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Wind Seasonal Summary (km/h)

Note: Data is updated after midnight each day.
Southern Hemisphere Meterological Seasons
Summer: December, January, February
Autumn: March, April, May
Winter: June, July, August
Spring: September, October, November

 Daily DetailMonthly SummarySeasonal Summary 
Maximum Wind Speed (kmh)
DateSummerAutumnWinterSpringYear
Dec 2013 / Nov 201452.6173.0173.0*---173.0*
Dec 2012 / Nov 201357.670.955.183.283.2
Dec 2011 / Nov 201250.042.851.576.076.0
Dec 2010 / Nov 2011107.056.258.755.1107.0
Dec 2009 / Nov 201042.8*42.842.846.446.4*
Max107.0 173.0 173.0 83.2 173.0
 
Average Maximum Wind Speed (kmh)
DateSummerAutumnWinterSpringYear
Dec 2013 / Nov 201431.1 1.2 more than the Summer average.26.6 0.6 more than the Autumn average.22.4* 2.4 less than the Winter average.---27.3*0.1 less than the yearly average.
Dec 2012 / Nov 201333.2 3.3 more than the Summer average.27.0 1 more than the Autumn average.26.0 1.2 more than the Winter average.32.5 3.2 more than the Spring average.29.62.2 more than the yearly average.
Dec 2011 / Nov 201225.9 4 less than the Summer average.24.7 1.3 less than the Autumn average.22.9 1.9 less than the Winter average.31.0 1.7 more than the Spring average.26.11.3 less than the yearly average.
Dec 2010 / Nov 201129.4 0.5 less than the Summer average.22.2 3.8 less than the Autumn average.23.5 1.3 less than the Winter average.25.2 4.1 less than the Spring average.25.02.4 less than the yearly average.
Dec 2009 / Nov 201029.8* 0.1 less than the Summer average.29.3 3.3 more than the Autumn average.28.2 3.4 more than the Winter average.28.4 0.9 less than the Spring average.28.8*1.4 more than the yearly average.
Avg29.9 26.0 24.8 29.3 27.4
 
Average Wind Speed (kmh)
DateSummerAutumnWinterSpringYear
Dec 2013 / Nov 20144.1 0.1 more than the Summer average.2.7 0.2 less than the Autumn average.2.0* 0.7 less than the Winter average.---3.0*0.3 less than the yearly average.
Dec 2012 / Nov 20134.1 0.1 more than the Summer average.2.8 0.1 less than the Autumn average.2.5 0.2 less than the Winter average.3.8 0.4 more than the Spring average.3.3 
Dec 2011 / Nov 20123.9 0.1 less than the Summer average.2.6 0.3 less than the Autumn average.2.1 0.6 less than the Winter average.3.5 0.1 more than the Spring average.3.00.3 less than the yearly average.
Dec 2010 / Nov 20114.2 0.2 more than the Summer average.2.8 0.1 less than the Autumn average.2.8 0.1 more than the Winter average.3.3 0.1 less than the Spring average.3.20.1 less than the yearly average.
Dec 2009 / Nov 20104.0*  3.9 1 more than the Autumn average.3.7 1 more than the Winter average.3.2 0.2 less than the Spring average.3.7*0.4 more than the yearly average.
Avg4.0 2.9 2.7 3.4 3.3
* denotes incomplete data for the month/year.

WIND COLOR CODING CHART
Beaufort number Description Wind speed
mph km/h kts m/s
0Calm< 1< 1< 1< 0.3
1Light air1 31.1 5.51 20.3 1.5
2Light breeze4 7 5.6 113 61.6 3.4
3Gentle breeze8 1212 197 103.4 5.4
4Moderate breeze 13 1720 2811 155.5 7.9
5Fresh breeze 18 2429 3816 208.0 10.7
6Strong breeze25 3039 4921 2610.8 13.8
7High wind, Moderate gale, Near gale31 3850 6127 3313.9 17.1
8Gale, Fresh gale39 4662 7434 4017.2 20.7
9Strong gale47 5475 8841 4720.8 24.4
10Storm, Whole gale55 6389 10248 5524.5 28.4
11Violent storm64 72103 - 10756 6328.5 32.6
12Hurricane force > 73> 118> 64> 32.7

Script Developed by Murry Conarroe of Wildwood Weather.