December weather forecast
Ongerup, Australia

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Weather in December

The first month of the summer, December, is also a moderately hot month in Ongerup, Australia, with an average temperature fluctuating between 27.7°C (81.9°F) and 13.9°C (57°F).

Temperature

Ongerup's transition into December is marked by a minor temperature shift, moving from 24.5°C (76.1°F) in November to a still moderately hot 27.7°C (81.9°F). A considerable shift from the daytime highs is observed in Ongerup, Australia, during December nights, with an average low of 13.9°C (57°F).

Heat index

For December, the heat index is evaluated at 29°C (84.2°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

January and December, with an average relative humidity of 55%, are the least humid months in Ongerup.

Rainfall

In Ongerup, in December, during 6 rainfall days, 15mm (0.59") of precipitation is typically accumulated. Throughout the year, in Ongerup, there are 109.9 rainfall days, and 243mm (9.57") of precipitation is accumulated.

Daylight

With an average of 14h and 24min of daylight, December has the longest days of the year in Ongerup.
On the first day of December in Ongerup, sunrise is at 4:47 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 4:57 am and sunset at 7:20 pm AWST.

Sunshine

In December, the average sunshine in Ongerup is 10.8h.

UV index

The months with the highest UV index are February and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 6 during December leads to these advisories:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

What is the average December temperature in Ongerup?

The high-temperature in Ongerup, Australia, during December is 27.7°C (81.9°F) and the low-temperature is 13.9°C (57°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in December is evaluated at 29°C (84.2°F).

What are the least humid months in Ongerup?

January and December, with an average relative humidity of 55%, are the least humid months in Ongerup.

What is the average humidity in December in Ongerup?

In December, the average relative humidity in Ongerup is 55%.

How many days does it rain in December in Ongerup?

In Ongerup, Australia, during December, the rain falls for 6 days and regularly aggregates up to 15mm (0.59") of precipitation.

When are the longest days in Ongerup?

With an average of 14h and 24min of daylight, December has the longest days of the year in Ongerup, Australia.

What is the average length of the day in December in Ongerup?

In Ongerup, Australia, the average day length in December is 14h and 22min.

When are sunrise and sunset in December in Ongerup?

On the first day of December, sunrise is at 4:47 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 4:57 am and sunset at 7:20 pm AWST.

How many hours of sunshine does Ongerup have in December?

In Ongerup, the average sunshine duration in December is 10.8h.

When is the highest UV index in Ongerup?

February and December, with an average maximum UV index of 6, are months with the highest UV index in Ongerup, Australia.

What is the UV index reading in December in Ongerup?

In Ongerup, Australia, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in December
Ongerup, Australia

Average temperature in December - Ongerup, Australia
  • Average high temperature in December: 27.7°C

The warmest month (with the highest average high temperature) is January (29.5°C).
The month with the lowest average high temperature is July (14.3°C).

  • Average low temperature in December: 13.9°C

The month with the highest average low temperature is February (15.5°C).
The coldest month (with the lowest average low temperature) is August (6°C).

Average pressure in December
Ongerup, Australia

Average pressure in December - Ongerup, Australia
  • Average pressure in December: 1013.9mbar

The month with the highest atmospheric pressure is June (1020.1mbar).
The month with the lowest atmospheric pressure is January (1013.1mbar).

Average wind speed in December
Ongerup, Australia

Average wind speed in December - Ongerup, Australia
  • Average wind speed in December: 11.8km/h

The windiest months (with the highest average wind speed) are January and February (12.3km/h).
The calmest month (with the lowest average wind speed) is April (9.7km/h).

Average humidity in December
Ongerup, Australia

Average humidity in December - Ongerup, Australia
  • Average humidity in December: 55%

The months with the highest relative humidity are July and August (83%).
The months with the lowest relative humidity are January and December (55%).

Average rainfall in December
Ongerup, Australia

Average rainfall in December - Ongerup, Australia
  • Average rainfall in December: 15mm

The wettest month (with the highest rainfall) is August (34mm).
The driest month (with the least rainfall) is April (12mm).

Average rainfall days in December
Ongerup, Australia

Average rainfall days in December - Ongerup, Australia
  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is August (14.2 days).
The month with the least rainy days is February (5.1 days).

Average daylight in December /
Average sunshine in December
Ongerup, Australia

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

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in December: 10h and 5min

The month with the most sunshine is January (Average sunshine: 11h and 6min).
The month with the least sunshine is August (Average sunshine: 5h and 0min).

Average sunshine days in December
Ongerup, Australia

Average sunshine days in December - Ongerup, Australia
  • Average sunshine days in December: 22.7 days

The month with the most sunshine days is December (22.7 days).
The month with the least sunshine days is August (12.3 days).

Average UV index in December
Ongerup, Australia

Average UV index in December - Ongerup, Australia
  • Average UV index in December: 6

The months with the highest UV index are February and December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 3).

Average cloud cover in December
Ongerup, Australia

Average cloud cover in December - Ongerup, Australia
  • Average cloud cover in December: 25

The month with the most cloud cover is August (Cloud cover 53).
The month with the least cloud cover is January (Cloud cover 22).

Average visibility in December
Ongerup, Australia

Average visibility in December - Ongerup, Australia
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are July, August, September and October (8km).

Ongerup, Australia

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