Ulmarra Weather Forecast

    • 23
    • 39

    Late shower or two

    • 23
    • 32

    Showers. Possible storm

    • 22
    • 30

    Possible shower

    • 21
    • 32

    Partly cloudy

    • 19
    • 26

    Shower or two

    • 17
    • 26

    Cloudy

    • 16
    • 27

    Partly cloudy

Today 22 Dec Northern Rivers

Mostly sunny day. Slight chance of a shower in the late afternoon and evening. The chance of a thunderstorm in the late afternoon and evening. Winds northerly 15 to 25 km/h tending northwesterly in the morning then tending northwest to northeasterly in the late afternoon. Overnight temperatures falling to the low to mid 20s with daytime temperatures reaching 34 to 39.

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  • Temperature Forecast Bureau of Meteorology

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Ulmarra Temperature Statistics View More

December Temperature

Grafton (Agricultural Research and Advisory Station) (6km)

  • Lowest 3 December, 2025

    13.3 °C
  • Average December

    23.1 °C
  • Highest 6 December, 2025

    35.9 °C

Climate (2020–Present)

Grafton (Agricultural Research and Advisory Station) (6km)

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  • Average Low 2020–2025

    14.2 °C
  • Average 2020–2025

    19.2 °C
  • Average High 2020–2025

    25.8 °C
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