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Home › Climate › Williamtown Climate

Williamtown Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
 28.0 27.6 26.2 23.6 20.3 17.7 17.0 18.6 21.3 23.6 25.5 27.2 23.0
Mean Min (°C)
 18.0 18.1 16.3 13.2 10.1 7.9 6.4 6.8 9.1 12.0 14.4 16.5 12.4
Mean Rain (mm)
 96.7 113.7 119.9 109.1 117.0 129.7 71.4 69.0 62.6 76.5 84.0 81.4 1131.5
Median Rain (mm)
 74.5 91.3 114.2 85.3 99.2 103.3 55.2 50.0 49.8 56.0 81.8 61.4 1072.2
Mean Rain Days
 11.8 11.9 13.0 12.1 13.8 13.7 10.7 10.6 9.8 11.8 11.8 11.1 128.6

Williamtown Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
 44.4 42.9 40.7 37.0 29.6 26.6 27.8 30.1 36.0 39.4 43.2 42.8 44.4
Low Max (°C)
 18.1 19.1 18.1 15.2 11.8 10.7 9.2 10.4 10.9 14.4 14.1 17.4 9.2
High Min (°C)
 25.7 26.9 23.5 21.7 18.9 16.3 15.2 15.4 18.2 21.2 22.4 24.1 26.9
Low Min (°C)
 9.4 9.6 8.6 2.1 -0.6 -1.8 -3.9 -1.9 0.4 3.0 5.1 7.9 -3.9
High Rain (mm)
 153.0 276.0 148.8 129.0 95.0 147.0 86.8 100.8 122.9 106.0 100.0 99.4 276.0

Williamtown Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
 30.9 30.9 28.5 26.2 22.3 19.9 18.7 21.9 25.1 27.1 28.5 30.8 24.5
Low Mn. Max (°C)
 24.4 24.9 23.8 21.7 18.8 15.9 15.5 17.0 18.5 20.9 22.7 23.8 21.9
High Mn. Min (°C)
 19.8 20.2 19.2 16.3 12.9 12.2 9.0 9.4 11.6 14.4 16.8 18.8 13.6
Low Mn. Min (°C)
 16.1 16.0 14.0 11.0 6.9 5.6 2.5 4.5 7.2 10.2 11.9 14.8 11.2
High Rain (mm)
 327.3 599.6 398.5 361.2 410.2 414.2 190.4 212.2 179.2 237.5 241.4 238.0 1793.7
Low Rain (mm)
 2.2 5.6 2.2 4.4 5.0 14.6 0.0 0.0 0.4 1.0 6.8 14.2 541.0

Williamtown Annual Temperatures & Rainfall

Williamtown annual climate

Williamtown Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
 0.4 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.4 1.1
≥ 35°C
 2.9 1.6 0.5 0.0 0.0 0.0 0.0 0.0 0.1 0.3 1.5 2.3 9.0
≥ 30°C
 8.7 6.9 4.5 0.8 0.0 0.0 0.0 0.0 0.8 3.0 5.3 8.0 37.2
≤ 2°C
 0.0 0.0 0.0 0.0 0.1 0.5 2.0 1.3 0.1 0.0 0.0 0.0 3.8
≤ 0°C
 0.0 0.0 0.0 0.0 0.0 0.0 0.4 0.2 0.0 0.0 0.0 0.0 0.6

Williamtown 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
 33.3 32.0 30.0 26.8 22.8 19.9 19.4 21.5 25.7 28.6 31.0 32.6 28.7
Low Max
 23.5 23.6 23.0 20.7 17.7 15.4 14.8 15.8 17.2 18.9 20.6 22.4 17.3
High Min
 20.7 20.7 19.2 16.6 13.5 11.0 9.4 10.0 12.6 15.5 17.8 19.4 18.3
Low Min
 15.0 15.3 13.3 9.8 6.7 4.5 3.2 3.7 5.6 8.4 10.7 13.2 6.4

Williamtown Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
 62 62 62 62 61 61 61 62 63 63 63 63 62.0
Earliest Entry
 1951 1951 1951 1951 1951 1951 1951 1950 1942 1942 1942 1942 1942
Latest Entry
 2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012
Years of Maxima
 62 62 62 62 61 61 61 62 63 63 63 63 62.0
Earliest Entry
 1951 1951 1951 1951 1951 1951 1951 1950 1942 1942 1942 1942 1942
Latest Entry
 2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012
Years of Rainfall
 59 59 61 61 60 58 58 59 59 61 59 60 59.2
Earliest Entry
 1944 1944 1943 1943 1943 1943 1943 1943 1942 1942 1942 1942 1942
Latest Entry
 2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012

Station Details

WILLIAMTOWN RAAF
Hunter, New South Wales/ACT
32.7932°S 151.8359°E 9m AMSL
Commenced 1942

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