Booking 17 days in advance of your planned departure date is, on average, the best time to get the best price for Economy class flights from London Heathrow Airport to Perth.
For Economy class flights, the cheapest month to fly this route is May. The most expensive months are December and July.
In terms of precipitation, rainfall in Perth ranges from 0.0 - 170.0 inches per month. June is typically the wettest month, when rainfall can reach 170.0 mm. January is typically the driest time to visit Perth when rainfall is around 0.0 mm.
If weather is an important factor for your trip to Perth, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 12.0 C).
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