Is Newcastle hot in May?
Days are typically mild at 20.7°C, while nights average 12.7°C.
Australia · 1991–2020 normal
Typical May weather in Newcastle: 20.7°C by day, 12.7°C at night, 118 mm of rain over 9 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, May scores 68 out of 100 (October leads the year at 87). Daylight is calculated as 10 h 27 from latitude -32.93°. Open-water sea temperature is 21.1°C (11 km from the place centre).
May at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically mild at 20.7°C, while nights average 12.7°C.
The measured monthly average is 118 mm across about 9 wet days.
There are about 10 h 27 between sunrise and sunset at mid-month, calculated from the place latitude.
May ranks 10 of 12 in our weather comparison; October ranks first.
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The nearest open-water NOAA OISST 1991–2020 cell averages 21.1°C in May. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
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The weather comparison for Newcastle is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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