January weather forecast
Newcastle, Australia

Weather in January

January, the same as December, is another warm summer month in Newcastle, Australia, with an average temperature fluctuating between 20.3°C (68.5°F) and 26.7°C (80.1°F).

Temperature

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

Humidity

The average relative humidity in January is 75%.

Rainfall

In January, the rain falls for 13.3 days. Throughout January, 46mm (1.81") of precipitation is accumulated. In Newcastle, during the entire year, the rain falls for 160.9 days and collects up to 620mm (24.41") of precipitation.

Sea temperature

In January, the average sea temperature 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, sunrise is at 6:14 am and sunset at 7:57 pm AEDT.

Sunshine

In January, the average sunshine in Newcastle 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 in Newcastle. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in January interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the warmest month in Newcastle?

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

What is the temperature in January in Newcastle?

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

What is the average humidity in January in Newcastle?

In Newcastle, the average relative humidity in January is 75%.

How many days does it rain in January in Newcastle?

In Newcastle, during January, the rain falls for 13.3 days and regularly aggregates up to 46mm (1.81") of precipitation.

How warm is the water in January in Newcastle?

In Newcastle, 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.

What is the average length of the day in January in Newcastle?

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

What time 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, 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.

What is the UV index reading in January in Newcastle?

In Newcastle, Australia, the average daily maximum UV index in January is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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 2min

The month with the longest days is December (Average daylight: 14h and 17min).
The month with the shortest days is June (Average daylight: 10h and 1min).

  • Average sunshine in January: 8h and 42min

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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