December weather forecastNormanhurst, Australia
December
Weather in December
The first month of the summer, December, is also a moderately hot month in Normanhurst, Australia, with an average temperature ranging between max 26.8°C (80.2°F) and min 17.7°C (63.9°F).Temperature
A minimal variation is noted in Normanhurst's average high-temperature at the onset of December, reaching a still warm 26.8°C (80.2°F) from November's 25.3°C (77.5°F). In Normanhurst, an average temperature of 17.7°C (63.9°F) is noted during December nights.Humidity
In Normanhurst, Australia, the average relative humidity in December is 70%.Rainfall
In December, the rain falls for 14.8 days. Throughout December, 42mm (1.65") of precipitation is accumulated. In Normanhurst, during the entire year, the rain falls for 151.2 days and collects up to 570mm (22.44") of precipitation.Daylight
With an average of 14h and 18min of daylight, December has the longest days of the year in Normanhurst.On the first day of the month, sunrise is at 5:37 am and sunset at 7:51 pm. On the last day of December, in Normanhurst, sunrise is at 5:47 am and sunset at 8:09 pm AEDT.
Sunshine
In Normanhurst, the average sunshine in December is 9.6h.UV index
January, February, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 6 in December interprets into the following advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Normanhurst, Australia
- Average high temperature in December: 26.8°C
The warmest month (with the highest average high temperature) is January (28.2°C).
The month with the lowest average high temperature is July (16.7°C).
- Average low temperature in December: 17.7°C
The month with the highest average low temperature is January (19.3°C).
The coldest month (with the lowest average low temperature) is July (8.9°C).
Average pressure in December
Normanhurst, Australia
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in December
Normanhurst, Australia
- Average wind speed in December: 12.1km/h
The windiest months (with the highest average wind speed) are January, August, September and December (12.1km/h).
The calmest month (with the lowest average wind speed) is April (10.6km/h).
Average humidity in December
Normanhurst, Australia
- Average humidity in December: 70%
The month with the highest relative humidity is June (75%).
The months with the lowest relative humidity are August and September (66%).
Average rainfall in December
Normanhurst, Australia
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is February (89mm).
The driest months (with the least rainfall) are July and September (30mm).
Average rainfall days in December
Normanhurst, Australia
- Average rainfall days in December: 14.8 days
The month with the highest number of rainy days is January (16.3 days).
The month with the least rainy days is May (8.5 days).
Average daylight in December /
Average sunshine in December
Normanhurst, Australia
- Average daylight in December: 14h and 18min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in December: 9h and 36min
The month with the most sunshine is November (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in December
Normanhurst, Australia
- Average sunshine days in December: 13.4 days
The month with the most sunshine days is August (19.8 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in December
Normanhurst, 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, August and September (UV index 4).
Average cloud cover in December
Normanhurst, Australia
- Average cloud cover in December: 38
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Normanhurst, Australia
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, November and December (9km).
