Weather in Newcastle in December
Newcastle, Australia averages a high of 25°C (77°F) and low of 18.7°C (65.7°F) in December, with 9 rain days and 11.3 hours of daily sunshine. Travel score: 83.5/100 (Excellent). The best time to visit Newcastle is September.
High
25°C77°F
Low
19°C66°F
🌧️
9
rain days
☀️
11.3
hrs/day sunshine
💧
72%
humidity
84— Excellent
December in Newcastle is warm and occasionally wet — ideal for sightseeing and outdoor activities.
What are the average temperatures in Newcastle?
How much does it rain in Newcastle in December?
Newcastle receives an average of 62.7mm of rainfall across 9 rainy days in December. The annual total is 774.5mm.
What should I pack for Newcastle in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 25°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (9 days)
☔
Umbrella
Be prepared for occasional showers
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Data based on 1994–2024 averages · Last updated: 2024-12-31