Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, noted for its average high-temperature of 29.2°C (84.6°F) and an average low-temperature of 18.8°C (65.8°F), is considered the warmest month.Heat index
Throughout January, the heat index is calculated to be a tropical 33°C (91.4°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
In Holroyd, the average relative humidity in January is 71%.Rainfall
In Holroyd, during January, the rain falls for 15.9 days and regularly aggregates up to 59mm (2.32") of precipitation. In Holroyd, during the entire year, the rain falls for 149.1 days and collects up to 546mm (21.5") of precipitation.Daylight
The average length of the day in January in Holroyd is 14h and 7min.On the first day of January, sunrise is at 5:48 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.
Sunshine
In January, the average sunshine 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. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 6 in January transforms into the following instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are the warmest months in Holroyd?
Is it hot in Holroyd during January?
What is the average humidity in January in Holroyd?
How many days does it rain in January in Holroyd?
How many hours of daylight does Holroyd have in January?
What time are sunrise and sunset in January in Holroyd?
How long on average sun shines in January in Holroyd?
When is the highest UV index in Holroyd?
How high is the UV index in January in Holroyd?
Average temperature in January
Holroyd, Australia
- Average high temperature in January: 29.2°C
The warmest month (with the highest average high temperature) is January (29.2°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 (8.1°C).
Average pressure in January
Holroyd, 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
Holroyd, Australia
- Average wind speed in January: 10.1km/h
The windiest month (with the highest average wind speed) is December (10.2km/h).
The calmest month (with the lowest average wind speed) is April (8.8km/h).
Average humidity in January
Holroyd, Australia
- Average humidity in January: 71%
The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is September (65%).
Average rainfall in January
Holroyd, Australia
- Average rainfall in January: 59mm
The wettest month (with the highest rainfall) is February (87mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days in January
Holroyd, Australia
- Average rainfall days in January: 15.9 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (7.9 days).
Average daylight in January /
Average sunshine in January
Holroyd, 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 months with the most sunshine are November and December (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in January
Holroyd, Australia
- Average sunshine days in January: 11.6 days
The month with the most sunshine days is August (21 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in January
Holroyd, 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
Holroyd, Australia
- Average cloud cover in January: 43
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
Holroyd, 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).
Holroyd, Australia
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