Upper Swan Weather and Climate: A Comprehensive Guide
Upper Swan experiences great temperature shifts.
The city's weather can transition from very warm days
to pleasant weather.
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
The climate in Upper Swan is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a very warm 33°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 9°C during this month.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Generally, Upper Swan receives mid-range precipitation levels, with 514 mm annually. Upper Swan can be quite wet during July, receiving approximately 88 mm of precipitation over 15 rainy days.
In contrast December, experiences much drier conditions, with 12 mm of rainfall, spread across 4 rainy days. For more details, please visit our Upper Swan 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
Upper Swan can be enjoyed more throughout the sunniest month of January under a blue sky, with approximately 11.8 hours of sunshine daily. In contrast, the city experiences much darker days in June, with only 5.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Average water temperature
The mean water temperature over the year ranges from 17°C in August to 21°C in March.
Water temperature over the year
Average humidity
The relative humidity is moderate throughout the year in Upper Swan.
The city experiences its highest humidity in July, reaching 57%. In February, the humidity drops to its lowest level at 38%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Average wind speed
The mean wind speed varies between 5 m/s and 7 m/s throughout the year. It is lowest in May, June and July and highest during January, February, October, November and December.
The mean monthly wind speed over the year (meters per second)
Forecast for Upper Swan
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Upper Swan in Australia
During the months of May, September and October 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:
Yes, the months of February and December are very dry.
January has an average maximum temperature of 33°C and is the warmest month of the year.
The coldest month is July with an average maximum temperature of 18°C.
July tops the wettest month list with 88 mm of rainfall.
December is the driest month with 12 mm of precipitation.
January is the sunniest month with an average of 355 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.
