Selwyn Weather Forecast

    • 4
    • 23

    Sunny

    • 3
    • 22

    Sunny

    • 3
    • 25

    Sunny

    • 4
    • 28

    Sunny

    • 8
    • 26

    Partly cloudy

    • 9
    • 31

    Partly cloudy

    • 12
    • 28

    Shower

Today 19 Jul North West

Sunny. The chance of morning frost in the southwest. Winds southeasterly 15 to 20 km/h increasing to 20 to 30 km/h in the morning then turning southerly 15 to 20 km/h in the late afternoon. Daytime maximum temperatures in the low to mid 20s.

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Selwyn Temperature Statistics View More

July Temperature

The Monument Airport (40km)

  • Lowest 3 July, 2025

    1.8 °C

  • Average July

    14.3 °C

  • Highest 15 July, 2025

    30.3 °C

Climate (2020–Present)

The Monument Airport (40km)

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  • Average Low 2020–2025

    17 °C

  • Average 2020–2025

    24.6 °C

  • Average High 2020–2025

    32.5 °C
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