December weather forecast
Port Pirie, Australia

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Weather in December

The first month of the summer, December, is also a moderately hot month in Port Pirie, Australia, with an average temperature varying between 28.4°C (83.1°F) and 18.8°C (65.8°F).

Temperature

December's weather records an average high-temperature of a still warm 28.4°C (83.1°F), showing little deviation from November. Throughout December, the temperature falls to an average low of 18.8°C (65.8°F).

Heat index

For most parts of December, the heat index is appraised at 29°C (84.2°F). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

In Port Pirie, the average relative humidity in December is 46%.

Rainfall

In December, in Port Pirie, the rain falls for 7.5 days. Throughout December, 16mm (0.63") of precipitation is accumulated. Throughout the year, there are 98.8 rainfall days, and 219mm (8.62") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 14h and 18min of daylight.
On the first day of the month, sunrise is at 6:01 am and sunset at 8:12 pm. On the last day of December, sunrise is at 6:11 am and sunset at 8:30 pm ACDT.

Sunshine

The average sunshine in December is 9.3h.

UV index

The month with the highest UV index in Port Pirie, Australia, is December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 7 in December converts into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

How hot is it in Port Pirie in December?

During December, Port Pirie experiences an average high-temperature of 28.4°C (83.1°F) and a low-temperature of 18.8°C (65.8°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in December is appraised at 29°C (84.2°F).

What is the average humidity in December in Port Pirie?

The average relative humidity in December in Port Pirie is 46%.

How many days does it rain in December in Port Pirie?

In Port Pirie, Australia, in December, during 7.5 rainfall days, 16mm (0.63") of precipitation is typically accumulated.

When are the longest days in Port Pirie?

December has the longest days of the year, with an average of 14h and 18min of daylight.

How many hours of daylight does Port Pirie have in December?

In December, the average day length is 14h and 18min.

When is the sunrise / sunset in December in Port Pirie?

On the first day of December in Port Pirie, sunrise is at 6:01 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:30 pm ACDT.

How long on average sun shines in December in Port Pirie?

In December, the average sunshine duration in Port Pirie, Australia, is 9.3h.

When is the highest UV index in Port Pirie?

With an average maximum UV index of 7, December is the month with the highest UV index.

How high is the UV index in December in Port Pirie?

In Port Pirie, the average daily maximum UV index in December is 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in December
Port Pirie, Australia

Average temperature in December - Port Pirie, Australia
  • Average high temperature in December: 28.4°C

The warmest month (with the highest average high temperature) is January (30°C).
The month with the lowest average high temperature is July (15.2°C).

  • Average low temperature in December: 18.8°C

The month with the highest average low temperature is January (20.8°C).
The coldest month (with the lowest average low temperature) is August (8.8°C).

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Average pressure in December
Port Pirie, Australia

Average pressure in December - Port Pirie, Australia
  • Average pressure in December: 1012.5mbar

The month with the highest atmospheric pressure is June (1022.6mbar).
The month with the lowest atmospheric pressure is January (1011.6mbar).

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Average wind speed in December
Port Pirie, Australia

Average wind speed in December - Port Pirie, Australia
  • Average wind speed in December: 15.2km/h

The windiest months (with the highest average wind speed) are August and December (15.2km/h).
The calmest month (with the lowest average wind speed) is April (12.7km/h).

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Average humidity in December
Port Pirie, Australia

Average humidity in December - Port Pirie, Australia
  • Average humidity in December: 46%

The months with the highest relative humidity are June and July (69%).
The month with the lowest relative humidity is January (45%).

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Average rainfall in December
Port Pirie, Australia

Average rainfall in December - Port Pirie, Australia
  • Average rainfall in December: 16mm

The wettest month (with the highest rainfall) is August (29mm).
The driest month (with the least rainfall) is March (11mm).

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Average rainfall days in December
Port Pirie, Australia

Average rainfall days in December - Port Pirie, Australia
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is July (11.9 days).
The month with the least rainy days is February (4.4 days).

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Average daylight in December /
Average sunshine in December
Port Pirie, Australia

Average daylight in December / Average sunshine in December - Port Pirie, Australia
  • Average daylight in December: 14h and 2min

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

  • Average sunshine in December: 9h and 2min

The months with the most sunshine are January and February (Average sunshine: 9h and 24min).
The months with the least sunshine are June and August (Average sunshine: 7h and 54min).

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Average sunshine days in December
Port Pirie, Australia

Average sunshine days in December - Port Pirie, Australia
  • Average sunshine days in December: 21.2 days

The month with the most sunshine days is January (23 days).
The month with the least sunshine days is July (16.6 days).

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Average UV index in December
Port Pirie, Australia

Average UV index in December - Port Pirie, Australia
  • Average UV index in December: 7

The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are May, June, July, August and September (UV index 4).

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Average cloud cover in December
Port Pirie, Australia

Average cloud cover in December - Port Pirie, Australia
  • Average cloud cover in December: 17

The month with the most cloud cover is June (Cloud cover 33).
The month with the least cloud cover is January (Cloud cover 15).

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Average visibility in December
Port Pirie, Australia

Average visibility in December - Port Pirie, 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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Port Pirie, Australia

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