Perth Weather in January

Average Temperatures in Perth in January

January is the hottest month of the year in Perth, with average highs of 30 °C (86 °F) and lows of around 19 °C (66°F). While temperatures can sometimes soar to 35 °C (95 °F), the summer heat is usually tempered by the afternoon sea breeze known among locals as the Fremantle Doctor.

Average Sea Temperatures in Perth in January

The average sea temperature in Perth in January is 22 °C (72°F), which is comfortable for swimming and enjoying water sports. Some of the best beaches to visit in January are Cottesloe Beach, Leighton Beach, Mettams Pool, and Bathers Beach.

Average Sunshine Hours per Day in Perth in January

January is the time of the year with the most sunny days, when you can expect 9.4 hours of sunshine per day. This month, Perth has around 14 hours of daylight, with sunrise between 5:13 am and 5:40 am and sunset between 7:25 pm and 7:19 pm.

UV levels in Perth in January

In January, the maximum daily UV index in Perth is 12, indicating an extreme health threat from unsafe exposure to the sun. 

When visiting Perth in summer, it is essential to regularly check UV index levels in local weather forecasts, avoid sun exposure for longer periods of time, and wear a high-SPF sunscreen, wide-brim hat, and sunglasses.

Average Rainfall in Perth in January

On an average January day, there's a 6% chance of rain. Perth is moderately humid at this time of year, with a relative humidity of around 69%. You can expect 5 rainy days if you visit this month.

Best Things to Do in Perth in January

There’s no shortage of fun events in festivals in Perth in January, with a wide range of fun family activities. Keep in mind, however, that the summer is the peak season that coincides with the Australian school holidays, bringing about crowds and higher accommodation prices. 

Australia Day

Australia Day (26 January) is the official national holiday celebrated with official ceremonies and fireworks, as well as a popular family-friendly triathlon and the annual Birak Concert celebrating Aboriginal and Torres Strait Island cultures.

Fringe World Festival

The Fringe World Festival is the largest annual event in Western Australia. Local and international performing artists and musicians gather to perform in over a hundred different venues across the city. 

Falls Festival Fremantle

Falls Music & Arts Festival is a multi-day music festival held annually in Perth’s Old Town and other locations across the country over the New Year's Eve and January period. The festival hosts everything from contemporary music performances to dance, comedy, theatre, circus, and cabaret.

Recommended Itineraries for Perth in January

Need more inspiration on visiting Perth in January? First Light Travel’s Blog is a great place to start. 

You may also want to check out our Western Australia Itineraries and Packages with tours exploring spectacular destinations such as the Margaret River wine region and Ningaloo Reef Marine Park. 

And if you are looking for a holiday customised to your needs, feel free to contact our Australia travel specialists who will help you create a perfect summer trip to Western Australia.