December weather forecastHarlin, Australia
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Harlin, Australia, with temperature in the range of an average high of 27.4°C (81.3°F) and an average low of 19.5°C (67.1°F).Temperature
With the onset of December, a modest change to a still moderately hot 27.4°C (81.3°F) from November's 26.8°C (80.2°F) is noted in high-temperature. Throughout the month of December, the nighttime temperature dips to an average of 19.5°C (67.1°F).Heat index
For most parts of December, the heat index is computed to be a tropical 30°C (86°F). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The average relative humidity in December is 77%.Rainfall
In Harlin, in December, during 17.6 rainfall days, 94mm (3.7") of precipitation is typically accumulated. Throughout the year, there are 190.2 rainfall days, and 772mm (30.39") of precipitation is accumulated.Daylight
With an average of 13h and 48min of daylight, December has the longest days of the year in Harlin.On the first day of December, sunrise is at 4:48 am and sunset at 6:30 pm. On the last day of the month, sunrise is at 4:59 am and sunset at 6:47 pm AEST.
Sunshine
In December, the average sunshine is 9.5h.UV index
January through March, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 6 in December translates into the following recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Harlin, Australia
- Average high temperature in December: 27.4°C
The warmest month (with the highest average high temperature) is January (27.8°C).
The month with the lowest average high temperature is July (19.3°C).
- Average low temperature in December: 19.5°C
The month with the highest average low temperature is February (21.2°C).
The coldest month (with the lowest average low temperature) is July (11.8°C).
Average pressure in December
Harlin, Australia
- Average pressure in December: 1013mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is January (1011.9mbar).
Average wind speed in December
Harlin, Australia
- Average wind speed in December: 11.5km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Harlin, Australia
- Average humidity in December: 77%
The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Harlin, Australia
- Average rainfall in December: 94mm
The wettest month (with the highest rainfall) is March (110mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in December
Harlin, Australia
- Average rainfall days in December: 17.6 days
The month with the highest number of rainy days is March (22.3 days).
The month with the least rainy days is August (10.1 days).
Average daylight in December /
Average sunshine in December
Harlin, Australia
- Average daylight in December: 13h and 48min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in December: 9h and 30min
The month with the most sunshine is November (Average sunshine: 10h and 30min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in December
Harlin, Australia
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is August (18.6 days).
The month with the least sunshine days is March (6.3 days).
Average UV index in December
Harlin, Australia
- Average UV index in December: 6
The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 4).
Average cloud cover in December
Harlin, Australia
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Harlin, Australia
- Average visibility in December: 9km
The months with the highest visibility are May, June and September (10km).
The months with the lowest visibility are January, February, March, April, July, August, October, November and December (9km).
