December weather forecastYankalilla, Australia
December
Weather in December
December, the first month of the summer in Yankalilla, is still a pleasant month, with an average temperature fluctuating between 22.5°C (72.5°F) and 15.3°C (59.5°F).Temperature
December's onset brings an average high-temperature of a still pleasant 22.5°C (72.5°F), showing a minute difference from November's 20.6°C (69.1°F). Yankalilla, during December, witnesses an average low-temperature of 15.3°C (59.5°F).Humidity
In Yankalilla, the average relative humidity in December is 64%.Rainfall
In Yankalilla, Australia, during December, the rain falls for 11.5 days and regularly aggregates up to 23mm (0.91") of precipitation. Throughout the year, there are 142.7 rainfall days, and 303mm (11.93") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 14h and 30min of daylight.On the first day of December in Yankalilla, sunrise is at 5:54 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:35 pm ACDT.
Sunshine
With an average of 9.8h of sunshine, December has the most sunshine of the year.UV index
January and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 6 in December interprets into the following advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Yankalilla, Australia
- Average high temperature in December: 22.5°C
The warmest month (with the highest average high temperature) is January (24.3°C).
The month with the lowest average high temperature is July (14.1°C).
- Average low temperature in December: 15.3°C
The month with the highest average low temperature is January (17.3°C).
The coldest month (with the lowest average low temperature) is August (9.8°C).
Average pressure in December
Yankalilla, Australia
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is June (1021.5mbar).
The month with the lowest atmospheric pressure is January (1012.7mbar).
Average wind speed in December
Yankalilla, Australia
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is August (17.8km/h).
The calmest month (with the lowest average wind speed) is April (13.7km/h).
Average humidity in December
Yankalilla, Australia
- Average humidity in December: 64%
The months with the highest relative humidity are June and July (73%).
The month with the lowest relative humidity is January (63%).
Average rainfall in December
Yankalilla, Australia
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is May (39mm).
The driest month (with the least rainfall) is February (14mm).
Average rainfall days in December
Yankalilla, Australia
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is February (6.9 days).
Average daylight in December /
Average sunshine in December
Yankalilla, Australia
- Average daylight in December: 14h and 30min
The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).
- Average sunshine in December: 9h and 48min
The month with the most sunshine is December (Average sunshine: 9h and 48min).
The months with the least sunshine are May and June (Average sunshine: 6h and 48min).
Average sunshine days in December
Yankalilla, Australia
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in December
Yankalilla, 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
Yankalilla, Australia
- Average cloud cover in December: 30
The month with the most cloud cover is May (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 25).
Average visibility in December
Yankalilla, 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).
