Wollongong weather in January
January in Wollongong: warm, rainy, with clean air — one of the best months to visit.
#1 of 12 months in Wollongong · #176 of 897 destinations to visit in January · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Wollongong in January
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Wollongong climate normals — January
| Daytime high | 25°C / 77°F | 🌤 warm |
|---|---|---|
| Nighttime low | 20°C / 68°F | |
| Rainfall | 87 mm / 3.4 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 18°C / 65°F | |
| Sunshine | 10.8 h/day | |
| Daylight | 14.1 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Wollongong in January — FAQ
- Is January a good time to visit Wollongong?
- January in Wollongong: warm, rainy, with clean air — one of the best months to visit. It ranks #1 of 12 months for Wollongong on SeasonMap's comfort score (86/100).
- What is the weather like in Wollongong in January?
- In January, Wollongong averages a daily high of 25.2°C and a low of 20.2°C, with about 87.4 mm of rain over roughly 13.2 rainy days.
- What is the air quality in Wollongong in January?
- Wollongong has a mean US Air Quality Index of about 37 in January.