Karratha Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
36.1 35.8 36.3 34.4 30.1 26.6 26.5 28.4 31.0 34.1 35.1 36.0 32.5
Mean Min (°C)
26.9 26.8 26.1 23.0 18.3 15.2 13.9 14.5 17.1 20.8 23.1 25.7 20.9
Mean Rain (mm)
47.5 73.2 46.6 16.2 29.1 34.0 14.3 4.1 1.2 0.4 1.3 14.9 290.3
Median Rain (mm)
17.9 44.6 33.8 3.2 3.2 7.1 3.4 0.2 0.0 0.0 0.0 0.3 243.4
Mean Rain Days
4.1 5.0 4.0 1.8 3.1 3.2 2.0 1.1 0.4 0.3 0.4 1.4 26.9

Karratha Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
48.4 47.7 45.8 41.3 38.3 32.8 34.0 39.1 40.7 44.7 44.8 46.9 48.4
Low Max (°C)
27.4 26.9 25.8 19.6 19.0 17.4 17.1 21.8 22.5 26.3 27.6 29.1 17.1
High Min (°C)
31.9 32.6 31.3 29.6 27.7 24.1 22.1 23.3 27.2 29.2 30.5 31.4 32.6
Low Min (°C)
20.5 19.4 13.0 14.7 10.8 7.1 6.9 8.0 10.0 11.1 16.0 18.7 6.9
High Rain (mm)
212.4 210.6 190.8 107.0 107.4 209.4 66.6 28.2 15.4 6.0 37.8 112.8 212.4

Karratha Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
38.2 38.2 38.4 37.1 32.0 28.4 28.3 29.9 34.1 37.9 37.7 39.5 33.9
Low Mn. Max (°C)
34.0 32.5 33.0 31.3 27.0 24.8 23.9 26.5 29.1 30.4 32.4 33.1 31.4
High Mn. Min (°C)
28.3 28.3 27.9 26.1 21.1 18.9 16.5 16.0 19.6 23.2 24.9 27.6 21.9
Low Mn. Min (°C)
25.2 25.4 24.1 20.3 16.3 12.4 10.2 12.4 15.7 18.4 21.7 23.6 19.9
High Rain (mm)
263.4 348.8 291.2 120.7 143.7 271.6 76.2 34.4 20.8 6.0 38.0 112.8 855.4
Low Rain (mm)
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 53.0

Karratha Annual Temperatures & Rainfall

Karratha annual climate

Karratha Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
3.7 2.9 3.7 0.5 0.0 0.0 0.0 0.0 0.1 1.7 2.5 4.1 18.9
≥ 35°C
18.8 16.2 19.9 12.7 1.0 0.0 0.0 0.3 2.7 12.5 14.8 17.3 114.8
≥ 30°C
29.9 26.9 29.8 28.1 16.2 2.0 1.9 6.7 18.1 26.5 27.9 29.8 243.0
≤ 2°C
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
≤ 0°C
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
39.9 38.8 39.4 36.7 32.9 29.2 28.6 30.3 33.8 37.9 38.9 39.7 37.5
Low Max
32.8 32.3 33.0 31.7 27.4 24.0 24.1 25.8 27.6 29.6 30.8 32.1 26.9
High Min
28.7 28.6 27.9 25.2 21.3 19.0 17.0 17.1 19.5 23.7 25.2 27.5 26.9
Low Min
24.7 24.9 23.9 19.8 14.9 11.1 10.7 11.3 14.3 17.6 20.6 23.0 14.1

Karratha Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
29 27 29 29 28 27 28 28 28 28 28 28 28.0
Earliest Entry
1994 1994 1994 1994 1994 1994 1994 1993 1993 1993 1993 1993 1993
Latest Entry
2022 2022 2022 2022 2022 2021 2021 2021 2021 2021 2021 2021 2022
Years of Maxima
28 28 29 29 28 27 27 27 29 28 28 29 28.0
Earliest Entry
1994 1994 1994 1994 1994 1994 1994 1993 1993 1993 1993 1993 1993
Latest Entry
2022 2022 2022 2022 2022 2021 2021 2021 2021 2021 2021 2021 2022
Years of Rainfall
48 47 48 48 48 48 48 47 47 46 46 47 46.0
Earliest Entry
1973 1973 1973 1973 1972 1972 1972 1972 1972 1972 1972 1972 1972
Latest Entry
2022 2022 2022 2022 2022 2021 2021 2021 2021 2021 2021 2021 2022

Station Details

KARRATHA AERO
Pilbara, Western Australia
20.7097°S 116.7742°E 6m AMSL
Commenced 1971

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