Mount Isa weather in May 2026

Expect daytime maximum temperatures of 27°C in Mount Isa, Queensland in May based on long-term weather averages. There are 9 hours of sunshine per day on average.

  • 27°C maximum daytime temperature in May in Mount Isa27
    27°C max day temperature
  • 9 hours of sunshine per day
  • 2 days with some rainfall in May in Mount Isa2
    2 days with some rainfall
  • 14°C minimum night-time temperature in May in Mount Isa14
    14°C min night temperature
  • 11 hours of daylight per day in May in Mount Isa11
    11 hours of daylight per day
  • Low heat & humidity in May in Mount IsaL
    Low heat & humidity
  • 18 mm monthly rainfall in May in Mount Isa18
    18 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Mount Isa7
    7 (High) UV index

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The May weather guide for Queensland (Mount Isa) 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 Isa in May?

Daytime temperatures usually reach 24°C in Mount Isa in May, falling to 14°C at night.

How sunny is it in Mount Isa in May?

There are normally 6 hours of bright sunshine each day in Mount Isa in May - that's 59% of daylight hours.

How warm is the sea around Mount Isa in May?

The average sea temperature around Mount Isa in May is 22°C.

Does it rain in Mount Isa in May?

There are usually 11 days with some rain in Mount Isa in May and the average monthly rainfall is 93mm.

Mount Isa May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 06:59 18:19
Saturday, 16th May 2026 07:05 18:12
Sunday, 31st May 2026 07:11 18:09

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