St Johns Weather Forecast

    • 10
    • 32

    Sunny

    • 13
    • 38

    Sunny

    • 20
    • 43

    Sunny

    • 21
    • 43

    Mostly sunny

    • 23
    • 41

    Mostly sunny

    • 16
    • 26

    Shower or two

    • 10
    • 27

    Partly cloudy

Today 5 Jan Mount Lofty Ranges

Sunny. Winds south to southeasterly 20 to 30 km/h. Overnight temperatures falling to between 10 and 13 with daytime temperatures reaching 24 to 31.

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St Johns Temperature Statistics View More

January Temperature

Nuriootpa (PIRSA Research Centre) (12km)

  • Lowest 1 January, 2026

    9.1 °C
  • Average January

    20 °C
  • Highest 2 January, 2026

    32.9 °C

Climate (2021–Present)

Nuriootpa (PIRSA Research Centre) (12km)

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  • Average Low 2021–2026

    9.2 °C
  • Average 2021–2026

    15 °C
  • Average High 2021–2026

    21.7 °C
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