days in December
Mount Isa, Australia
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is January (10.2 days).
The month with the least rainy days is August (0.9 days).
Average daylight in December /
Average sunshine in December
Mount Isa, Australia
- Average daylight in December: 13h and 2min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in December: 10h
The months with the most sunshine are July, August, September, October, November and December (Average sunshine: 10h).
The months with the least sunshine are January, February, March, April, May and June (Average sunshine: 9h).
Average UV index in December
Mount Isa, Australia
- Average UV index in December: 12
The months with the highest UV index are January, February, March, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 6).
Mount Isa, Australia
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