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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°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°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°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°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 0.5 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

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Much of WA ending March on wet note

18:55 EDT March is ending wet for Western Australia's west and south, most of which had a damp start to the month but even for places which have been recently dry.

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