Weather in Perth in December 2024
Average weather
Average temperature in Perth in December
Going from a maximum of +99°F during the day to a minimum of +55°F during the night, the temperature in December averages around +84°F.
The average maximum temperature goes up 13% by the end of the month, compared with the beginning of the month, from +73°F to +79°F.
Is Perth warm or cold in December?
Perth is typically warm in December.
Maximum temperatures go up compared to the previous month from +77°F to +82°F. The minimum temperature also goes up from +59°F to +63°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how December is compared to other months in Perth:
Climate in Perth in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +77°F | +82°F | +86°F | ||||
| Min. temperature | ||||||
| +43°F | +43°F | +48°F | ||||
| Max. temperature | ||||||
| +104°F | +108°F | +109°F | ||||
| Rainfall | ||||||
| 21 mm | 10 mm | 16 mm | ||||
| Wind | ||||||
| 4 m/s | 5 m/s | 5 m/s | ||||
| Humidity | ||||||
| 59% | 55% | 52% | ||||
| Air pressure | ||||||
| 1013 HPa | 1011 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 15 | 21 | 23 | ||||
| Cloudy days | ||||||
| 13 | 9 | 7 | ||||
| Rainy days | ||||||
| 2 | 1 | 1 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December weather is still as great as in November. It’s getting warmer as December arrives. The average maximum temperature goes up from +77°F to +82°F during the day. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 21 mm to 10 mm. It feels drier, as humidity decreases from 59% to 55%. Winds are stronger in comparison to November, going up from 4 m/s to 5 m/s on average. The good news is there are likely to be more sunny days in December, from 15 to 21.
January brings much the same weather, it remains great.
Wind
The average wind speed is 6 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Perth is gradually increasing during December, going from 5 m/s to 6 m/s over the course of the month.
Rain
How was the weather last December in Perth?
Climate Change Over the Years
The climate in Perth in December has not changed that much over the last 43 years.
The average temperature was the lowest in 2005 (+78°F) and the highest in 2019 (+95°F). The driest year was 1994 with only 0 mm of rainfall, and the wettest year was 2011 with 104 mm.
FAQ
Is December a good time to visit Perth?
Can you sunbathe in Perth in December?
Is Perth rainy in December?
Is it sunny in Perth in December?
Other cities in Australia
Monthly weather in Perth
Source of the data
For this page, we’ve looked at the typical weather in Perth, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.