The biggest temperature swing occurs between March and April, with a change of 4°C.
| Month | Low Temperature | High Temperature | Category |
|---|---|---|---|
| January | | | hot |
| February | | | hot |
| March | | | warm |
| April | | | warm |
| May | | | mild |
| June | | | mild |
| July | | | mild |
| August | | | mild |
| September | | | mild |
| October | | | mild |
| November | | | warm |
| December | | | warm |
Daylight varies from 10.1 hours in June (winter) to 14.2 hours in December (summer), which is a difference of 4.1 hours.
Southern Hemisphere seasons shape the weather patterns throughout the year. Here's what to expect in each season:
Click any month for detailed weather information and packing advice.
Get personalized month rankings based on weather comfort, outdoor activity suitability, and seasonal conditions.
View Best Time to VisitThe best months to visit Perth depend on your preferences. For warm weather, February is typically the warmest month. For dry conditions, December, February, January tend to have the least rainfall. Consider your priorities—whether you prefer warmer temperatures, drier weather, or longer daylight hours.
February is typically the warmest month in Perth, with average high temperatures reaching around 31°C (88°F). This is peak summer weather, ideal for outdoor activities and sightseeing.
August is usually the coldest month, with average low temperatures dropping to around 10°C (50°F). Pack warm layers if visiting during this time, especially for evening activities.
July typically sees the most rainfall in Perth, averaging around 109mm (4.3 inches). It's wise to pack waterproof layers and have some indoor backup plans if you're visiting during this month.
December is typically the driest month, with average rainfall of just 10mm (0.4 inches). This makes it an excellent time for outdoor exploration and activities with minimal risk of rain disruption.
Temperatures in Perth range from average lows of 14°C (57°F) to highs of 24°C (75°F). This variation means you'll want to pack differently depending on when you visit—layers are key for adapting to the seasonal changes.
Yes, sun protection is important in Perth. UV levels can reach 10 during peak months, which is considered very high. Pack sunscreen (SPF 30+), sunglasses, and a hat, especially if you'll be outdoors for extended periods.