Newcastle Weather in June
During June, Newcastle experiences pleasant daytime temperatures of 19°C (66°F) and cooler nights around 13°C (55°F). As the wettest month of the year, expect frequent rainfall.
Rainfall in Newcastle in June
Prepare for the wettest month with an umbrella to protect yourself from frequent rain. Based on our climate data of the past 30 years, about 11 days of rain are anticipated, with 109 mm (4.3 in) on average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Newcastle in June
In June, Newcastle gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 13°C (55°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to around 13°C (55°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.June in Newcastle can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Newcastle's climate page.
Newcastle Temperature in June
Min Temperature
13°C (55°F)
Max Temperature
19°C (66°F)
Chance of Rain
37%
Precipitation
109 mm (4.3 in)
Rainy days
11 days
Humidity
54% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Newcastle typically stay consistent throughout June, with daily highs averaging around 19°C (66°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 11°C (52°F).
Average temperatures in June
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in June
Historical weather for Newcastle in June
Browse day-by-day weather records for Newcastle spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Newcastle historical weather extremes in June
The extremes listed below come from historical weather data collected in Newcastle from 1976 through 2025.
- On June 13, 2019, temperatures climbed to 26°C (79°F), marking the warmest June day on record.
- Newcastle experienced its chilliest June day on June 21, 1986, reaching only 7°C (45°F).
- The lowest overnight temperature recorded in June was 1°C (34°F) (June 28, 2014).
Best Places in Australia in June
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in June →
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What to Wear in Newcastle in June
Pleasant temperatures in June mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Newcastle in June
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Newcastle's climate page.
See the full Newcastle climate overview or explore weather in Australia.
