December weather forecast
Yamba, Australia

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Weather in December

The first month of the summer, December, is still a warm month in Yamba, Australia, with an average temperature varying between 28.3°C (82.9°F) and 17.2°C (63°F).

Temperature

A minor adjustment in Yamba's average high-temperature is noted with the start of December, touching a still moderately hot 28.3°C (82.9°F) from November's 27.8°C (82°F). Yamba's average low-temperature during December nights is observed to be a refreshing 17.2°C (63°F).

Heat index

For most parts of December, the heat index is computed to be a hot 32°C (89.6°F). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

The average relative humidity in December in Yamba is 76%.

Rainfall

In Yamba, in December, it is raining for 19.5 days, with typically 82mm (3.23") of accumulated precipitation. In Yamba, during the entire year, the rain falls for 178.3 days and collects up to 680mm (26.77") of precipitation.

Daylight

With an average of 14h and 0min of daylight, December has the longest days of the year in Yamba.
On the first day of December in Yamba, sunrise is at 5:38 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:49 pm AEDT.

Sunshine

In Yamba, the average sunshine in December is 9.3h.

UV index

The months with the highest UV index in Yamba 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 vulnerability from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 6 in December translates into the following instructions:
Guard oneself from overexposure. Defence against sun injury is vital. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

How hot is December in Yamba?

The average high-temperature and low-temperature during December are 28.3°C (82.9°F) and 17.2°C (63°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in December is computed to be 32°C (89.6°F).

What is the average humidity in December in Yamba?

In December, the average relative humidity in Yamba, Australia, is 76%.

How many days does it rain in December in Yamba?

In Yamba, in December, it is raining for 19.5 days, with typically 82mm (3.23") of accumulated precipitation.

When are the longest days in Yamba?

With an average of 14h and 0min of daylight, December has the longest days of the year in Yamba, Australia.

How many hours of daylight does Yamba have in December?

In December, the average day length is 13h and 59min.

What time are sunrise and sunset in December in Yamba?

In December, on the first day of the month, sunrise is at 5:38 am and sunset at 7:32 pm. On the last day of the month, in Yamba, sunrise is at 5:49 am and sunset at 7:49 pm AEDT.

How many hours of sunshine does Yamba have in December?

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

What are the months with the highest UV index in Yamba?

The months with the highest UV index in Yamba are January, February, November and December, with an average maximum UV index of 6.

How high is the UV index in December in Yamba?

In December, the average daily maximum UV index in Yamba, Australia, is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Yamba, Australia

Average temperature in December - Yamba, Australia
  • Average high temperature in December: 28.3°C

The warmest month (with the highest average high temperature) is January (29.2°C).
The month with the lowest average high temperature is June (18.3°C).

  • Average low temperature in December: 17.2°C

The month with the highest average low temperature is January (18.4°C).
The coldest month (with the lowest average low temperature) is July (7.7°C).

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Average pressure in December
Yamba, Australia

Average pressure in December - Yamba, Australia
  • Average pressure in December: 1013.7mbar

The month with the highest atmospheric pressure is July (1020.9mbar).
The month with the lowest atmospheric pressure is January (1013mbar).

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Average wind speed in December
Yamba, Australia

Average wind speed in December - Yamba, Australia
  • Average wind speed in December: 7km/h

The windiest month (with the highest average wind speed) is October (7.1km/h).
The calmest month (with the lowest average wind speed) is May (6.2km/h).

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Average humidity in December
Yamba, Australia

Average humidity in December - Yamba, Australia
  • Average humidity in December: 76%

The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is September (69%).

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Average rainfall in December
Yamba, Australia

Average rainfall in December - Yamba, Australia
  • Average rainfall in December: 82mm

The wettest month (with the highest rainfall) is February (96mm).
The driest month (with the least rainfall) is July (20mm).

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Average rainfall days in December
Yamba, Australia

Average rainfall days in December - Yamba, Australia
  • Average rainfall days in December: 19.5 days

The month with the highest number of rainy days is March (21.5 days).
The month with the least rainy days is August (7.8 days).

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

Average daylight in December / Average sunshine in December - Yamba, Australia
  • Average daylight in December: 14h and 0min

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

  • Average sunshine in December: 9h and 2min

The month with the most sunshine is November (Average sunshine: 9h and 54min).
The month with the least sunshine is June (Average sunshine: 6h and 6min).

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Average sunshine days in December
Yamba, Australia

Average sunshine days in December - Yamba, Australia
  • Average sunshine days in December: 9 days

The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is February (6.2 days).

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Average UV index in December
Yamba, Australia

Average UV index in December - Yamba, 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 and August (UV index 4).

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Average cloud cover in December
Yamba, Australia

Average cloud cover in December - Yamba, Australia
  • Average cloud cover in December: 48

The month with the most cloud cover is March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in December
Yamba, Australia

Average visibility in December - Yamba, Australia
  • Average visibility in December: 8km

The month with the highest visibility is September (9km).
The month with the lowest visibility is March (7km).

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Yamba, Australia

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