Wollongong weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Excellent
Best time to visit: April – May, August – February
What is the weather like in Wollongong in January?
In January, Wollongong is warm: daytime highs average 25 °C, and nights cool down to about 19 °C. The sea averages 22.8 °C – refreshing for a swim. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 85 mm in total. All in all, January is an excellent month for a holiday in Wollongong.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 82 | 82 | 76 |
| Day | 23° | 25° | 24° |
| Night | 17° | 19° | 19° |
| Sea | 22° | 23° | 24° |
| Sun | 8 h | 8 h | 8 h |
| Rain days | 11 | 11 | 13 |
More details for January
- Daylight
- 14 h 13 min05:59 – 20:11
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 13 daysdew point 18 °C or moreAll months
- Wind
- 24 km/haverage daily peakAll months
- Cloud cover
- 57 %on averageAll months
- Hot days
- 2 days30 °C or moreAll months
- Time zone
- UTC+11Australia/Sydney
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %82 %
- Few rainy daysweight 30 %51 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Wollongong in January: quick answers
Is Wollongong hot in January?
Warm rather than hot: in January, daytime highs in Wollongong average 25 °C and nights cool to about 19 °C. On about 2 days the thermometer climbs to 30 °C or more.
Can you swim in Wollongong in January?
Yes. In January the sea averages 22.8 °C – refreshing for a swim.
Does it rain much in Wollongong in January?
Rain is frequent, with about 11 rainy days and 85 mm in total.
Wollongong month by month
The whole year in WollongongAll destinations: AustraliaWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences