Newcastle Weather in August
August in Newcastle typically sees daytime highs of 19°C (66°F) and nighttime lows of 12°C (54°F). With the least rainfall of the year, it's a reliably dry month.
Rainfall in Newcastle in August
August is the month with the least rainfall. Whether you're keen on hiking, outdoor festivals, or just enjoying a walk, this month provides a reliably dry backdrop for all your plans. Looking at the last 30 years, the data shows about 10 days with rain, averaging 54 mm (2.1 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Newcastle in August
Daytime temperatures in Newcastle reach 19°C (66°F) in August, dropping to 12°C (54°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.If your ideal day consists of dry skies and pleasant temperatures, January, March, April, May, September, October, November and December typically offer the best circumstances for Newcastle.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Newcastle's climate page.
Newcastle Temperature in August
Min Temperature
12°C (54°F)
Max Temperature
19°C (66°F)
Chance of Rain
34%
Precipitation
54 mm (2.1 in)
Rainy days
10 days
Humidity
49% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Newcastle typically stay consistent throughout August, with daily highs averaging around 19°C (66°F). Nights are cool, with lows typically ranging from 7°C (45°F) to 10°C (50°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Newcastle in August
Browse day-by-day weather records for Newcastle spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Newcastle historical weather extremes in August
The extremes listed below come from historical weather data collected in Newcastle from 1976 through 2025.
- Newcastle recorded its highest August temperature of 29°C (84°F) on August 24, 2009.
- Newcastle experienced its chilliest August day on August 5, 1987, reaching only 10°C (50°F).
- Newcastle registered its coldest August night on August 17, 2005, with temperatures dropping to -1°C (30°F).
Best Places in Australia in August
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in August →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Newcastle in August
Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.What To Do in Newcastle in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Newcastle's climate page.
See the full Newcastle climate overview or explore weather in Australia.
