Climate averages 1991–2020
Newcastle, Australia weather
in May.
A mild, wet month: the 9th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Newcastle, Australia: daytime highs average 18.9°C and nights cool to about 13.8°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 94 mm of rain on roughly 11 days, which makes May a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 27 min on an average May day.
The nearest other city in this atlas is Maitland (30 km away). In May its highs average 19.5°C, 0.6°C warmer than Newcastle, Australia, with 47 mm of rain.
Among the 32 cities listed in Australia, Newcastle, Australia ranks 18th of 32 for the warmest May highs and 30th of 32 for the driest May (rainfall, lowest first). The mean May high of those 32 cities is 19.5°C; Newcastle, Australia is 0.5°C cooler than that mean.
From May to June, average highs fall by 2.3°C to 16.6°C, and monthly rainfall rises from 94 mm to 113 mm.
The annual picture
May 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
Newcastle, Australia climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.1°C20.2°C | 20.2°C | 76 | 9.6 | 14.114 h |
| February | 25.5°C20.2°C | 20.2°C | 98 | 9.8 | 13.313 h |
| March | 23.9°C19.0°C | 19.0°C | 98 | 11.6 | 12.312 h |
| April | 21.7°C16.5°C | 16.5°C | 86 | 11.1 | 11.311 h |
| May, selected | 18.9°C13.8°C | 13.8°C | 94 | 10.8 | 10.510 h |
| June | 16.6°C11.7°C | 11.7°C | 113 | 11.6 | 10.010 h |
| July | 16.1°C10.5°C | 10.5°C | 73 | 8.9 | 10.210 h |
| August | 17.4°C10.8°C | 10.8°C | 56 | 7.1 | 10.911 h |
| September | 20.0°C12.8°C | 12.8°C | 53 | 7.0 | 11.912 h |
| October | 21.8°C14.8°C | 14.8°C | 63 | 8.4 | 12.913 h |
| November | 23.1°C16.7°C | 16.7°C | 81 | 9.7 | 13.814 h |
| December | 24.7°C18.6°C | 18.6°C | 70 | 9.8 | 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
May in nearby cities
- Maitland in MayAustralia · 30 kmHigh 19.5°C · Low 11.3°C · 47 mm rain
- Central Coast in MayAustralia · 67 kmHigh 18.8°C · Low 13.8°C · 70 mm rain
- Sydney in MayAustralia · 117 kmHigh 18.7°C · Low 12.4°C · 79 mm rain
- Blue Mountains in MayAustralia · 160 kmHigh 13.3°C · Low 4.6°C · 48 mm rain
- Wollongong in MayAustralia · 185 kmHigh 18.3°C · Low 13.5°C · 97 mm rain
- Coffs Harbour in MayAustralia · 319 kmHigh 19.9°C · Low 14.8°C · 74 mm rain
- Canberra in MayAustralia · 358 kmHigh 14.3°C · Low 4.3°C · 28 mm rain
- Tuggeranong in MayAustralia · 372 kmHigh 14.2°C · Low 4.4°C · 34 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 Newcastle) is explained once on the Newcastle, Australia year overview and on the Sources, method and limits page.