Hornsby Weather and Climate: A Comprehensive Guide
Temperatures in Hornsby experience a moderate degree of variance through the seasons.
Days can be warm, while the cooler months tend
to be pleasant.
It receives a reasonable amount of rainfall.
Now, let’s break down all the climate details for a clearer picture.
Average maximum day and minimum night temperature
In Hornsby, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a comfortable 28°C in January. In July, the coolest month of the year, temperatures drop to a pleasant 18°C.
At night, you can expect cooler temperatures, with averages dropping to around 8°C during this month.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Generally, Hornsby receives mid-range precipitation levels, with 811 mm annually. Hornsby can be quite wet during February, receiving approximately 106 mm of precipitation over 12 rainy days.
In contrast July, experiences much drier conditions, with 46 mm of rainfall, spread across 8 rainy days. For more details, please visit our Hornsby Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Hornsby experiences moderate variation in sunshine hours across the seasons. With 8.6 hours daily sunshine in December, it dips to 6.0 hours in May, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is moderate throughout the year in Hornsby.
The city experiences its highest humidity in February, reaching 62%. In August, the humidity drops to its lowest level at 48%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Hornsby
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Hornsby in Australia
During the months of March, April, May, September, October and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
January has an average maximum temperature of 28°C and is the warmest month of the year.
The coldest month is July with an average maximum temperature of 18°C.
February tops the wettest month list with 106 mm of rainfall.
August is the driest month with 46 mm of precipitation.
December is the sunniest month with an average of 257 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
