Weather in Sydney in December
Sydney offers pleasantly warm weather with occasional showers (avg 21.3°C, 10 rainy days). Weather score: 7.8/10 · Very good
Avg temp
21.3°C
Daytime high
25.3°C
Night low
17.5°C
Rainy days
10
Sun per day
11.5 h
Sea temp
20.4°C
Sydney climate table – all 12 months
| Month | Avg temp | High | Low | Rainy days | Sun/day | Score |
|---|---|---|---|---|---|---|
| January | 22.7°C | 26.4°C | 19.3°C | 11 | 10.9 h | 8.5/10 |
| February | 22.2°C | 25.6°C | 19°C | 12 | 10.6 h | 8.1/10 |
| March | 21.1°C | 24.5°C | 18.1°C | 15 | 9.4 h | 7/10 |
| April | 18.3°C | 22.3°C | 14.7°C | 10 | 9.4 h | 7.8/10 |
| May | 15.1°C | 19.6°C | 11.3°C | 6 | 8.8 h | 7.5/10 |
| June | 12.7°C | 16.8°C | 9.3°C | 9 | 8.4 h | 5.5/10 |
| July | 12.1°C | 16.9°C | 8.1°C | 6 | 8.9 h | 6.2/10 |
| August | 12.8°C | 17.7°C | 8.5°C | 7 | 9.2 h | 6.2/10 |
| September | 15.2°C | 20.1°C | 10.7°C | 7 | 10.5 h | 7.3/10 |
| October | 17.8°C | 22.3°C | 13.4°C | 10 | 10.5 h | 7.6/10 |
| November | 19.3°C | 23.4°C | 15.3°C | 10 | 11.2 h | 7.6/10 |
| December | 21.3°C | 25.3°C | 17.5°C | 10 | 11.5 h | 7.8/10 |
Top alternatives in December
Chile
Santiago · ⭐ 10
Thailand
Bangkok · ⭐ 10
Thailand
Thailand · ⭐ 10
Cambodia
Siem Reap · ⭐ 10
Australia
Perth · ⭐ 10
Cambodia
Siem Reap · ⭐ 10
Frequently asked questions about Sydney in December
How warm is it in Sydney in December?
In December, Sydney averages 21.3°C, with daytime highs of 25.3°C and night lows of 17.5°C.
Does it rain a lot in Sydney in December?
December sees around 10 rainy days and about 73.1 mm of rainfall in Sydney.
Is December a good month to visit Sydney?
December scores 7.8/10 for Sydney. Sydney offers pleasantly warm weather with occasional showers (avg 21.3°C, 10 rainy days).