Newcastle Weather in January
What's the weather like in Newcastle (New South Wales) in January 2025?
The climate in Newcastle during January can be summarized as hot and damp.
January is in the summer in Newcastle and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (83°F), whilst at night 19°C (66°F) is normal.
| Daytime temperature | 28.2°C 82.7°F |
|---|---|
| Nightly temperature | 18.7°C 65.6°F |
| Average temperature | 23.4°C 74.1°F |
| Daily sunshine | 7.8 hrs |
| Avg rainfall | 114 mm 4.5 ins |
| Rainy days | 12 days |
| Sea temperature | 24°C 75.3°F |
| Humidity | 65% |
| Windspeed | 12.6kph 8 mph |
On average January is the 4th wettest month of the year in Newcastle with around 114mm 4.5 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 hours of sunshine per day.
January temperatures in Newcastle
January rainfall
January hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Newcastle in January 2025.
Other monthly averages
Best places to visit in January
Newcastle weather stats
| Hottest month: | January | 27.9°C 82.2°F |
|---|---|---|
| Driest month: | September | 55mm 2.2ins |
| Sunniest month: | August | 7.9hrs |
| Coldest month: | July | 17.7°C 63.9°F |
| Wettest month: | June | 129mm 5.1ins |
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