Karnet Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
30.7 30.6 27.8 23.3 19.2 16.4 15.5 16.1 17.7 20.8 24.6 28.3 22.5
Mean Min (°C)
15.4 15.8 14.3 11.8 9.0 7.3 6.3 6.3 7.3 9.0 11.5 13.6 10.6
Mean Rain (mm)
17.8 20.3 25.4 63.4 137.7 205.1 220.2 184.0 130.9 74.9 44.6 18.8 1131.1
Median Rain (mm)
4.3 9.7 17.5 56.3 127.3 203.2 203.4 187.0 121.4 74.8 36.0 11.9 1137.8
Mean Rain Days
2.9 3.1 4.9 9.0 14.1 18.0 19.7 18.8 16.2 10.7 7.3 4.1 127.5

Karnet Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
43.5 44.5 40.0 36.6 30.7 25.3 24.0 27.0 31.4 35.8 39.9 42.0 44.5
Low Max (°C)
17.2 15.4 14.1 11.9 11.0 7.9 7.8 8.0 9.1 10.8 10.9 16.7 7.8
High Min (°C)
29.5 31.5 24.1 21.1 18.0 16.0 14.2 14.4 16.2 19.0 22.3 24.6 31.5
Low Min (°C)
6.5 6.2 0.0 3.0 0.4 -2.0 -2.0 -2.0 -0.6 0.6 1.6 4.0 -2.0
High Rain (mm)
131.3 115.8 58.0 77.4 89.4 145.8 113.0 116.8 68.4 77.8 81.4 57.4 145.8

Karnet Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
33.7 34.7 30.9 27.2 22.1 18.3 16.8 18.5 20.0 24.6 28.7 31.8 24.0
Low Mn. Max (°C)
27.6 27.0 23.4 18.6 16.9 13.8 14.0 13.5 15.3 17.7 20.0 22.6 20.1
High Mn. Min (°C)
17.3 18.8 16.9 15.0 11.9 9.4 8.4 8.8 9.7 11.3 15.2 16.1 11.9
Low Mn. Min (°C)
13.3 13.1 11.7 7.8 5.6 4.7 4.4 4.4 4.8 6.6 8.8 9.9 8.9
High Rain (mm)
167.0 131.4 92.3 166.9 310.7 455.3 440.9 294.1 304.8 189.4 152.4 82.6 1654.7
Low Rain (mm)
0.0 0.0 0.0 0.0 13.6 45.7 37.3 34.0 15.8 2.0 0.4 0.0 596.3

Karnet Annual Temperatures & Rainfall

Karnet annual climate

Karnet Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
0.6 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.1
≥ 35°C
6.0 4.9 2.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.7 3.1 16.3
≥ 30°C
17.3 15.8 10.1 1.9 0.0 0.0 0.0 0.0 0.0 1.1 4.8 11.4 61.1
≤ 2°C
0.0 0.0 0.0 0.0 0.2 1.2 2.4 2.2 1.0 0.2 0.0 0.0 7.4
≤ 0°C
0.0 0.0 0.0 0.0 0.0 0.1 0.4 0.3 0.1 0.0 0.0 0.0 0.9

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
36.0 35.5 32.9 27.8 22.5 18.8 17.7 18.4 21.1 25.5 30.0 33.9 30.8
Low Max
25.4 25.3 22.7 19.0 16.0 13.9 13.0 13.5 14.5 16.5 19.1 22.5 15.2
High Min
18.8 19.3 17.6 15.1 12.3 10.5 9.5 9.5 10.3 12.2 14.6 17.0 15.6
Low Min
11.7 12.0 10.6 8.4 5.6 4.0 3.0 3.0 4.0 5.5 8.0 10.0 5.4

Karnet Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
54 57 55 56 54 56 54 56 56 55 55 55 56.0
Earliest Entry
1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965
Latest Entry
2024 2024 2024 2023 2023 2023 2023 2023 2023 2023 2023 2023 2024
Years of Maxima
58 58 56 55 55 56 56 57 57 58 54 52 57.0
Earliest Entry
1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965
Latest Entry
2024 2024 2024 2023 2023 2023 2023 2023 2023 2023 2023 2023 2024
Years of Rainfall
61 61 60 58 59 57 57 58 58 59 58 60 59.0
Earliest Entry
1964 1964 1964 1964 1964 1965 1965 1964 1964 1964 1964 1963 1963
Latest Entry
2024 2024 2024 2023 2023 2023 2023 2023 2023 2023 2023 2023 2024

Station Details

KARNET
Perth, Western Australia
32.4389°S 116.0789°E 286m AMSL
Commenced 1963

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Winter is Coming: Chilly day for Sydney, rain pelts eastern seaboard

17:22 AEST Just as we forecast yesterday, a coastal trough has deepened along the NSW and southeast Qld coasts as a low in the Coral Sea continues to inch closer to Qld.  The trough has brought some interesting weather to NSW in the past 36 hours or so, particularly along the coastal fringe, giving those New South Welshmen a “Stark” Game of Thrones reminder: winter is coming.

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