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Climate history

Heron Island (23.4425°S, 151.9152°E, 16m AMSL) set as my default location ›

  1. Climatology observations

    Climate History

    Heron Island Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 29.6 29.4 28.5 26.5 24.1 22.0 21.5 22.3 24.4 26.1 27.7 28.9 25.9
    Mean Min (°C) 23.0 22.7 21.6 19.5 16.9 14.5 13.8 14.7 17.1 19.3 21.0 22.3 18.9
    Mean Rain (mm) 151.7 171.5 143.1 107.0 100.7 60.9 47.3 43.6 37.7 67.0 72.4 129.6 1121.0
    Mean Rain Days 13.5 13.8 14.3 11.4 9.8 8.0 6.9 6.0 5.9 8.2 9.0 12.0 118.0

  2. Secondary menu

  3. Climatology Average Number Of Days With Temperatures

    Heron 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
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    ≥ 30°C
    13.2
    10.4
    6.0
    0.6
    0.0
    0.0
    0.0
    0.0
    0.1
    0.1
    2.2
    8.6
    40.1
    ≤ 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

  4. Climatology Daily Records

    Heron Island Daily Records

    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    Ann
    High Max. (°C)
    34.5
    35.4
    34.0
    31.9
    28.6
    27.4
    26.9
    28.4
    30.7
    30.3
    33.7
    33.5
    35.4
    Low Max. (°C)
    22.5
    22.7
    21.8
    19.8
    14.1
    13.0
    12.2
    12.2
    18.0
    20.9
    21.5
    20.5
    12.2
    High Min. (°C)
    28.5
    27.4
    27.1
    25.5
    22.4
    21.7
    20.4
    21.5
    22.1
    24.0
    25.3
    27.0
    28.5
    Low Min. (°C)
    16.0
    15.5
    12.0
    9.5
    8.3
    5.4
    6.8
    6.7
    9.4
    8.5
    7.9
    11.5
    5.4
    High Rain (mm)
    290.4
    175.4
    244.6
    125.2
    188.0
    145.2
    144.8
    92.0
    64.0
    138.0
    80.2
    221.0
    290.4

  5. Climatology Monthly Records

    Heron Island Monthly Records

    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    Ann
    High Mn. Max. (°C)
    31.7
    31.3
    30.9
    27.8
    26.5
    23.7
    23.2
    24.5
    26.3
    27.8
    30.2
    30.9
    27.2
    Low Mn. Max. (°C)
    27.8
    27.3
    26.8
    25.1
    22.8
    20.4
    19.4
    20.4
    23.0
    24.7
    25.8
    26.9
    24.7
    High Mn. Min. (°C)
    24.6
    24.1
    23.3
    21.8
    18.5
    15.9
    16.1
    16.5
    18.8
    21.6
    22.4
    24.5
    19.7
    Low Mn. Min. (°C)
    20.9
    20.6
    20.1
    17.7
    15.1
    11.4
    11.8
    12.7
    15.7
    18.0
    19.1
    20.3
    17.8
    High Rain (mm)
    587.6
    559.2
    397.2
    381.8
    426.4
    209.0
    291.1
    147.4
    156.7
    309.5
    209.8
    516.2
    1975.5
    Low Rain (mm)
    10.6
    14.9
    17.8
    2.6
    7.6
    2.4
    0.0
    0.0
    0.0
    2.0
    3.0
    19.3
    598.5

  6. Climatology Station Details

    Town of 1770
    24.16°S, 151.89°E  41m AMSL
    Commenced 1986
    Rainfall records: 37.0 years between 1986 and 2025
    Min. temperature records: 36.0 years 1986 and 2025
    Max. temperature records: 36.0 years between 1986 and 2025

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