December weather forecastKatherine, Australia
December
Weather in December
December, the first month of the summer in Katherine, is still a torrid month, with an average temperature fluctuating between 35.4°C (95.7°F) and 25.6°C (78.1°F).Temperature
Katherine ushers in December with an average high-temperature of a still sweltering 35.4°C (95.7°F), showing a close resemblance to the previous month. An average nighttime temperature of 25.6°C (78.1°F) is observed during December.Heat index
The heat index in December is calculated to be a burning hot 48°C (118.4°F). On guard: Heat exhaustion and heat cramps are predicted. Heatstroke is a potential hazard with continuous physical effort.Observations indicate that the heat index values are for shady locations with light wind. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', reflects the blend of air temperature and relative humidity to give a temperature impression. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
In December, the average relative humidity is 63%.Rainfall
In Katherine, in December, during 21.8 rainfall days, 163mm (6.42") of precipitation is typically accumulated. In Katherine, Australia, during the entire year, the rain falls for 128.5 days and collects up to 705mm (27.76") of precipitation.Daylight
December has the longest days of the year, with an average of 13h and 0min of daylight.On the first day of the month, sunrise is at 6:02 am and sunset at 6:57 pm. On the last day of December, in Katherine, sunrise is at 6:14 am and sunset at 7:13 pm ACST.
Sunshine
In December, the average sunshine in Katherine is 8.1h.UV index
The average daily maximum UV index in December is 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 7 in December leads to these 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. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Katherine, Australia
- Average high temperature in December: 35.4°C
The warmest month (with the highest average high temperature) is November (37.2°C).
The month with the lowest average high temperature is June (28.5°C).
- Average low temperature in December: 25.6°C
The month with the highest average low temperature is November (26.1°C).
The coldest month (with the lowest average low temperature) is July (15.7°C).
Average pressure in December
Katherine, Australia
- Average pressure in December: 1006.7mbar
The month with the highest atmospheric pressure is July (1014.6mbar).
The month with the lowest atmospheric pressure is January (1005.8mbar).
Average wind speed in December
Katherine, Australia
- Average wind speed in December: 8.7km/h
The windiest month (with the highest average wind speed) is July (13km/h).
The calmest month (with the lowest average wind speed) is December (8.7km/h).
Average humidity in December
Katherine, Australia
- Average humidity in December: 63%
The months with the highest relative humidity are January and February (75%).
The months with the lowest relative humidity are August and September (39%).
Average rainfall in December
Katherine, Australia
- Average rainfall in December: 163mm
The wettest month (with the highest rainfall) is January (180mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in December
Katherine, Australia
- Average rainfall days in December: 21.8 days
The month with the highest number of rainy days is January (25.1 days).
The month with the least rainy days is August (0.2 days).
Average daylight in December /
Average sunshine in December
Katherine, Australia
- Average daylight in December: 13h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- Average sunshine in December: 8h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 7h and 30min).
Average sunshine days in December
Katherine, Australia
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is August (30.8 days).
The month with the least sunshine days is January (4.3 days).
Average UV index in December
Katherine, Australia
- Average UV index in December: 7
The month with the highest UV index is October (UV index 8).
The months with the lowest UV index are May, June and July (UV index 6).
Average cloud cover in December
Katherine, Australia
- Average cloud cover in December: 38
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in December
Katherine, Australia
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March and December (9km).





