December weather forecast
Guluguba, Australia

The first month of the summer, December, is also a hot month in Guluguba, Australia, with an average temperature fluctuating between 19.8°C (67.6°F) and 32°C (89.6°F).

Temperature

During December, Guluguba observes a subtle ascent to a still hot 32°C (89.6°F) from November's 31°C (87.8°F) in the average high-temperature. During December, Guluguba perceives a consistent contrast from the daytime highs, with an average low-temperature of 19.8°C (67.6°F).

Heat index

In December, the average heat index is evaluated at a fiery hot 37°C (98.6°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are primarily vital for children. 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.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In December, the average relative humidity is 59%.

Rainfall

In Guluguba, in December, during 12.9 rainfall days, 51mm (2.01") of precipitation is typically accumulated. In Guluguba, Australia, during the entire year, the rain falls for 113.1 days and collects up to 385mm (15.16") of precipitation.

Daylight

With an average of 13h and 48min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 4:59 am and sunset at 6:38 pm. On the last day of December, sunrise is at 5:10 am and sunset at 6:55 pm AEST.

Sunshine

In Guluguba, Australia, the average sunshine in December is 10.7h.

UV index

The months with the highest UV index are January, February, November and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In December, the UV index of 7 transforms into the following advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.