A typical December from my records;

  • An average temperature of 15.6C.
    • Maximum temperature expected about 31C.
    • Minimum temperature expected about 5C.
    • Twenty nine days are expected to reach or exceed 15C.
    • Eighteen Days are expected to reach or exceed 20C.
    • Seven days are expected to reach or exceed 25C.
    • One day is expected to reach or exceed 30C.
  • Wind run would be around 5830km with the windiest day expected to have a wind run of 340km.
    • Maximum wind gust would be in the region of 55km/h.
  • There would be rain on 10 days with the monthly total of around 60mm.
    • Rain totals for the month and year along with temperature and wind comparisons can be found here.

December Daily Observations
TemperatureWindRainfallBarometer
DateMinMaxMeanMean
(Km/h)
Gust
(Km/h)
Run (km)Prevailing Dir10 Minute Max (mm)Total (mm)Min (hPa)Max (hPa)Change (hPa)
1 15.5 23.9 19.2 9.5 28 216 East Nth East 0 0 1023.7 1027.7 -4.0  
Clear and sunny with NE winds.
2 11.2 33.4 22.2 3.3 26 76 East Nth East 0 0 1015.3 1024.0 -8.7  
Sunny and warm with light wind tending NE.
3 14.5 30.1 20.8 5.2 24 117 South Sth West 0 0 1015.0 1017.2 +2.2  
Sunny and warm with light winds tending southerly. Wind turning cooler NE from mid afternoon with increasing thin high cloud.
4 13.8 28.2 20.3 5.5 30 126 East Nth East 0 0 1011.6 1017.1 -5.5  
Some high cloud but mostly sunny and warm with NE winds.
5 12.5 32.4 21.9 5.0 29 113 West 0 0 1010.2 1019.9 +9.7  
Very warm and sunny with light winds tending westerly
6 12.3 22.9 17.8 7.5 34 171 East Nth East 0 0 1018.8 1020.2 -1.4  
Variable cloud with a mostly sunny afternoon, NE winds.
7 16.1 21.5 18.2 11.9 44 273 East Nth East 0 0 1013.7 1019.8 -6.1  
Some drizzle patches. Morning cloud breaking to a mostly sunny afternoon with fresh NE winds.
8 15.0 35.6 23.7 5.5 30 124 East Nth East 0 0 1011.1 1013.7 -2.6  
Clear, Sunny and hot with light winds in the morning turning slightly cooler NE in the afternoon.
9 16.2 33.3 24.4 4.9 35 111 North Nth East 0 0 1007.3 1012.9 -5.6  
Variable cloud with sunny intervals, hot with north to nor'west winds.
10 15.5 32.2 24.1 7.5 34 169 North Nth East 0 0 1005.1 1010.5 +5.4  
Variable high cloud, Warm northerly winds turning cooler westerly later in the afternoon.
11 11.2 30.0 20.7 4.4 34 99 East Nth East 0 0 1004.9 1010.1 -5.2  
Sunny and warm with some high cloud and NE winds.
12 13.7 19.6 15.6 8.0 28 182 East Nth East 0.5 1.0 1005.7 1010.6 +4.9  
Light showers from late morning clearing mid afternoon but remaining overcast. First recorded rainfall since the 8th November.
13 11.2 20.3 14.4 5.2 32 118 East 0.5 6.5 1007.3 1014.5 +7.2
Cloud increasing with NE winds from mid morning. Rain starting in the afternoon with showers later in the seeming.
14 8.2 20.0 14.6 7.8 39 177 East Nth East 0 0 1013.7 1017.7 -3.7
Few light showers in the morning. Cloud breaking in the afternoon with NE winds freshening.
15 14.4 25.4 19.8 7.7 30 176 East Nth East 0 0 1009.2 1015.1 -5.9  
Variable cloud increasing in the afternoon with a few spots of rain, NE winds.
16 14.5 28.4 19.7 9.3 33 212 East Nth East 0 0 1014.1 1018.4 +4.3  
Some morning high cloud, sunny and warm with light southerly winds turning NE from early afternoon.
17 16.9 28.6 22.0 8.0 31 182 East Nth East 0 0 1004.9 1014.1 -9.2  
Sunny and warm morning. Cloud increasing in the afternoon. NE winds turning southerly in the evening.
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