December weather forecastYamba, Australia
December
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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).
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).
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 18min
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).
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).
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).
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).
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).





