Whyalla Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
30.2 29.7 27.4 24.2 20.3 17.2 17.1 18.6 21.6 24.2 26.7 28.3 23.7
Mean Min (°C)
17.8 17.7 15.6 12.0 8.7 6.2 5.3 5.9 8.1 10.9 14.0 16.1 11.5
Mean Rain (mm)
22.4 19.7 16.9 20.0 23.2 28.5 22.1 21.3 25.5 22.8 24.8 22.8 263.5
Median Rain (mm)
5.8 7.4 9.2 12.4 22.1 24.3 20.8 21.1 19.9 19.6 19.4 15.4 248.5
Mean Rain Days
3.4 3.3 3.9 4.9 8.3 10.6 10.0 9.6 7.2 6.4 5.0 4.8 76.7

Whyalla Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
48.5 48.0 44.1 40.4 32.9 26.3 27.0 32.4 38.0 42.1 46.1 46.8 48.5
Low Max (°C)
20.0 19.0 17.0 15.7 11.8 9.4 10.6 10.2 13.0 12.6 12.8 17.7 9.4
High Min (°C)
32.5 29.6 26.6 25.4 18.3 16.9 15.4 20.6 22.2 23.8 28.7 28.1 32.5
Low Min (°C)
5.9 8.6 5.5 2.2 -0.4 -3.2 -3.2 -2.0 -0.7 0.3 3.9 4.7 -3.2
High Rain (mm)
62.8 101.6 50.0 44.5 31.2 40.0 40.0 24.4 52.0 49.0 53.0 51.0 101.6

Whyalla Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
35.0 33.3 31.2 28.2 22.4 18.4 19.3 21.6 26.0 27.9 30.7 32.5 24.8
Low Mn. Max (°C)
26.5 27.1 24.7 21.2 17.9 14.9 15.0 16.4 17.5 20.9 22.9 25.1 21.0
High Mn. Min (°C)
20.9 20.9 17.6 13.9 10.8 8.4 7.4 7.3 10.1 13.6 17.0 17.2 12.3
Low Mn. Min (°C)
15.3 15.8 13.7 10.0 5.9 2.7 2.2 3.9 6.0 8.0 11.5 14.0 9.5
High Rain (mm)
172.6 139.8 79.6 91.4 56.9 97.4 73.4 50.7 105.5 82.8 106.4 76.0 510.3
Low Rain (mm)
0.0 0.0 0.0 0.0 1.2 4.2 3.3 0.0 0.0 0.0 0.0 0.0 87.0

Whyalla Annual Temperatures & Rainfall

Whyalla annual climate

Whyalla Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
2.9 1.5 0.6 0.1 0.0 0.0 0.0 0.0 0.0 0.2 1.0 1.8 7.9
≥ 35°C
6.8 5.4 3.8 0.6 0.0 0.0 0.0 0.0 0.3 1.9 4.2 5.3 28.1
≥ 30°C
12.9 11.7 8.5 3.9 0.4 0.0 0.0 0.2 2.6 6.0 8.6 10.2 64.3
≤ 2°C
0.0 0.0 0.0 0.0 0.5 4.1 5.2 3.6 0.7 0.1 0.0 0.0 13.6
≤ 0°C
0.0 0.0 0.0 0.0 0.1 1.4 1.5 0.9 0.1 0.0 0.0 0.0 3.7

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
38.2 36.7 35.1 29.6 24.5 20.1 19.9 22.6 28.0 31.3 34.5 35.8 31.5
Low Max
23.7 23.7 21.9 19.7 17.0 14.5 13.8 14.8 16.2 18.0 20.2 22.0 16.5
High Min
20.7 21.1 19.2 15.7 12.5 9.9 8.7 9.8 12.4 14.4 17.7 19.0 17.6
Low Min
14.3 14.4 12.0 8.0 4.8 2.2 1.5 2.4 3.9 6.6 10.3 12.5 4.8

Whyalla Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
38 36 37 37 36 38 39 39 39 38 39 39 37.0
Earliest Entry
1983 1984 1984 1984 1983 1982 1982 1982 1982 1982 1982 1982 1982
Latest Entry
2022 2022 2022 2022 2022 2021 2021 2021 2021 2021 2021 2021 2022
Years of Maxima
38 36 37 37 37 38 39 39 39 39 39 39 37.0
Earliest Entry
1983 1984 1984 1984 1983 1982 1982 1982 1982 1982 1982 1982 1982
Latest Entry
2022 2022 2022 2022 2022 2021 2021 2021 2021 2021 2021 2021 2022
Years of Rainfall
41 41 41 41 40 39 39 40 40 39 39 41 40.0
Earliest Entry
1979 1979 1979 1979 1979 1979 1979 1979 1979 1979 1979 1979 1979
Latest Entry
2022 2022 2022 2022 2022 2021 2021 2021 2021 2021 2021 2021 2022

Station Details

WHYALLA AERO
Eastern Eyre Peninsula, South Australia
33.0539°S 137.5206°E 10m AMSL
Commenced 1945

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