Geelong Weather Highlights 2018

by  on  in 2018, Articles

A few visual highlights …

Kelvin-Helmholtz clouds over southern Geelong, 17th Sept.
Cold front shelf cloud crosses Marshall, 6th Sept.
Sundog over western Geelong, 17th December.
Cirrus cloud over southern Geelong, 18th October.

Cloud-covered southern Geelong, 13th December.

Geelong’s Weather Highlights for 2018

PLEASE ACKNOWLEDGE GEELONG WEATHER SERVICES.

:

Key Points – Below average rainfall, warmer than average.

  1. Mean annual temp = 15.5°C. (0.8° above average).
  • Driest month was February (5 mm). 
  • Total annual rainfall was  423 mm.  (Long term average = 518 mm).
  • Hottest day: 41.7° on 6th Jan.

 Warmest night: 25.1° on 29th Jan.

             Coldest day: 8.9° on 28th June.

             Coldest night: 0.2° deg on 2nd July.

  • Wettest month: June: 57.8 mm.
  • Number of days above 30° C:  27 (average is 21).
  • Number of Thunder Days: 21  (average is 15).
  • Number of severe storms: 2  (average is 3).
  • Strongest wind gust: 122 km/h at Point Wilson on 17th July.
  • Number of windy days where gusts exceeded 60kph: 28. (20 in 2017)
  • Windiest month: July (6 days with gusts >60 km/h).
  • Calmest months: January and October (0 gusts >60 kph).
  • Other interesting features:
  • Barwon Water catchments fluctuated between 49% and 66% during the year.
  • 10 frosts (when air temps <2 degrees C). Average is 15.
  • Kelvin-Helmholtz cirrus clouds photographed on Sept 17.
    • Twin sundogs photographed on Dec 17.

* All temperature and rainfall figures derived from sources at Breakwater AWS,  Bureau of Meteorology and GWS.

© Geelong Weather Services, 2018 �