Perth in December
In December, Perth averages 29°C (83°F) during the day and 18°C (64°F) at night, with only about 4 rainy days.
Peak seasonConditions are warm and beach-friendly. Occasional showers are likely but won't dominate.
December is a great month to visit Perth: pleasant temperatures and relatively few wet days.
How December compares to the rest of the year in Perth
December is one of the warmest months in Perth (3rd of 12) and one of the driest months (12th of 12). Daytime temperature runs 5°C above the annual average (23°C). December runs 3°C warmer than November (25°C) and warms a further 2°C into January (30°C).
December sunrise & sunset in Perth
Times shown for Perth local time (Australia/Perth), calculated for the 15th of December. They shift by a few minutes day to day across the month.
Photography light in Perth — December
Golden-hour and blue-hour windows for the 15th of December, in Perth's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Perth in December
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on December's tier (Peak season) and Perth's popularity.
Crowds & pricing — December in Perth
Perth is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.
Why this tier: excellent tourism weather
Sun & mosquito risk — December in Perth
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Perth in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 30°C / 86°F | 19°C / 66°F | 23 mm | 4 | — |
| February | 30°C / 86°F | 19°C / 66°F | 24 mm | 5 | — |
| March | 28°C / 83°F | 18°C / 65°F | 39 mm | 8 | — |
| April | 24°C / 75°F | 15°C / 59°F | 39 mm | 10 | — |
| May | 21°C / 69°F | 12°C / 54°F | 78 mm | 12 | — |
| June | 18°C / 65°F | 11°C / 51°F | 102 mm | 15 | — |
| July | 17°C / 63°F | 10°C / 51°F | 112 mm | 20 | — |
| August | 18°C / 64°F | 10°C / 50°F | 96 mm | 17 | — |
| September | 19°C / 67°F | 11°C / 51°F | 46 mm | 15 | — |
| October | 22°C / 71°F | 13°C / 55°F | 38 mm | 12 | — |
| November | 25°C / 78°F | 15°C / 59°F | 18 mm | 8 | — |
| December | 29°C / 83°F | 18°C / 64°F | 8 mm | 4 | — |
Other cities with similar December weather
🌍 See the full ranked list of climate twins for Perth in December →
Frequently asked questions
How hot is Perth in December?
In December, Perth averages a high of 29°C (83°F) and a low of 18°C (64°F) — generally warm.
Does it rain a lot in Perth in December?
December is generally dry in Perth, with about 4 rainy days on average.
Is December a good time to visit Perth?
December is warm and mostly dry. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Perth in December?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full December packing list for Perth for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.