Selwyn Weather Forecast

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Today 23 Dec North West

Cloudy. Medium chance of showers. The chance of a thunderstorm, possibly severe with heavy rain which may lead to flash flooding. Winds easterly 15 to 20 km/h becoming light in the evening.

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Selwyn Temperature Statistics View More

December Temperature

The Monument Airport (40km)

  • Lowest 3 December, 2025

    16 °C

  • Average December

    30.5 °C

  • Highest 7 December, 2025

    42.7 °C

Climate (2020–Present)

The Monument Airport (40km)

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  • Average Low 2020–2025

    16.9 °C

  • Average 2020–2025

    24.5 °C

  • Average High 2020–2025

    32.4 °C
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