January weather forecast
North Sydney, Australia

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Weather in January

January, like December, in North Sydney, Australia, is another warm summer month, with an average temperature varying between 19.8°C (67.6°F) and 27.3°C (81.1°F).

Temperature

January is the warmest month, with the temperature often reaching an average high of 27.3°C (81.1°F) and an average low of 19.8°C (67.6°F).

Heat index

For January, the heat index is evaluated at a hot 30°C (86°F). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.
Consider that heat index readings are for situations in the shade and light wind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

The average relative humidity in January in North Sydney, Australia, is 74%.

Rainfall

In North Sydney, Australia, in January, during 16.7 rainfall days, 63mm (2.48") of precipitation is typically accumulated. In North Sydney, during the entire year, the rain falls for 169 days and collects up to 647mm (25.47") of precipitation.

Sea temperature

In North Sydney, the average seawater temperature in January is 23.3°C (73.9°F).
Note: The cold tolerance of an individual, along with sunshine, wind, and the temperature of the environment, affects the enjoyment of swimming in 23.3°C (73.9°F) waters. (Olympic swimmers participate in waters ranging from 25°C (77°F) to 28°C (82.4°F).)

Daylight

The average length of the day in January in North Sydney is 14h and 7min.
On the first day of January in North Sydney, sunrise is at 5:47 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:01 pm AEDT.

Sunshine

In January, the average sunshine in North Sydney, Australia, is 8.5h.

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 value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 6 during January leads to these advisories:
Guard against overexposure. Protection from sun-induced harm is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be mindful! Sand and water reflections can up the Sun's UV exposure.
Updated: Jan 26, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What month is the hottest in North Sydney?

North Sydney's temperatures peak on average in January, reaching 27.3°C (81.1°F) at their highest and 19.8°C (67.6°F) at their lowest.

What are January temperatures in North Sydney?

January temperatures in North Sydney vary between a high-temperature of 27.3°C (81.1°F) and a low-temperature of 19.8°C (67.6°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in January is evaluated at 30°C (86°F).

What is the average humidity in January in North Sydney?

In January, the average relative humidity is 74%.

How many days does it rain in January in North Sydney?

In North Sydney, Australia, in January, during 16.7 rainfall days, 63mm (2.48") of precipitation is typically accumulated.

How warm is the water in January in North Sydney?

In January, the average sea temperature is 23.3°C (73.9°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.3°C (73.9°F) water.

How many hours of daylight does North Sydney have in January?

In January, the average day length is 14h and 7min.

When is the sunrise / sunset in January in North Sydney?

In January, on the first day of the month, sunrise is at 5:47 am and sunset at 8:09 pm. On the last day of the month, in North Sydney, sunrise is at 6:15 am and sunset at 8:01 pm AEDT.

How long on average sun shines in January in North Sydney?

The average sunshine duration in January in North Sydney, Australia, is 8.5h.

When is the highest UV index in North Sydney?

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

How high is the UV index in January in North Sydney?

The average daily maximum UV index in January in North Sydney, Australia, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in January
North Sydney, Australia

Average temperature in January - North Sydney, Australia
  • Average high temperature in January: 27.3°C

The warmest month (with the highest average high temperature) is January (27.3°C).
The month with the lowest average high temperature is July (16.6°C).

  • Average low temperature in January: 19.8°C

The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).

Average pressure in January
North Sydney, Australia

Average pressure in January - North Sydney, Australia
  • Average pressure in January: 1012.9mbar

The month with the highest atmospheric pressure is June (1020.9mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).

Average wind speed in January
North Sydney, Australia

Average wind speed in January - North Sydney, Australia
  • Average wind speed in January: 14km/h

The windiest months (with the highest average wind speed) are January and August (14km/h).
The calmest month (with the lowest average wind speed) is April (12.2km/h).

Average humidity in January
North Sydney, Australia

Average humidity in January - North Sydney, Australia
  • Average humidity in January: 74%

The month with the highest relative humidity is February (75%).
The months with the lowest relative humidity are August and September (66%).

Average rainfall in January
North Sydney, Australia

Average rainfall in January - North Sydney, Australia
  • Average rainfall in January: 63mm

The wettest month (with the highest rainfall) is February (92mm).
The driest month (with the least rainfall) is September (35mm).

Average rainfall days in January
North Sydney, Australia

Average rainfall days in January - North Sydney, Australia
  • Average rainfall days in January: 16.7 days

The month with the highest number of rainy days is March (18.8 days).
The month with the least rainy days is August (10.1 days).

Average sea temperature in January
North Sydney, Australia

Average sea temperature in January - North Sydney, Australia
  • Average sea temperature in January: 23.3°C

The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).

Average daylight in January /
Average sunshine in January
North Sydney, Australia

Average daylight in January / Average sunshine in January - North Sydney, Australia
  • Average daylight in January: 14h and 1min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in January: 8h and 3min

The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).

Average sunshine days in January
North Sydney, Australia

Average sunshine days in January - North Sydney, Australia
  • Average sunshine days in January: 11.2 days

The month with the most sunshine days is August (17.9 days).
The month with the least sunshine days is March (8.8 days).

Average UV index in January
North Sydney, Australia

Average UV index in January - North Sydney, 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, August and September (UV index 4).

Average cloud cover in January
North Sydney, Australia

Average cloud cover in January - North Sydney, Australia
  • Average cloud cover in January: 40

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in January
North Sydney, Australia

Average visibility in January - North Sydney, 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).

North Sydney, Australia

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