layÂ·oÂ·ver. (lÄâ²Åâ²vÉr) n. A short stop or break in a journey, usually imposed by scheduling requirements, as of airline flights. layover. (ËleÉªËÉÊvÉ) n. US a break in a journey, esp while waiting for a connection.
Perth: Annual Weather Averages. January is the hottest month in Perth with an average temperature of 25Â°C (76Â°F) and the coldest is July at 13Â°C (55Â°F) with the most daily sunshine hours at 13 in January. The wettest month is June with an average of 140mm of rain.anuary is the hottest month in Perth with an average temperature of 25Â°C (76Â°F) and the coldest is July at 13Â°C (55Â°F) with the most daily sunshine hours at 13 in January. The wettest month is June with an average of 140mm of rain.
1 Afternoons can be very hot with average high temperatures reaching 28.3 Â°C (82.9 Â°F). 2  Overnight temperatures are generally warm with an average low of 20.5 Â°C (68.9 Â°F). 3  The variation/ range of daily mean temperatures in September is 7.8 Â°C (14 Â°F).  The weather in September is arid with scarcely any rain.