Climate averages 1991–2020
Blue Mountains weather
in June.
A cool, moderately wet month: the 11th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a cool month in Blue Mountains: daytime highs average 10.4°C and nights cool to about 2.7°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 62 mm of rain on roughly 8 days, which makes June a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 57 min on an average June day.
The nearest other city in this atlas is Sydney (83 km away). In June its highs average 16.4°C, 6.0°C warmer than Blue Mountains, with 97 mm of rain.
Among the 32 cities listed in Australia, Blue Mountains ranks 32nd of 32 for the warmest June highs and joint 21st of 32 for the driest June (rainfall, lowest first). The mean June high of those 32 cities is 17.0°C; Blue Mountains is 6.6°C cooler than that mean.
From June to July, average highs fall by 0.5°C to 9.9°C, and monthly rainfall falls from 62 mm to 37 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
Blue Mountains climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 23.6°C12.8°C | 12.8°C | 126 | 15.5 | 14.114 h |
| February | 22.2°C12.6°C | 12.6°C | 148 | 15.4 | 13.313 h |
| March | 19.9°C10.8°C | 10.8°C | 115 | 15.1 | 12.312 h |
| April | 16.8°C7.7°C | 7.7°C | 56 | 9.1 | 11.311 h |
| May | 13.3°C4.6°C | 4.6°C | 48 | 6.6 | 10.410 h |
| June, selected | 10.4°C2.7°C | 2.7°C | 62 | 7.7 | 10.010 h |
| July | 9.9°C1.5°C | 1.5°C | 37 | 6.3 | 10.110 h |
| August | 11.5°C1.8°C | 1.8°C | 46 | 6.7 | 10.911 h |
| September | 15.0°C4.3°C | 4.3°C | 53 | 8.3 | 11.912 h |
| October | 18.0°C6.6°C | 6.6°C | 75 | 10.5 | 12.913 h |
| November | 20.1°C8.9°C | 8.9°C | 109 | 13.7 | 13.814 h |
| December | 22.1°C11.0°C | 11.0°C | 121 | 13.5 | 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
- Sydney in JuneAustralia · 83 kmHigh 16.4°C · Low 10.4°C · 97 mm rain
- Wollongong in JuneAustralia · 95 kmHigh 16.0°C · Low 11.7°C · 123 mm rain
- Central Coast in JuneAustralia · 101 kmHigh 16.5°C · Low 11.8°C · 86 mm rain
- Maitland in JuneAustralia · 158 kmHigh 16.9°C · Low 9.2°C · 59 mm rain
- Newcastle, Australia in JuneAustralia · 160 kmHigh 16.6°C · Low 11.7°C · 113 mm rain
- Canberra in JuneAustralia · 206 kmHigh 10.9°C · Low 2.5°C · 52 mm rain
- Tuggeranong in JuneAustralia · 222 kmHigh 10.8°C · Low 2.6°C · 58 mm rain
- Coffs Harbour in JuneAustralia · 462 kmHigh 17.9°C · Low 12.7°C · 81 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 Blue Mountains) is explained once on the Blue Mountains year overview and on the Sources, method and limits page.