North Island Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
27.8 28.5 28.2 26.4 24.5 22.3 21.2 21.6 22.4 23.7 25.3 26.8 24.9
Mean Min (°C)
21.5 22.0 22.0 20.4 18.5 16.5 15.3 15.3 16.0 17.2 18.6 20.1 18.6
Mean Rain (mm)
2.4 10.4 5.4 14.3 40.2 63.8 67.6 39.4 18.8 11.9 5.7 3.8 286.0
Median Rain (mm)
0.0 0.0 0.1 6.2 30.4 47.5 47.4 30.9 16.6 4.2 1.7 0.0 273.7
Mean Rain Days
1.3 1.5 2.0 4.0 8.6 12.1 13.7 11.8 8.2 4.9 3.1 1.4 71.8

North Island Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
38.5 41.0 39.1 34.5 30.4 27.1 26.6 27.2 31.1 33.4 34.0 39.4 41.0
Low Max (°C)
22.9 21.6 20.8 20.5 17.7 16.5 15.9 15.4 16.7 18.7 20.2 21.0 15.4
High Min (°C)
25.9 27.5 27.1 25.6 23.5 21.9 21.3 20.8 20.2 21.5 24.9 24.6 27.5
Low Min (°C)
15.7 17.2 15.3 13.1 7.9 7.1 6.2 5.5 8.1 9.2 11.5 15.1 5.5
High Rain (mm)
14.6 46.8 15.0 45.8 40.0 50.2 91.2 47.2 37.2 29.6 27.6 29.0 91.2

North Island Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
30.2 31.5 31.0 28.5 26.5 23.8 22.6 24.4 23.5 25.1 27.8 28.4 25.9
Low Mn. Max (°C)
26.1 26.3 25.8 25.0 23.1 20.8 19.9 19.7 21.0 22.2 23.8 24.7 23.8
High Mn. Min (°C)
23.3 25.0 24.5 22.0 20.1 17.9 16.6 17.0 17.3 18.4 19.8 21.5 19.5
Low Mn. Min (°C)
20.2 20.6 20.6 19.0 16.8 15.2 14.1 13.7 14.6 15.6 17.4 18.3 17.8
High Rain (mm)
16.6 76.8 41.2 70.4 92.8 147.4 162.2 84.6 53.0 40.6 31.6 38.4 477.0
Low Rain (mm)
0.0 0.0 0.0 0.0 1.2 3.2 25.4 4.2 1.4 0.0 0.0 0.0 170.4

North Island Annual Temperatures & Rainfall

North Island annual climate

North Island Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°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
≥ 35°C
0.6 0.7 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.2
≥ 30°C
3.9 6.0 5.6 1.3 0.0 0.0 0.0 0.0 0.0 0.2 1.0 2.4 19.8
≤ 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

North Island 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
28.3 30.7 30.6 27.8 26.8 24.2 23.0 23.4 23.5 25.0 26.7 27.7 27.5
Low Max
25.3 26.0 25.5 24.0 22.0 20.1 19.0 19.2 20.0 21.5 23.0 24.2 21.0
High Min
22.0 23.0 23.0 21.8 20.8 19.0 17.2 17.0 17.3 18.7 20.0 21.0 21.4
Low Min
19.9 20.0 20.1 18.5 16.1 14.4 13.4 13.9 14.2 15.6 17.0 18.2 15.2

North Island Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
23 25 24 24 24 24 23 23 22 20 22 24 24.0
Earliest Entry
2001 2001 2001 2001 2001 2001 2001 2001 2000 2000 2000 2000 2000
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Maxima
23 25 24 24 24 24 23 23 22 20 23 24 24.0
Earliest Entry
2001 2001 2001 2001 2001 2001 2001 2001 2000 2000 2000 2000 2000
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025
Years of Rainfall
22 22 23 23 22 23 23 22 22 19 20 21 22.0
Earliest Entry
2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2000 2000 2000
Latest Entry
2025 2025 2025 2024 2024 2024 2024 2024 2024 2024 2024 2024 2025

Station Details

NORTH ISLAND
Central West, Western Australia
28.3009°S 113.5937°E 3m AMSL
Commenced 1990

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Months of rain in a day in southern WA

12:31 AEST Heavy rain has fallen in southern parts of Western Australia, with the heaviest day of rain (in any month) in at least 20 years at some locations.

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