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Climate history

South Johnstone (17.5987°S, 145.9947°E, 13m AMSL) set as my default location ›

  1. Climatology observations

    Climate History

    South Johnstone Climatology

    Long-Term Averages
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
    Mean Max (°C) 31.3 31.0 30.0 28.4 26.3 24.6 24.1 25.3 27.3 29.1 30.6 31.3 28.3
    Mean Min (°C) 22.9 23.0 22.3 20.8 18.8 16.4 15.4 15.7 17.1 19.2 20.9 22.2 19.5
    Mean Rain (mm) 512.6 565.2 588.7 396.7 268.3 151.5 114.3 93.3 84.8 90.0 140.2 266.1 3315.8
    Mean Rain Days 18.8 19.3 21.3 20.1 19.3 16.2 16.1 14.6 13.0 11.9 12.3 14.9 195.6

  2. Secondary menu

  3. Climatology Average Number Of Days With Temperatures

    South Johnstone 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
    0.1
    0.0
    0.1
    ≥ 35°C
    1.5
    1.2
    0.6
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.1
    0.5
    1.2
    5.3
    ≥ 30°C
    24.0
    19.2
    17.1
    5.4
    0.6
    0.1
    0.1
    0.2
    2.0
    9.7
    19.9
    23.9
    120.9
    ≤ 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

    South Johnstone Daily Records

    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    Ann
    High Max. (°C)
    40.0
    40.5
    37.6
    35.3
    32.0
    31.0
    32.2
    32.3
    35.0
    36.3
    42.2
    40.4
    42.2
    Low Max. (°C)
    23.7
    24.5
    23.3
    22.0
    17.2
    17.1
    16.2
    16.8
    18.5
    22.4
    24.0
    24.0
    16.2
    High Min. (°C)
    29.2
    29.0
    27.2
    25.4
    24.5
    23.2
    22.1
    23.0
    23.5
    25.5
    27.9
    26.7
    29.2
    Low Min. (°C)
    14.4
    16.0
    15.0
    11.7
    7.4
    5.4
    3.3
    6.8
    7.3
    9.6
    10.8
    14.9
    3.3
    High Rain (mm)
    461.0
    398.0
    700.0
    318.0
    207.0
    157.5
    121.6
    124.0
    118.0
    264.9
    236.2
    309.0
    700.0

  5. Climatology Monthly Records

    South Johnstone Monthly Records

    Jan
    Feb
    Mar
    Apr
    May
    Jun
    Jul
    Aug
    Sep
    Oct
    Nov
    Dec
    Ann
    High Mn. Max. (°C)
    33.8
    33.4
    32.3
    30.7
    28.1
    26.3
    25.7
    27.2
    29.1
    31.7
    32.9
    33.4
    29.1
    Low Mn. Max. (°C)
    28.1
    28.3
    28.0
    26.6
    24.6
    22.7
    22.6
    22.9
    25.7
    27.1
    28.8
    29.0
    27.4
    High Mn. Min. (°C)
    24.3
    24.2
    23.9
    22.8
    21.3
    19.2
    19.4
    17.9
    21.2
    22.1
    22.5
    23.7
    21.2
    Low Mn. Min. (°C)
    20.5
    20.5
    19.9
    18.2
    14.8
    11.9
    10.5
    12.2
    13.3
    16.2
    18.0
    19.6
    17.4
    High Rain (mm)
    2748.6
    1496.7
    1576.9
    1203.8
    825.4
    503.2
    442.6
    414.3
    393.0
    431.1
    804.0
    1048.7
    5249.9
    Low Rain (mm)
    12.1
    24.0
    51.8
    4.4
    8.9
    7.7
    3.6
    5.1
    0.0
    0.0
    0.6
    23.2
    1397.1

  6. Climatology Station Details

    South Johnstone
    17.61°S, 146.0°E  19m AMSL
    Commenced 1920
    Rainfall records: 96.0 years between 1920 and 2024
    Min. temperature records: 57.0 years 1965 and 2024
    Max. temperature records: 57.0 years between 1965 and 2024

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