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
January
Weather in January
Temperature
January, characterized by an average high temperature of 28.2°C (82.8°F) and a low temperature of 19.3°C (66.7°F), is generally the warmest month.Heat index
January's heat index is calculated to be a tropical 31°C (87.8°F). With extended exposure and activity, one might feel exhausted and experience heat cramps.Bear in mind that the heat index values are determined for shaded areas and light breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
The average relative humidity in January is 72%.Rainfall
In Hornsby, in January, it is raining for 16.3 days, with typically 58mm (2.28") of accumulated precipitation. In Hornsby, during the entire year, the rain falls for 151.2 days and collects up to 570mm (22.44") of precipitation.Daylight
The average length of the day in January is 14h and 6min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:09 pm. On the last day of January, sunrise is at 6:15 am and sunset at 8:02 pm AEDT.
Sunshine
In Hornsby, the average sunshine in January is 8.4h.UV index
The months with the highest UV index are January, February, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 6 during January morphs into the following directions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. 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 excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in Hornsby?
How hot is January in Hornsby?
What is the average humidity in January in Hornsby?
How many days does it rain in January in Hornsby?
What is the average length of the day in January in Hornsby?
What time are sunrise and sunset in January in Hornsby?
How many hours of sunshine does Hornsby have in January?
When is the highest UV index in Hornsby?
What is the UV index intensity in January in Hornsby?
Average temperature in January
Hornsby, Australia
- Average high temperature in January: 28.2°C
The warmest month (with the highest average high temperature) is January (28.2°C).
The month with the lowest average high temperature is July (16.7°C).
- Average low temperature in January: 19.3°C
The month with the highest average low temperature is January (19.3°C).
The coldest month (with the lowest average low temperature) is July (8.9°C).
Average pressure in January
Hornsby, 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
Hornsby, Australia
- Average wind speed in January: 12.1km/h
The windiest months (with the highest average wind speed) are January, August, September and December (12.1km/h).
The calmest month (with the lowest average wind speed) is April (10.6km/h).
Average humidity in January
Hornsby, Australia
- Average humidity in January: 72%
The month with the highest relative humidity is June (75%).
The months with the lowest relative humidity are August and September (66%).
Average rainfall in January
Hornsby, Australia
- Average rainfall in January: 58mm
The wettest month (with the highest rainfall) is February (89mm).
The driest months (with the least rainfall) are July and September (30mm).
Average rainfall days in January
Hornsby, Australia
- Average rainfall days in January: 16.3 days
The month with the highest number of rainy days is January (16.3 days).
The month with the least rainy days is May (8.5 days).
Average daylight in January /
Average sunshine in January
Hornsby, Australia
- Average daylight in January: 14h and 1min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in January: 8h and 2min
The month with the most sunshine is November (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in January
Hornsby, Australia
- Average sunshine days in January: 12.3 days
The month with the most sunshine days is August (19.8 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in January
Hornsby, 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
Hornsby, Australia
- Average cloud cover in January: 41
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in January
Hornsby, Australia
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, November and December (9km).
