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Rottnest Island Weather

Rottnest Island Almanac

Commenced 31/12/1983


Minimum Temperature

Lowest this month:15/09/20188.3°C
Lowest on record:04/09/19996.7°C
Average this month:12.1°C
Long term average:12.9°C

Maximum Temperature

Highest this month:20/09/201821.0°C
Highest on record:20/09/201430.8°C
Average this month:17.8°C
Long term average:18.8°C


Total this month:16.2mm
Wettest this month:06/09/20184.8mm
Wettest on record:(2013)107.0mm

Year To Date: 2018

Lowest temperature:10/08/20186.8°C
Highest temperature:14/01/201835.9°C
Total rainfall:89.0 days564.4mm
Total to this time last year:89.0 days443.4mm
Wettest day:16/01/2018142.2mm

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