AustraliaThe weather in December in Newcastle
It's warm in December in Newcastle with an average temperature of 27°C. Temperatures this month range from a low of 24°C to a high of 29°C. At night, you can expect temperatures between 16°C and 20°C.
Looking for great weather? December is a good time to be in Newcastle. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Newcastle, Australia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 43°C in 2017, Newcastle reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 17°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 24°C.
Water temperature
The water temperature at Newcastle is 25°C this month. Lovely temperature for a swim.
Rainfall amount
In December, there is an average of 93 mm of precipitation, spread over 11 days. The wind speed is around 5 Bft, mostly coming from the Southeast.
Daily weather in December for Newcastle
Click on any day in December to get detailed info about the usual weather on that day in Newcastle. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Newcastle | New York | |
|---|---|---|
| Average temperature | 27°C | 9°C |
| Max. temperature | 29°C | 12°C |
| Min. temperature | 16°C | -5°C |
| Total precipitation | 93 mm | 133 mm |
| Rainy days | 11 days | 17 days |
Start of December
The month of December starts in Newcastle with hot temps, averaging around 27°C during the day and nights around 18°C.
Mid December
By mid-December, daytime temps rise to around 28°C, with nights around 19°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of December
By the end of December, the average daytime temperature in Newcastle is around 27°C, while nighttime temps are about 19°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Newcastle for all months and discover the best travel time
Curious about the weather in other parts of Australia? Check out the climate and weather for spots like Sydney, Gold Coast, Melbourne, or explore other destinations in Australia.
Temperature charts
These charts show the average temperatures in December in Newcastle, Australia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Newcastle
Temperature in December in Newcastle over the years
Precipitation charts
These charts show the average amount of precipitation in December in Newcastle, Australia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Newcastle
Total precipitation in December in Newcastle over the years
Daily UV index in December in Newcastle
This chart shows the average daily UV index in December in Newcastle, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December in Newcastle
Have you been to Newcastle in December?
Share your weather experience in December in Newcastle.
Average weather in Newcastle by month
Click on a month below to see detailed weather info for Newcastle. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.