Wollongong weather in December
December in Wollongong: nice, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Wollongong · #181 of 897 destinations to visit in December · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Wollongong in December
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Wollongong climate normals — December
| Daytime high | 24°C / 75°F | 😎 nice |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Rainfall | 77 mm / 3 in | 🌦 some rain |
| Rainy days | 13 days | |
| Humidity | 75% | 💧 humid |
| Dew point | 15°C / 60°F | |
| Sunshine | 11.3 h/day | |
| Daylight | 14.4 h | |
| Wind | 23 km/h / 15 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Wollongong in December — FAQ
- Is December a good time to visit Wollongong?
- December in Wollongong: nice, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Wollongong on SeasonMap's comfort score (85/100).
- What is the weather like in Wollongong in December?
- In December, Wollongong averages a daily high of 23.8°C and a low of 17.9°C, with about 77.4 mm of rain over roughly 12.6 rainy days.
- What is the air quality in Wollongong in December?
- Wollongong has a mean US Air Quality Index of about 43 in December.