Newcastle
Australia
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Newcastle, Australia

January, like December, in Newcastle, Australia, is a moderately hot summer month, with 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

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

Rainfall

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

Sea temperature

In January, the average sea temperature is 23.7°C (74.7°F).
Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 23.7°C (74.7°F).

Daylight

In Newcastle, Australia, the average length of the day is 14h.

Sunshine

The average sunshine in Newcastle is 8.7h.

UV index

Months with the highest UV index are January, February, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the warmest month in Newcastle?

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

What is the water temperature in January in Newcastle?

In January, the average sea temperature in Newcastle, Australia, is 23.7°C (74.7°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 23.7°C (74.7°F).

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

In Newcastle, Australia, the average length of the day in January is 14h.

How long on average sun shines in January in Newcastle?

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

What are the months with the highest UV index in Newcastle?

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

How high is the UV index in January in Newcastle?

In January, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from the exposure to the Sun's UV rays.
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).

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

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

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 lowest rainfall) is August (34mm).

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 lowest number of rainy days is August (10.2 days).

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).

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

The month with the longest days is December (Average daylight: 14.3h).
The month with shortest days is June (Average daylight: 10h).

  • Average sunshine in January: 8.7h

Months with most sunshine are November and December (Average sunshine: 9.8h).
The month with least sunshine is June (Average sunshine: 5.8h).

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

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