Climate averages 1991–2020
Wollongong weather
in May.
A mild, wet month: the 9th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Wollongong: daytime highs average 18.3°C and nights cool to about 13.5°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 97 mm of rain on roughly 10 days, which makes May a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 21 min on an average May day.
The nearest other city in this atlas is Sydney (68 km away). In May its highs average 18.7°C, about as warm as Wollongong, with 79 mm of rain.
Among the 32 cities listed in Australia, Wollongong ranks 21st of 32 for the warmest May highs and joint 31st of 32 for the driest May (rainfall, lowest first). The mean May high of those 32 cities is 19.5°C; Wollongong is 1.1°C cooler than that mean.
From May to June, average highs fall by 2.3°C to 16.0°C, and monthly rainfall rises from 97 mm to 123 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Wollongong climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.8°C19.2°C | 19.2°C | 84 | 10.8 | 14.214 h |
| February | 24.3°C19.4°C | 19.4°C | 118 | 12.3 | 13.413 h |
| March | 23.0°C18.3°C | 18.3°C | 109 | 13.9 | 12.312 h |
| April | 20.9°C16.0°C | 16.0°C | 95 | 11.8 | 11.311 h |
| May, selected | 18.3°C13.5°C | 13.5°C | 97 | 10.0 | 10.410 h |
| June | 16.0°C11.7°C | 11.7°C | 123 | 10.3 | 9.910 h |
| July | 15.5°C10.5°C | 10.5°C | 66 | 7.9 | 10.110 h |
| August | 16.6°C10.7°C | 10.7°C | 63 | 6.8 | 10.811 h |
| September | 18.8°C12.3°C | 12.3°C | 59 | 7.5 | 11.812 h |
| October | 20.6°C14.1°C | 14.1°C | 73 | 9.7 | 12.913 h |
| November | 21.9°C15.7°C | 15.7°C | 85 | 10.8 | 13.914 h |
| December | 23.5°C17.5°C | 17.5°C | 72 | 11.4 | 14.414 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Sydney in MayAustralia · 68 kmHigh 18.7°C · Low 12.4°C · 79 mm rain
- Blue Mountains in MayAustralia · 95 kmHigh 13.3°C · Low 4.6°C · 48 mm rain
- Central Coast in MayAustralia · 119 kmHigh 18.8°C · Low 13.8°C · 70 mm rain
- Newcastle, Australia in MayAustralia · 185 kmHigh 18.9°C · Low 13.8°C · 94 mm rain
- Canberra in MayAustralia · 187 kmHigh 14.3°C · Low 4.3°C · 28 mm rain
- Maitland in MayAustralia · 198 kmHigh 19.5°C · Low 11.3°C · 47 mm rain
- Tuggeranong in MayAustralia · 200 kmHigh 14.2°C · Low 4.4°C · 34 mm rain
- Coffs Harbour in MayAustralia · 504 kmHigh 19.9°C · Low 14.8°C · 74 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Wollongong) is explained once on the Wollongong year overview and on the Sources, method and limits page.