January weather forecast
Newcastle, Australia

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Weather in January

January in Newcastle, Australia experiences a warm climate with slightly higher temperature levels compared to the previous month. There is a substantial volume of rainfall, accompanied by a high relative humidity level. During this period, the highest temperature reaches 26.7°C (80.1°F) and the lowest dips to 20.3°C (68.5°F). A moderate seabreeze keeps the atmosphere refreshing, and daylight spans about 14 hours a day. This period also receives abundant sunshine, making beach activities an attractive option for visitors and locals alike.

Temperature

January, known for its average high temperature of 26.7°C (80.1°F) and an average low temperature of 20.3°C (68.5°F), is the warmest month.

Humidity

In January, the average relative humidity is 75%.

Rainfall

In Newcastle, in January, it is raining for 13.3 days, with typically 46mm (1.81") of accumulated precipitation. Throughout the year, there are 160.9 rainfall days, and 620mm (24.41") of precipitation is accumulated.

Sea temperature

In Newcastle, the average seawater temperature in January is 23.7°C (74.7°F).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.7°C (74.7°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)

Daylight

In Newcastle, the average length of the day in January is 14h and 2min.
On the first day of the month, sunrise is at 5:47 am and sunset at 8:04 pm. On the last day of January, in Newcastle, sunrise is at 6:14 am and sunset at 7:57 pm AEDT.

Sunshine

In Newcastle, the average sunshine in January is 8.7h.

UV index

January, February, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 6 in January translates into these instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
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Frequently asked questions

What time of the year is the hottest in Newcastle?

January is the warmest month in Newcastle, Australia, with the temperature often reaching an average high of 26.7°C (80.1°F) and an average low of 20.3°C (68.5°F).

What is the average January temperature in Newcastle?

In Newcastle, in January, the average high-temperature is 26.7°C (80.1°F), and the average low-temperature is 20.3°C (68.5°F).

What is the average humidity in January in Newcastle?

In January, the average relative humidity is 75%.

How much does it rain in Newcastle in January?

In January, in Newcastle, Australia, the rain falls for 13.3 days. Throughout January, 46mm (1.81") of precipitation is accumulated.

How warm is the water in January in Newcastle?

In Newcastle, Australia, in January, the average water temperature is 23.7°C (74.7°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.7°C (74.7°F) water may be enjoyable.

How many hours of daylight does Newcastle have in January?

In January, the average day length is 14h and 2min.

When are sunrise and sunset in January in Newcastle?

On the first day of January in Newcastle, Australia, sunrise is at 5:47 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:57 pm AEDT.

How long on average sun shines in January in Newcastle?

In Newcastle, Australia, the average sunshine duration in January is 8.7h.

When is the highest UV index in Newcastle?

January, February, November and December, with an average maximum UV index of 6, are months with the highest UV index in Newcastle, Australia.

How high is the UV index in January in Newcastle?

In Newcastle, the average daily maximum UV index in January is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.

Average temperature in January
Newcastle, Australia

Average temperature in January - Newcastle, Australia
  • Average high temperature in January: 26.7°C

The warmest month (with the highest average high temperature) is January (26.7°C).
The month with the lowest average high temperature is July (16.3°C).

  • Average low temperature in January: 20.3°C

The month with the highest average low temperature is January (20.3°C).
The coldest month (with the lowest average low temperature) is August (10.8°C).

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Average pressure in January
Newcastle, Australia

Average pressure in January - Newcastle, Australia
  • Average pressure in January: 1012.8mbar

The month with the highest atmospheric pressure is June (1020.9mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).

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Average wind speed in January
Newcastle, Australia

Average wind speed in January - Newcastle, Australia
  • Average wind speed in January: 16.1km/h

The windiest month (with the highest average wind speed) is August (16.7km/h).
The calmest month (with the lowest average wind speed) is April (14.1km/h).

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Average humidity in January
Newcastle, Australia

Average humidity in January - Newcastle, Australia
  • Average humidity in January: 75%

The month with the highest relative humidity is February (77%).
The months with the lowest relative humidity are August and September (69%).

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Average rainfall in January
Newcastle, Australia

Average rainfall in January - Newcastle, Australia
  • Average rainfall in January: 46mm

The wettest month (with the highest rainfall) is February (79mm).
The driest month (with the least rainfall) is August (34mm).

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Average rainfall days in January
Newcastle, Australia

Average rainfall days in January - Newcastle, Australia
  • Average rainfall days in January: 13.3 days

The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is August (10.2 days).

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Average sea temperature in January
Newcastle, Australia

Average sea temperature in January - Newcastle, Australia
  • Average sea temperature in January: 23.7°C

The best month for swimming (with the highest average sea temperature) is February (24°C).
The coldest month (with the lowest average sea temperature) is August (18.9°C).

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Average daylight in January /
Average sunshine in January
Newcastle, Australia

Average daylight in January / Average sunshine in January - Newcastle, Australia
  • Average daylight in January: 14h and 0min

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

  • Average sunshine in January: 8h and 4min

The months with the most sunshine are November and December (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).

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Average sunshine days in January
Newcastle, Australia

Average sunshine days in January - Newcastle, Australia
  • Average sunshine days in January: 15.4 days

The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is February (12.4 days).

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Average UV index in January
Newcastle, Australia

Average UV index in January - Newcastle, Australia
  • Average UV index in January: 6

The months with the highest UV index are January, February, November and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 4).

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Average cloud cover in January
Newcastle, Australia

Average cloud cover in January - Newcastle, Australia
  • Average cloud cover in January: 37

The month with the most cloud cover is February (Cloud cover 39).
The months with the least cloud cover are August and September (Cloud cover 24).

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Average visibility in January
Newcastle, Australia

Average visibility in January - Newcastle, Australia
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Newcastle, Australia

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