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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

Flood threat eases around Ardlethan and Ganmain

07:57 EST

The State Emergency Service (SES) says the risk of flooding around Ganmain and Ardlethan has lessened significantly overnight.

Weather bureau's outlook predicts wetter than average spring in western and central Australia

07:33 EST

The Bureau of Meteorology says spring could be wetter than normal for much of western and central Australia.

PNG prime minister Peter O'Neill may review Australian food import ban amid drought

01:25 EST

Papua New Guinea's prime minister Peter O'Neill says he may review a recent ban on importing Australian fruit and vegetables into the country.