Newcastle weather in June
Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Good
Best time to visit: August – May
What is the weather like in Newcastle in June?
In June, Newcastle is mild: daytime highs average 17 °C, and nights cool down to about 11 °C. The sea averages 19.9 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 64 mm in total. All in all, June is a good month for a holiday in Newcastle.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 9 h 59 min06:53 – 16:53
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 45 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+10Australia/Sydney
How the score comes together
- Temperatureweight 50 %86 %
- Sunshineweight 20 %43 %
- Few rainy daysweight 30 %63 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in June
- A jumper for the evenings
- Rain jacket or umbrella
Newcastle in June: quick answers
Is Newcastle hot in June?
No. In June, Newcastle is mild: daytime highs average 17 °C and nights drop to about 11 °C.
Can you swim in Newcastle in June?
Only if you don't mind cold water: in June the sea averages just 19.9 °C. Comfortable swimming is possible from November to May.
Does it rain much in Newcastle in June?
Rain is frequent, with about 9 rainy days and 64 mm in total.
Newcastle month by month
The whole year in NewcastleAll destinations: AustraliaWhere to go in JuneSea temperature in June
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences