Wollongong Weather and Climate
Climate Snapshot
Wollongong's warmest month in 2024 was December, averaging 25.4 degrees. That gives Wollongong an annual average daytime high of 21.0 degrees, 1.3 degrees cooler than the New South Wales mean.
Daytime highs peak at 25.4 degrees in December and bottom out with overnight lows of 9.3 degrees in July. That is a 16.1 degree spread from hottest afternoon to coldest night. Overnight minimums average 13.9 degrees across the year, 1.4 degrees warmer than the New South Wales average of 12.5.
Annual rainfall totals 1,397mm across 154 rain days, 55 percent wetter than the New South Wales average. The wettest month is May at 225mm, and August is the driest at 32mm.
Don't let yearly averages fool you. The difference between May and August is massive, so timing your visit matters.
By our reckoning, December (9.6/10) is when the weather is at its finest, while June (2.1/10) is the toughest month to be outdoors.
Scroll down for the full month-by-month breakdown, or jump straight to December if you're picking the best time to visit Wollongong.
Monthly Comfort Score
Our Comfort Score rates each month from 1 (tough) to 10 (ideal) based on temperature, humidity, rainfall, UV, and sunshine. How we calculate it
Annual Comfort Score: 6.6/10 - Ranked #88 of 213 Australian cities (national avg 6.2, NSW avg 6.4)
Seasonal Overview
| Season | Avg Max °C | Avg Min °C | Total Rain mm | Comfort |
|---|---|---|---|---|
| Summer | 25.2 | 18.4 | 332 | 8.6 |
| Autumn | 21.0 | 14.1 | 512 | 6.1 |
| Winter | 16.5 | 9.7 | 263 | 3.9 |
| Spring | 21.2 | 13.3 | 289 | 7.8 |
Monthly Climate Averages
| Month | Max °C | Min °C | Rain mm | Rain Days | Solar MJ | Humidity % | Comfort |
|---|
Weather by Month
Detailed climate data, packing advice, and what to expect for each month in Wollongong.
25.2°C, 158mm rain February
25.0°C, 123mm rain March
24.2°C, 88mm rain April
20.9°C, 199mm rain May
17.9°C, 225mm rain June
15.6°C, 195mm rain July
15.4°C, 36mm rain August
18.6°C, 32mm rain September
20.3°C, 52mm rain October
20.2°C, 99mm rain November
23.2°C, 138mm rain December
25.4°C, 52mm rain
Compare and Explore
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