December weather forecast
Goondiwindi, Australia

The first month of the summer, December, is still a tropical month in Goondiwindi, Australia, with temperature in the range of an average low of 20.5°C (68.9°F) and an average high of 32.2°C (90°F).

Temperature

A minor adjustment in Goondiwindi's average high-temperature is noted with the start of December, touching a still hot 32.2°C (90°F) from November's 30.9°C (87.6°F). In December, the recorded average low-temperature in Goondiwindi, Australia, is a pleasant 20.5°C (68.9°F).

Heat index

Throughout December, the heat index is appraised at a very hot 36°C (96.8°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. 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 hold particular significance for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

The average relative humidity in December in Goondiwindi is 53%.

Rainfall

The wettest months in Goondiwindi are March and December, with an average 57mm (2.24") of rainfall.

Daylight

December has the longest days of the year in Goondiwindi, with an average of 13h and 54min of daylight.
On the first day of December, sunrise is at 4:53 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 5:03 am and sunset at 6:59 pm AEST.

Sunshine

In Goondiwindi, the average sunshine in December is 11.1h.

UV index

January, February, November and December, with an average maximum UV index of 7, are months with the highest UV index in Goondiwindi. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a daily UV index of 7 turns into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.