Perth Weather in December: Temperature, Rainfall & What to Pack

📒 Perth Climate & Weather Overview

Located on the stunning southwestern coast of Australia, Perth enjoys a Mediterranean climate that is a world away from the tropical humidity many travellers from Southeast Asia are used to. This means the city experiences hot, dry summers and mild, wet winters, offering distinct seasons for visitors to enjoy. 

For those accustomed to Singapore's year-round warmth and humidity, the Perth climate offers a refreshing change, especially with its sun-drenched days and lack of sticky air.

The average temperatures in Perth fluctuate significantly throughout the year, so knowing what to expect can make all the difference. While the heat in summer can be intense, it's a dry heat, often cooled by a famous afternoon sea breeze, making it feel more comfortable than a humid day back home.

Current & Next 7 Days Temperature in Perth

Seasons in Perth

• Summer (December to February): Expect hot, dry, and sunny conditions. This is classic Australian beach weather, with long days perfect for outdoor activities.
• Autumn (March to May): Days are warm and pleasant with cooler evenings. Many locals consider this the best time to visit Perth for comfortable sightseeing and wine tasting.
• Winter (June to August): The weather turns mild and rainy. It’s a great time for cosy meals and exploring indoor attractions, but you’ll need a jacket and umbrella.
• Spring (September to November): The city comes alive with colour as wildflowers bloom. Temperatures are warm and comfortable, ideal for hiking and exploring the city’s many parks.

☀️ Perth Weather in December: Hot, Dry, and Sunny

For Singaporeans looking to trade the year-end monsoon season for endless sunshine, Perth in December is an ideal escape. As the official start of summer, December ushers in long, sun-filled days and a wonderfully dry heat. The Perth weather in December is characterised by high temperatures, minimal rainfall, and low humidity, creating the perfect environment for an outdoor holiday.

This is the month for travellers who love the sun. Whether it's families wanting to hit the beach for Christmas, couples exploring the Swan Valley wineries, or friends heading to Rottnest Island to meet the quokkas, the weather is almost always on your side. The long daylight hours mean you can pack more into your day, from an early morning coffee in Fremantle to a late sunset picnic at Kings Park.

🧳 What to Pack for a Trip to Perth in December

Packing for Perth in summer is all about staying cool, comfortable, and protected from the sun. The dry heat and strong UV rays require a different approach than packing for a trip within Southeast Asia.

Clothing Essentials:

• Lightweight fabrics: Cotton T-shirts, linen shorts, and sundresses are perfect for daytime.
• Swimwear: A must-have for the beautiful beaches and hotel pools.
• A light jacket or cardigan: Evenings can get surprisingly cool once the sun goes down, especially with the sea breeze.
• Comfortable footwear: A pair of sandals or flip-flops for the beach and comfortable walking shoes for exploring.

Weather Gear:

• High-SPF sunscreen: The Australian sun is very strong; SPF 50+ is recommended.
• Wide-brimmed hat: Essential for protecting your face and neck during sightseeing.
• Sunglasses: A good quality pair is crucial for eye protection.

Travel Accessories:

• Reusable water bottle: Staying hydrated in the dry heat is extremely important.
• Daypack: Ideal for carrying your essentials on day trips to the beach or Rottnest Island.
• Power bank: To keep your devices charged while you’re out capturing memories.
• Moisturiser and lip balm: The dry air can be harsh on skin that is used to humidity.

Pro Packing Tips:

• Pack a light long-sleeved shirt. It’s useful not only for sun protection but also for the powerful air conditioning in shopping centres and restaurants.
• The famous afternoon sea breeze, known as the "Fremantle Doctor," brings welcome relief but can also make it feel cooler, so that light jacket will come in handy.
• Consider packing insect repellent if you plan to be near the Swan River or in parks during the evening.

Flying with hand luggage? Check out our guide on carry-on baggage restrictions to know what you can bring on board!

Looking for a sunny December getaway with less humidity—shall we make it Perth this December? Book your flight to Perth and experience the city like a local—dive into summer beaches, long daylight, and festive outdoor markets all month.

✈️ Planning Your December Trip to Perth

Perth in December offers a sun-soaked holiday perfect for beach lovers and outdoor enthusiasts. While summer is a fantastic time to experience the city's vibrant coastal lifestyle, the best time to visit Perth for milder weather and fewer crowds is during the shoulder seasons of spring and autumn.

Must-Know Tips

• Weather Preparedness: Always check the daily UV index before heading out. Plan strenuous activities like long hikes for the early morning or late afternoon to avoid the peak heat.
• Safety Considerations: Embrace the Australian mantra of "slip, slop, slap"—slip on a shirt, slop on sunscreen, and slap on a hat. If you plan to travel outside the city, be aware of bushfire warnings during the dry season.
• Practical Planning Tips: December is a peak travel month due to Australian school holidays and Christmas. It is essential to book accommodations and flights to Perth well in advance to secure better rates. Hiring a car is highly recommended for exploring the wider region at your own pace.

To plan your trip perfectly, explore our Best Time to Visit Perth and Perth Weather in June guides for seasonal highlights, and find practical tips on Australia visa requirements and how to fill the Australia arrival card.

Whether you’re after budget-friendly airfares or the best places to stay, don’t miss our weekly-updated promos and deals page for the latest offers. Having a promo code but don't know how to use it? Check out our guide on How to Use Trip.com Promo Codes!