December weather forecast
Rupanyup, Australia

December

Weather in December

The first month of the summer, December, is still a warm month in Rupanyup, Australia, with an average temperature varying between 14.5°C (58.1°F) and 27.7°C (81.9°F).

Temperature

December witnesses a minor rise in the average high-temperature, transitioning from 24.5°C (76.1°F) in November to a still warm 27.7°C (81.9°F). Rupanyup experiences a significant contrast between daily highs and an average nighttime temperature of 14.5°C (58.1°F) during December.

Heat index

December's heat index is appraised at 28°C (82.4°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.

Humidity

In Rupanyup, the average relative humidity in December is 50%.

Rainfall

December is the month with the most rainfall. Rain falls for 8.5 days and accumulates 38mm (1.5") of precipitation.

Daylight

The month with the longest days in Rupanyup is December, with an average of 14h and 36min of daylight.
On the first day of the month, sunrise is at 6:04 am and sunset at 8:32 pm. On the last day of December, sunrise is at 6:13 am and sunset at 8:51 pm AEDT.

Sunshine

In December, the average sunshine is 8.8h.

UV index

The months with the highest UV index are January, February, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 in December interprets into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

What are the temperatures in Rupanyup in December?
In Rupanyup, in December, the average high-temperature is 27.7°C (81.9°F), and the average low-temperature is 14.5°C (58.1°F). In December, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is appraised at 28°C (82.4°F).
What is the average humidity in December in Rupanyup?
In Rupanyup, Australia, the average relative humidity in December is 50%.
What is the rainiest month in Rupanyup?
The month with the most rainfall is December, when the rain falls for 8.5 days and typically aggregates up to 38mm (1.5") of precipitation.
How many days does it rain in December in Rupanyup?
In Rupanyup, in December, during 8.5 rainfall days, 38mm (1.5") of precipitation is typically accumulated.
When are the longest days in Rupanyup?
December has the longest days of the year in Rupanyup, Australia, with an average of 14h and 36min of daylight.
How many hours of daylight does Rupanyup have in December?
In December, the average day length in Rupanyup is 14h and 37min.
When is the sunrise / sunset in December in Rupanyup?
In December, on the first day of the month, sunrise is at 6:04 am and sunset at 8:32 pm. On the last day of the month, in Rupanyup, sunrise is at 6:13 am and sunset at 8:51 pm AEDT.
How many hours of sunshine does Rupanyup have in December?
The average sunshine duration in December in Rupanyup, Australia, is 8.8h.
When is the highest UV index in Rupanyup?
January, February, November and December, with an average maximum UV index of 6, are months with the highest UV index in Rupanyup.
How high is the UV index in December in Rupanyup?
The average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Rupanyup, Australia
  • Average high temperature in December: 27.7°C

The warmest month (with the highest average high temperature) is January (30.6°C).
The month with the lowest average high temperature is July (12.8°C).

  • Average low temperature in December: 14.5°C

The months with the highest average low temperature are January and February (16.7°C).
The coldest month (with the lowest average low temperature) is August (5.3°C).

Average pressure in December
Rupanyup, Australia
  • Average pressure in December: 1012.6mbar

The month with the highest atmospheric pressure is June (1021.8mbar).
The month with the lowest atmospheric pressure is January (1012.1mbar).

Average wind speed in December
Rupanyup, Australia
  • Average wind speed in December: 13.4km/h

The windiest month (with the highest average wind speed) is August (14.3km/h).
The calmest month (with the lowest average wind speed) is April (11.9km/h).

Average humidity in December
Rupanyup, Australia
  • Average humidity in December: 50%

The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is January (44%).

Average rainfall in December
Rupanyup, Australia
  • Average rainfall in December: 38mm

The wettest month (with the highest rainfall) is December (38mm).
The driest months (with the least rainfall) are February and March (15mm).

Average rainfall days in December
Rupanyup, Australia
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is August (13.3 days).
The month with the least rainy days is January (5 days).

Average daylight in December /
Average sunshine in December
Rupanyup, Australia
  • Average daylight in December: 14h and 4min

The month with the longest days is December (Average daylight: 14h and 36min).
The month with the shortest days is June (Average daylight: 9h and 42min).

  • Average sunshine in December: 8h and 5min

The month with the most sunshine is January (Average sunshine: 9h and 18min).
The months with the least sunshine are July and August (Average sunshine: 6h and 48min).

Average sunshine days in December
Rupanyup, Australia
  • Average sunshine days in December: 20.7 days

The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is August (14.2 days).

Average UV index in December
Rupanyup, Australia
  • Average UV index in December: 6

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

Average cloud cover in December
Rupanyup, Australia
  • Average cloud cover in December: 24

The month with the most cloud cover is July (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 17).

Average visibility in December
Rupanyup, Australia
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April and December (10km).
The month with the lowest visibility is September (8km).

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