Climate averages 1991–2020
Newcastle, Australia weather
in June.
A mild, wet month: the 11th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a mild month in Newcastle, Australia: daytime highs average 16.6°C and nights cool to about 11.7°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 113 mm of rain on roughly 12 days, which makes June a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 01 min on an average June day.
The nearest other city in this atlas is Maitland (30 km away). In June its highs average 16.9°C, about as warm as Newcastle, Australia, with 59 mm of rain.
Among the 32 cities listed in Australia, Newcastle, Australia ranks 18th of 32 for the warmest June highs and 30th of 32 for the driest June (rainfall, lowest first). The mean June high of those 32 cities is 17.0°C; Newcastle, Australia is 0.5°C cooler than that mean.
From June to July, average highs fall by 0.5°C to 16.1°C, and monthly rainfall falls from 113 mm to 73 mm.
The annual picture
June 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
Newcastle, Australia climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.1°C20.2°C | 20.2°C | 76 | 9.6 | 14.114 h |
| February | 25.5°C20.2°C | 20.2°C | 98 | 9.8 | 13.313 h |
| March | 23.9°C19.0°C | 19.0°C | 98 | 11.6 | 12.312 h |
| April | 21.7°C16.5°C | 16.5°C | 86 | 11.1 | 11.311 h |
| May | 18.9°C13.8°C | 13.8°C | 94 | 10.8 | 10.510 h |
| June, selected | 16.6°C11.7°C | 11.7°C | 113 | 11.6 | 10.010 h |
| July | 16.1°C10.5°C | 10.5°C | 73 | 8.9 | 10.210 h |
| August | 17.4°C10.8°C | 10.8°C | 56 | 7.1 | 10.911 h |
| September | 20.0°C12.8°C | 12.8°C | 53 | 7.0 | 11.912 h |
| October | 21.8°C14.8°C | 14.8°C | 63 | 8.4 | 12.913 h |
| November | 23.1°C16.7°C | 16.7°C | 81 | 9.7 | 13.814 h |
| December | 24.7°C18.6°C | 18.6°C | 70 | 9.8 | 14.314 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
June in nearby cities
- Maitland in JuneAustralia · 30 kmHigh 16.9°C · Low 9.2°C · 59 mm rain
- Central Coast in JuneAustralia · 67 kmHigh 16.5°C · Low 11.8°C · 86 mm rain
- Sydney in JuneAustralia · 117 kmHigh 16.4°C · Low 10.4°C · 97 mm rain
- Blue Mountains in JuneAustralia · 160 kmHigh 10.4°C · Low 2.7°C · 62 mm rain
- Wollongong in JuneAustralia · 185 kmHigh 16.0°C · Low 11.7°C · 123 mm rain
- Coffs Harbour in JuneAustralia · 319 kmHigh 17.9°C · Low 12.7°C · 81 mm rain
- Canberra in JuneAustralia · 358 kmHigh 10.9°C · Low 2.5°C · 52 mm rain
- Tuggeranong in JuneAustralia · 372 kmHigh 10.8°C · Low 2.6°C · 58 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 Newcastle) is explained once on the Newcastle, Australia year overview and on the Sources, method and limits page.