Mount Gambier weather in May 2026

Expect daytime maximum temperatures of 16°C in Mount Gambier, South Australia in May based on long-term weather averages. There are 4 hours of sunshine per day on average with 10 days with some rainfall and typically 78 mm of rainfall in the month.

  • 16°C maximum daytime temperature in May in Mount Gambier16
    16°C max day temperature
  • 4 hours of sunshine per day
  • 10 days with some rainfall in May in Mount Gambier10
    10 days with some rainfall
  • 8°C minimum night-time temperature in May in Mount Gambier8
    8°C min night temperature
  • 10 hours of daylight per day in May in Mount Gambier10
    10 hours of daylight per day
  • No heat & humidity in May in Mount Gambier0
    No heat & humidity
  • 78 mm monthly rainfall in May in Mount Gambier78
    78 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in May in Mount Gambier3
    3 (Moderate) UV index

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The May weather guide for South Australia (Mount Gambier) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Mount Gambier in May?

Daytime temperatures usually reach 19°C in Mount Gambier in May, falling to 9°C at night.

How sunny is it in Mount Gambier in May?

There are normally 5 hours of bright sunshine each day in Mount Gambier in May - that's 51% of daylight hours.

How warm is the sea around Mount Gambier in May?

The average sea temperature around Mount Gambier in May is 17°C.

Does it rain in Mount Gambier in May?

There are usually 8 days with some rain in Mount Gambier in May and the average monthly rainfall is 71mm.

Mount Gambier May sunrise & sunset times

Browse the sunrise and sunset times for Mount Gambier in May 2026. Select a month to view Mount Gambier sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 06:48 17:20
Saturday, 16th May 2026 07:01 17:05
Sunday, 31st May 2026 07:12 16:57

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