Newcastle weather in May
Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Excellent
Best time to visit: August – May
What is the weather like in Newcastle in May?
In May, Newcastle is mild: daytime highs average 19 °C, and nights cool down to about 13 °C. The sea averages 21.2 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 61 mm in total. All in all, May is an excellent month for a holiday in Newcastle.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 10 h 27 min06:35 – 17:03
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 44 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+10Australia/Sydney
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %57 %
- 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 May
- Swimwear
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Newcastle in May: quick answers
Is Newcastle hot in May?
No. In May, Newcastle is mild: daytime highs average 19 °C and nights drop to about 13 °C.
Can you swim in Newcastle in May?
Yes. In May the sea averages 21.2 °C – refreshing for a swim.
Does it rain much in Newcastle in May?
Rain is frequent, with about 9 rainy days and 61 mm in total.
Newcastle month by month
The whole year in NewcastleAll destinations: AustraliaWhere to go in MaySea temperature in May
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