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New South Wales weather in August 2025
Expect daytime maximum temperatures of 18°C in New South Wales, Australia in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 96 mm of rainfall in the month.
- 18°C max day temperature
18 - 7 hours of sunshine per day
- 10 days with some rainfall
10 - 9°C min night temperature
9 - 11 hours of daylight per day
11 - No heat & humidity
0 - 96 mm of monthly rainfall
96 - 4 (Moderate) UV index
4 - 17°C sea temperature
17
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Recommended for New South Wales
The August weather guide for New South Wales (Sydney) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top New South Wales destinations
Below are average maximum temperatures at popular countries, regions and places in New South Wales in August. Select a holiday destination to see more weather parameters.
All New South Wales destinations
- Albury
- Batemans Bay
- Bourke
- Broken Hill
- Byron Bay
- Cobar
- Coffs Harbour
- Cooma
- Dubbo
- Hay
- Katoomba
- Lord Howe Island
- Moree
- Sydney
- Tamworth
- Tibooburra
- Wagga Wagga
Metric (°C / mm) | Imperial (°F / inches)
More about Australia
How hot is it in New South Wales in August?
Daytime temperatures usually reach 18°C in Sydney, New South Wales in August, falling to 9°C at night.
How sunny is it in New South Wales in August?
There are normally 7 hours of bright sunshine each day in Sydney, New South Wales in August - that's 67% of daylight hours.
How warm is the sea around New South Wales in August?
The average sea temperature around Sydney, New South Wales in August is 17°C.
Does it rain in New South Wales in August?
There are usually 10 days with some rain in Sydney, New South Wales in August and the average monthly rainfall is 96mm.
New South Wales August sunrise & sunset times
Browse the sunrise and sunset times for New South Wales in August 2025. Select a month to view New South Wales sunrise and sunset times for the next 12 months. The New South Wales sunrise and sunset times shown below are for Sydney.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 06:48 | 17:16 |
| Saturday, 16th August 2025 | 06:33 | 17:26 |
| Sunday, 31st August 2025 | 06:15 | 17:37 |
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