Sydney Weather in December
Australia · December climate averages and travel tips
Avg high25°C (76°F)
Avg low19°C (66°F)
Rainfall74 mm (2.9 in)
RatingExcellent 8.6/10
Sydney in December sees daytime temperatures around 25°C (76°F), dropping to about 19°C (66°F) at night. December is summer in Australia. The month is moderately rainy, with about 74 mm (2.9 in) of rain spread over 11 days. You get roughly 14.2 hours of daylight and a mix of sun and cloud.
Is December a good time to visit Sydney?
December is a good time to visit Sydney (8.6/10), though April to May and August to October are even better.
December weather at a glance
| Average high | 25°C (76°F) |
|---|---|
| Average low | 19°C (66°F) |
| Daily mean | 21°C (71°F) |
| Rainfall | 74 mm (2.9 in) |
| Rainy days (1 mm+) | 11 |
| Humidity | 74% |
| Cloud cover | 58% |
| Daylight | 14.2 hours |
| Est. sunshine | 6.6 hours/day |
| Wind | 11.1 km/h |
| vs November | 2°C warmer than November, with 20 mm less rain. |
What to pack for Sydney in December
- T-shirts plus a light layer for the evening
- an umbrella or rain jacket
Sydney weather in other months
Jan26°C / 21°C92 mmGoodFeb25°C / 21°C129 mmGoodMar24°C / 20°C127 mmGoodApr22°C / 18°C75 mmExcellentMay20°C / 15°C43 mmExcellentJun17°C / 13°C89 mmGoodJul17°C / 12°C48 mmExcellentAug18°C / 12°C44 mmExcellentSep20°C / 14°C45 mmExcellentOct22°C / 16°C62 mmExcellentNov23°C / 17°C94 mmExcellentDec25°C / 19°C74 mmExcellent
← NovemberBest time to visit SydneyJanuary →
Better weather in December nearby
Nearby in December
- Canberra26°C · 75 mm
- Gold Coast30°C · 137 mm
- Melbourne24°C · 63 mm
- Brisbane28°C · 128 mm
- Hobart19°C · 67 mm
- Adelaide28°C · 21 mm
Where else is good in December? See where to go in December.