Perth Weather in January

With daytime temperatures of 32°C (90°F) and nighttime lows of 19°C (66°F), January in Perth brings very high temperatures during the day. The excellent weather makes it an appealing time to visit.

Rainfall in Perth in January

Looking at the last 30 years, the data shows about 3 days with rain, averaging 20 mm (0.8 in) for the month. The occasional light shower is possible, but rain is rarely an issue this month.

Temperature in Perth in January

January is a good time to be in Perth. Days are excellent, reaching 32°C (90°F), with nights around 19°C (66°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights cool down to 19°C (66°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

While these temperatures are typical, some days might be even hotter. Always be prepared for the unexpected spikes in warmth. Dressing in lightweight and breathable outfits will help you stay cool. Don't forget to stay hydrated and wear sun protection to handle the heat better.

Sunshine in Perth in January

Enjoy a sunny month with about 355 hours of sunshine, the clear skies make Perth even more beautiful.

Wind Speed in Perth in January

Wind speeds average 7 m/s (14 knots) during January. 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 January

At 20°C (68°F), the water is pleasant for swimming. Most people find this range ideal, cool enough to be refreshing, warm enough to stay in comfortably.

If you prefer enjoying temperate temperatures and rain-free days, April, May, September, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.