Climate averages 1991–2020
Newcastle, Australia weather
in January.
A warm, moderately wet month: the warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Newcastle, Australia: daytime highs average 26.1°C and nights cool to about 20.2°C. By daytime temperature it is the warmest month of the year.
Expect about 76 mm of rain on roughly 10 days, which makes January a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 03 min on an average January day.
The nearest other city in this atlas is Maitland (30 km away). In January its highs average 29.0°C, 2.9°C warmer than Newcastle, Australia, with 66 mm of rain.
Among the 32 cities listed in Australia, Newcastle, Australia ranks 23rd of 32 for the warmest January highs and 16th of 32 for the driest January (rainfall, lowest first). The mean January high of those 32 cities is 27.2°C; Newcastle, Australia is 1.2°C cooler than that mean.
From January to February, average highs fall by 0.6°C to 25.5°C, and monthly rainfall rises from 76 mm to 98 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Maitland in JanuaryAustralia · 30 kmHigh 29.0°C · Low 19.3°C · 66 mm rain
- Central Coast in JanuaryAustralia · 67 kmHigh 25.7°C · Low 20.1°C · 78 mm rain
- Sydney in JanuaryAustralia · 117 kmHigh 25.6°C · Low 19.5°C · 73 mm rain
- Blue Mountains in JanuaryAustralia · 160 kmHigh 23.6°C · Low 12.8°C · 126 mm rain
- Wollongong in JanuaryAustralia · 185 kmHigh 24.8°C · Low 19.2°C · 84 mm rain
- Coffs Harbour in JanuaryAustralia · 319 kmHigh 26.5°C · Low 20.8°C · 160 mm rain
- Canberra in JanuaryAustralia · 358 kmHigh 26.7°C · Low 14.3°C · 48 mm rain
- Tuggeranong in JanuaryAustralia · 372 kmHigh 26.7°C · Low 14.3°C · 72 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.