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Williamtown Climate

Williamtown Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
28.1 27.6 26.2 23.7 20.3 17.7 17.1 18.7 21.4 23.7 25.5 27.2 23.1
Mean Min (°C)
18.0 18.1 16.3 13.2 10.0 7.9 6.4 6.8 9.1 11.9 14.4 16.5 12.4
Mean Rain (mm)
97.5 117.7 123.2 112.2 115.9 129.6 71.5 69.8 62.1 74.9 86.4 81.0 1141.3
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
11.7 11.9 12.9 12.3 13.7 13.8 10.8 10.5 9.7 11.5 11.6 11.1 129.6

Williamtown Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
44.8 42.9 40.7 37.0 29.6 26.6 27.8 30.5 36.4 39.4 43.2 42.8 44.8
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 15.6 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)
153.0 276.0 157.6 129.0 95.0 147.0 86.8 100.8 122.9 106.0 166.8 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 19.0 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 RAAF

Mean daily minimum temp
Mean daily maximum temp
Highest/lowest on record
Highest/lowest on record
Mean monthly rainfall

Williamtown Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
0.5 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.3 1.1
≥ 35.0°C
2.9 1.5 0.5 0.0 0.0 0.0 0.0 0.0 0.1 0.4 1.6 2.3 9.2
≥ 30.0°C
8.9 6.9 4.6 0.8 0.0 0.0 0.0 0.1 1.0 3.2 5.3 8.0 38.0
≤ 2.0°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
≤ 0.0°C
0.0 0.0 0.0 0.0 0.0 0.0 0.5 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
64 64 64 64 64 64 64 65 65 66 66 66 64.6
Earliest Entry
1951 1951 1951 1951 1951 1951 1951 1950 1942 1942 1942 1942 1942
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Maxima
64 64 64 64 64 64 64 65 65 66 66 66 64.6
Earliest Entry
1951 1951 1951 1951 1951 1951 1951 1950 1942 1942 1942 1942 1942
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Rainfall
60 60 62 63 62 60 60 61 61 63 61 63 61.5
Earliest Entry
1944 1944 1943 1943 1943 1943 1943 1943 1942 1942 1942 1942 1942
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014

Station Details

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

Weather News

Wet weather sees water allocations increase but waterlogging also on the rise

18:18 EST

South Australian River Murray irrigators have seen their second water allocation increase within a month.

Cut-off low on the cards for east coast

17:39 EST

Southeastern Australia is in for a wooly few days next week as forecast models begin to jump on the cut-off low bandwagon.

Tasmania weather: Hydro report finds cloud seeding had no effect on Derwent Valley flooding

17:29 EST

A report by Hydro Tasmania has found a cloud seeding operation carried out in June did not increase rainfall in the hours before major flooding.