January weather forecast
Yarrawarrah, Australia

January

Weather in January

January, the same as December, is a moderately hot summer month in Yarrawarrah, Australia, with an average temperature fluctuating between 29.3°C (84.7°F) and 18.8°C (65.8°F).

Temperature

January stands out as Yarrawarrah's warmest month, with an average high-temperature of 29.3°C (84.7°F) and a low-temperature of 18.8°C (65.8°F).

Heat index

During January, the heat index is estimated at a hot 33°C (91.4°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

In January, the average relative humidity is 70%.

Rainfall

In Yarrawarrah, during January, the rain falls for 15.5 days and regularly aggregates up to 51mm (2.01") of precipitation. In Yarrawarrah, during the entire year, the rain falls for 138.7 days and collects up to 508mm (20") of precipitation.

Daylight

In Yarrawarrah, the average length of the day in January is 14h and 8min.
On the first day of the month, sunrise is at 5:47 am and sunset at 8:10 pm. On the last day of January, in Yarrawarrah, sunrise is at 6:15 am and sunset at 8:02 pm AEDT.

Sunshine

In Yarrawarrah, the average sunshine in January is 8.2h.

UV index

January, February, November and December, with an average maximum UV index of 6, are months with the highest UV index in Yarrawarrah, Australia. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 6 in January translates into the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

What part of the year is the hottest in Yarrawarrah?
Yarrawarrah's temperature records reveal January as the warmest month, marked by average highs of 29.3°C (84.7°F) and lows of 18.8°C (65.8°F).
How hot does it get in Yarrawarrah in January?
The high-temperature, in January, in Yarrawarrah, is 29.3°C (84.7°F), while the low-temperature averages to 18.8°C (65.8°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in January is estimated at 33°C (91.4°F).
What is the average humidity in January in Yarrawarrah?
In Yarrawarrah, the average relative humidity in January is 70%.
How many days does it rain in January in Yarrawarrah?
In Yarrawarrah, in January, it is raining for 15.5 days, with typically 51mm (2.01") of accumulated precipitation.
How many hours of daylight does Yarrawarrah have in January?
The average day length in January in Yarrawarrah is 14h and 8min.
When is the sunrise / sunset in January in Yarrawarrah?
On the first day of January in Yarrawarrah, Australia, sunrise is at 5:47 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:02 pm AEDT.
How long on average sun shines in January in Yarrawarrah?
In January, the average sunshine duration is 8.2h.
What are the months with the highest UV index in Yarrawarrah?
The months with the highest UV index in Yarrawarrah, Australia, are January, February, November and December, with an average maximum UV index of 6.
How high is the UV index in January in Yarrawarrah?
In January, the average daily maximum UV index in Yarrawarrah is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January
Yarrawarrah, Australia
  • Average high temperature in January: 29.3°C

The warmest month (with the highest average high temperature) is January (29.3°C).
The month with the lowest average high temperature is June (16.8°C).

  • Average low temperature in January: 18.8°C

The month with the highest average low temperature is January (18.8°C).
The coldest month (with the lowest average low temperature) is July (8°C).

Average pressure in January
Yarrawarrah, Australia
  • Average pressure in January: 1012.9mbar

The month with the highest atmospheric pressure is June (1021mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).

Average wind speed in January
Yarrawarrah, Australia
  • Average wind speed in January: 10.2km/h

The windiest months (with the highest average wind speed) are January, September and December (10.2km/h).
The calmest month (with the lowest average wind speed) is April (8.8km/h).

Average humidity in January
Yarrawarrah, Australia
  • Average humidity in January: 70%

The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is September (65%).

Average rainfall in January
Yarrawarrah, Australia
  • Average rainfall in January: 51mm

The wettest month (with the highest rainfall) is February (83mm).
The driest months (with the least rainfall) are May and September (26mm).

Average rainfall days in January
Yarrawarrah, Australia
  • Average rainfall days in January: 15.5 days

The month with the highest number of rainy days is February (15.8 days).
The month with the least rainy days is August (7.3 days).

Average daylight in January /
Average sunshine in January
Yarrawarrah, 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 1min

The month with the most sunshine is November (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).

Average sunshine days in January
Yarrawarrah, Australia
  • Average sunshine days in January: 13 days

The month with the most sunshine days is August (22.7 days).
The month with the least sunshine days is February (10.6 days).

Average UV index in January
Yarrawarrah, 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
Yarrawarrah, Australia
  • Average cloud cover in January: 44

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in January
Yarrawarrah, Australia
  • Average visibility in January: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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