January weather forecast
Lake Illawarra, Australia

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Weather in January

January, the same as December, is a moderately hot summer month in Lake Illawarra, Australia, with an average temperature fluctuating between 25.7°C (78.3°F) and 19°C (66.2°F).

Temperature

The warmest period tends to be January, when average temperatures fluctuate between a high of 25.7°C (78.3°F) and a low of 19°C (66.2°F).

Humidity

The average relative humidity in January in Lake Illawarra is 76%.

Rainfall

In Lake Illawarra, during January, the rain falls for 17.6 days and regularly aggregates up to 64mm (2.52") of precipitation. In Lake Illawarra, during the entire year, the rain falls for 169 days and collects up to 678mm (26.69") of precipitation.

Sea temperature

In January, the average sea temperature is 22.9°C (73.2°F).
Note: Factoring in a person's dislike for cold, combined with conditions like sunshine, wind, and temperature, a dip in 22.9°C (73.2°F) waters might be satisfying. (It is worth noting that the Olympic swimming waters are maintained between 25°C (77°F) and 28°C (82.4°F).)

Daylight

In January, the average length of the day in Lake Illawarra, Australia, is 14h and 10min.
On the first day of the month, sunrise is at 5:46 am and sunset at 8:12 pm. On the last day of January, in Lake Illawarra, sunrise is at 6:15 am and sunset at 8:04 pm AEDT.

Sunshine

In Lake Illawarra, the average sunshine in January is 8.6h.

UV index

January and December, with an average maximum UV index of 6, are months with the highest UV index in Lake Illawarra. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: In January, the average maximum UV index of 6 translates into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Stay alert! Reflective properties of sand and water amplify the Sun's UV radiation.
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Frequently asked questions

What is the hottest time of year in Lake Illawarra?

Lake Illawarra's temperatures tend to reach their peak averages in January, with a high of 25.7°C (78.3°F) and a low of 19°C (66.2°F).

What is the temperature in January in Lake Illawarra?

January temperatures in Lake Illawarra vary between a high-temperature of 25.7°C (78.3°F) and a low-temperature of 19°C (66.2°F).

What is the average humidity in January in Lake Illawarra?

The average relative humidity in January in Lake Illawarra is 76%.

How many days does it rain in January in Lake Illawarra?

In Lake Illawarra, Australia, during January, the rain falls for 17.6 days and regularly aggregates up to 64mm (2.52") of precipitation.

What is the water temperature in January in Lake Illawarra?

In January, the average sea temperature in Lake Illawarra, Australia, is 22.9°C (73.2°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 22.9°C (73.2°F).

How many hours of daylight does Lake Illawarra have in January?

In Lake Illawarra, Australia, the average day length in January is 14h and 10min.

What time are sunrise and sunset in January in Lake Illawarra?

In January, on the first day of the month, sunrise is at 5:46 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:04 pm AEDT.

How long on average sun shines in January in Lake Illawarra?

In January, the average sunshine duration is 8.6h.

What are the months with the highest UV index in Lake Illawarra?

The months with the highest UV index in Lake Illawarra, Australia, are January and December, with an average maximum UV index of 6.

What is the UV index reading in January in Lake Illawarra?

The average daily maximum UV index in January in Lake Illawarra, Australia, is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Average temperature in January
Lake Illawarra, Australia

Average temperature in January - Lake Illawarra, Australia
  • Average high temperature in January: 25.7°C

The warmest month (with the highest average high temperature) is January (25.7°C).
The month with the lowest average high temperature is July (15.7°C).

  • Average low temperature in January: 19°C

The months with the highest average low temperature are January and February (19°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).

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Average pressure in January
Lake Illawarra, Australia

Average pressure in January - Lake Illawarra, Australia
  • Average pressure in January: 1012.9mbar

The month with the highest atmospheric pressure is June (1020.8mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).

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Average wind speed in January
Lake Illawarra, Australia

Average wind speed in January - Lake Illawarra, Australia
  • Average wind speed in January: 14.8km/h

The windiest month (with the highest average wind speed) is August (16.2km/h).
The calmest month (with the lowest average wind speed) is April (13.9km/h).

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Average humidity in January
Lake Illawarra, Australia

Average humidity in January - Lake Illawarra, Australia
  • Average humidity in January: 76%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (67%).

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Average rainfall in January
Lake Illawarra, Australia

Average rainfall in January - Lake Illawarra, Australia
  • Average rainfall in January: 64mm

The wettest month (with the highest rainfall) is February (97mm).
The driest month (with the least rainfall) is September (33mm).

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Average rainfall days in January
Lake Illawarra, Australia

Average rainfall days in January - Lake Illawarra, Australia
  • Average rainfall days in January: 17.6 days

The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is August (9.5 days).

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Average sea temperature in January
Lake Illawarra, Australia

Average sea temperature in January - Lake Illawarra, Australia
  • Average sea temperature in January: 22.9°C

The best month for swimming (with the highest average sea temperature) is February (23.5°C).
The coldest month (with the lowest average sea temperature) is August (18.1°C).

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Average daylight in January /
Average sunshine in January
Lake Illawarra, Australia

Average daylight in January / Average sunshine in January - Lake Illawarra, 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 4min

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).

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Average sunshine days in January
Lake Illawarra, Australia

Average sunshine days in January - Lake Illawarra, Australia
  • Average sunshine days in January: 9.8 days

The month with the most sunshine days is August (19.5 days).
The month with the least sunshine days is February (7.9 days).

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Average UV index in January
Lake Illawarra, Australia

Average UV index in January - Lake Illawarra, Australia
  • Average UV index in January: 6

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

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Average cloud cover in January
Lake Illawarra, Australia

Average cloud cover in January - Lake Illawarra, Australia
  • Average cloud cover in January: 40

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in January
Lake Illawarra, Australia

Average visibility in January - Lake Illawarra, 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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Lake Illawarra, Australia

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