December weather forecastKiama, Australia
December
Weather in December
The first month of the summer, December, is a warm month in Kiama, Australia, with an average temperature ranging between max 24.1°C (75.4°F) and min 17.5°C (63.5°F).Temperature
Kiama's average high-temperature in December is a warm 24.1°C (75.4°F), marking an insignificant difference from the 22.4°C (72.3°F) of November. In the month of December, the nighttime temperature in Kiama dips to a steady average of 17.5°C (63.5°F).Humidity
The average relative humidity in December is 74%.Rainfall
In Kiama, during December, the rain falls for 15.5 days and regularly aggregates up to 56mm (2.2") of precipitation. Throughout the year, in Kiama, Australia, there are 169 rainfall days, and 678mm (26.69") of precipitation is accumulated.Sea temperature
In Kiama, in December, the average water temperature is 21.1°C (70°F).Note: Swimming is not a pleasurable activity for the majority in water at 21.1°C (70°F). Breathing control gets harder as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The month with the longest days in Kiama is December, with an average of 14h and 24min of daylight.On the first day of December in Kiama, sunrise is at 5:36 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:12 pm AEDT.
Sunshine
The average sunshine in December in Kiama, Australia, is 9.7h.UV index
The months with the highest UV index are January and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 6 during December translates into the following directions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kiama, Australia
- Average high temperature in December: 24.1°C
The warmest month (with the highest average high temperature) is January (25.7°C).
The month with the lowest average high temperature is July (15.7°C).
- Average low temperature in December: 17.5°C
The months with the highest average low temperature are January and February (19°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).
Average pressure in December
Kiama, Australia
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is June (1020.8mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in December
Kiama, Australia
- Average wind speed in December: 14.7km/h
The windiest month (with the highest average wind speed) is August (16.2km/h).
The calmest month (with the lowest average wind speed) is April (13.9km/h).
Average humidity in December
Kiama, Australia
- Average humidity in December: 74%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Kiama, Australia
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is February (97mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in December
Kiama, Australia
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is August (9.5 days).
Average sea temperature in December
Kiama, Australia
- Average sea temperature in December: 21.1°C
The best month for swimming (with the highest average sea temperature) is February (23.5°C).
The coldest month (with the lowest average sea temperature) is August (18.1°C).
Average daylight in December /
Average sunshine in December
Kiama, Australia
- Average daylight in December: 14h and 24min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in December: 9h and 42min
The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in December
Kiama, Australia
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is August (19.5 days).
The month with the least sunshine days is February (7.9 days).
Average UV index in December
Kiama, Australia
- Average UV index in December: 6
The months with the highest UV index are January 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
Kiama, 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
Kiama, Australia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
