Perth Weather in December

Perth in December sees high daytime temperatures of 30°C (86°F) and nighttime lows of 17°C (63°F). With just 12 mm (0.5 in) of rainfall on average, it's the driest month of the year.

Rainfall in Perth in December

With the least rainfall of the year, this month offers good conditions for outdoor exploration. Take advantage of the dry weather to plan your activities. Typically, about 4 days will experience rainfall, with an average of 12 mm (0.5 in) for the month. The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.

Temperature in Perth in December

December is a excellent month in Perth, with 30°C (86°F) during the day and 17°C (63°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 17°C (63°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Perth in December

The city usually sees around 354 hours of sunlight, indicating many sunny days , a great month for sightseeing.

Wind Speed in Perth in December

Wind speeds average 7 m/s (14 knots) during December. At this speed, you experience strong wind that can make entire trees sway and create resistance when walking. Since this is an average, expect variation from moderate windy periods to particularly gusty days when umbrellas become difficult to control.

Average water temperature in December

With water at 19°C (66°F), swimming is comfortable for most people. It feels refreshing rather than cold, though it depends a bit on personal preference.

Should you favor a climate that's both dry and comfortably warm, April, May, September, October and November typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.