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Newcastle Weather in July
July in Newcastle typically sees daytime highs of 18°C (64°F) and nighttime lows of 12°C (54°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Newcastle in July
Typically around 9 days of rainfall are expected, averaging 70 mm (2.8 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Newcastle in July
Daytime highs in Newcastle in July reach 18°C (64°F), with nights around 12°C (54°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. 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. This month is known for its mildest temperatures of the year, yet it still offers a pleasantly warm days.For Newcastle itself, January, March, April, May, September, October, November and December generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Newcastle Temperature in July
Min Temperature
12°C (54°F)
Max Temperature
18°C (64°F)
Chance of Rain
29%
Precipitation
70 mm (2.8 in)
Rainy days
9 days
Humidity
52% *
* Data from: Maitland, Australia (30 KM, 18 Miles).
Newcastle Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Newcastle - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Newcastle typically stay consistent throughout July, with daily highs averaging around 18°C (64°F). Nights are cool, with lows around 8°C (46°F).
Average temperatures in July
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 July
Historical weather records for Newcastle in July
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 July
Based on 50 years of weather observations in Newcastle between 1976 and 2026, these are the recorded extremes.
- The warmest day in July was on July 24, 1990, with a maximum of 26°C (79°F).
- The lowest daytime temperature in July was 8°C (46°F), recorded on July 29, 1986.
- Nighttime temperatures dropped to -3°C (27°F) on July 27, 1986, marking the coldest July night on record.
Best Places in Australia in July
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in July →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Newcastle in July
For Newcastle in July, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.
What To Do in Newcastle in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping8/10 -
Outdoor sports10/10
Newcastle 3-Day Forecast
More climate data for Newcastle
See the full Newcastle climate overview or explore weather in Australia.
Popular in July
Where to go in July - average daytime high across popular destinations.
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