Sydney Weather: December
 |
Average Day Temperature: | 78.6°F |
|
Average Night Temperature: | 68.0°F |
|
Sea Water Temperature: | 72.5°F |
|
Number of Sunny Days: | 14 days |
| Sunshine Hours: | 14.2 - 14.4 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 1.9 in | |
| detailed information | ||
forecast
| Sydney |
Temperature
| Sydney |
Air Temperature in December, °F
The highest day temperature in December 2023 was 99°F. The lowest night temperature was 65°F. The average values for day and night temperatures during December were 77.9°F и 70.0°F respectivly.
Sydney Water Sea Temperature in December, °F
The average sea surface temperature in December 2023 for Sydney was 74.8°F. The maximum and minimum values were 71.8°F and 77.4°F respectively.
Most of the days in December are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in December, in
Precipitation total in December for Sydney is 1.9 in.
The average wind speed in December is 11.0 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sydney in December is 8.9 hours.
Sydney on the Weather Map
| Adelaide |  |
+92 |
| Brisbane |  |
+70 |
| Cairns | |
+86 |
| Canberra | |
+88 |
| Darwin |  |
+92 |
| Fraser | |
+78 |
| Gold Coast | |
+70 |
| Melbourne | |
+94 |
| Perth |  |
+72 |
| Sydney | |
+76 |
| Tasmania | |
+72 |
| 1800 |  |
72°F | SW 16 mph |
| 2100 |  |
70°F | SW 12 mph |
| 0000 | |
66°F | S 9 mph |
| 0300 | |
64°F | S 7 mph |
| 0600 | |
66°F | S 6 mph |
| 0900 |  |
76°F | SW 10 mph |
| 1200 | |
78°F | SW 15 mph |
| 1500 | |
78°F | SW 20 mph |