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 27°C in Mount Isa in May with low heat and humidity, falling to 14°C at night.

How sunny is it in Mount Isa in May?

There are normally 9 hours of bright sunshine each day in Mount Isa in May - that's 83% of daylight hours.

Does it ever rain in Mount Isa in May?

There are usually 2 days with some rain in Mount Isa in May and the average monthly rainfall is 18mm.

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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