When to go · Mount Isa
Mount Isa, month by month
The best months for Mount Isa: May, Jun, Jul, Aug, Sep. Months to avoid: Jan, Feb, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Dec–Feb (wet season: highs near 37°C (99°F), humidity, flooded roads).Listed as a month to avoid: Dec–Feb (wet season: highs near 99°F (37°C), humidity, flooded roads).36 °C (97 °F) / 24 °C (75 °F), 9 rain days97 °F (36 °C) / 75 °F (24 °C), 9 rain daysCrowds: High · 2 festivals or holidays
- FebruaryAvoidListed as a month to avoid: Dec–Feb (wet season: highs near 37°C (99°F), humidity, flooded roads).Listed as a month to avoid: Dec–Feb (wet season: highs near 99°F (37°C), humidity, flooded roads).36 °C (97 °F) / 23 °C (73 °F), 8 rain days97 °F (36 °C) / 73 °F (23 °C), 8 rain daysCrowds: Medium
- MarchGoodOutside the best window (May–Sep (dry, cool nights, highs in the mid-20s to low 30s)). Across Australia: Warm seas, calmer crowds in the south; the north is still wet.35 °C (95 °F) / 22 °C (72 °F), 6 rain days95 °F (35 °C) / 72 °F (22 °C), 6 rain daysCrowds: Medium · 1 festival or holiday
- AprilGoodOutside the best window (May–Sep (dry, cool nights, highs in the mid-20s to low 30s)). Across Australia: Autumn colour, Easter holidays; the north begins to dry out late in the month.33 °C (91 °F) / 18 °C (64 °F), 3 rain days91 °F (33 °C) / 64 °F (18 °C), 3 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Mount Isa's best window: May–Sep (dry, cool nights, highs in the mid-20s to low 30s).28 °C (82 °F) / 14 °C (57 °F), 2 rain days82 °F (28 °C) / 57 °F (14 °C), 2 rain daysCrowds: Low
- JuneGreatInside Mount Isa's best window: May–Sep (dry, cool nights, highs in the mid-20s to low 30s).25 °C (77 °F) / 10 °C (50 °F), 2 rain days77 °F (25 °C) / 50 °F (10 °C), 2 rain daysCrowds: Medium
- JulyGreatInside Mount Isa's best window: May–Sep (dry, cool nights, highs in the mid-20s to low 30s).26 °C (79 °F) / 9 °C (48 °F), 1 rain days79 °F (26 °C) / 48 °F (9 °C), 1 rain daysCrowds: High
- AugustGreatInside Mount Isa's best window: May–Sep (dry, cool nights, highs in the mid-20s to low 30s).28 °C (82 °F) / 10 °C (50 °F), 1 rain days82 °F (28 °C) / 50 °F (10 °C), 1 rain daysCrowds: Medium
- SeptemberGreatInside Mount Isa's best window: May–Sep (dry, cool nights, highs in the mid-20s to low 30s).32 °C (90 °F) / 14 °C (57 °F), 2 rain days90 °F (32 °C) / 57 °F (14 °C), 2 rain daysCrowds: Medium
- OctoberGoodOutside the best window (May–Sep (dry, cool nights, highs in the mid-20s to low 30s)). Across Australia: Warm south, building heat in the north; the good compromise month before stinger season.35 °C (95 °F) / 18 °C (64 °F), 3 rain days95 °F (35 °C) / 64 °F (18 °C), 3 rain daysCrowds: Medium
- NovemberMixedOutside the best window (May–Sep (dry, cool nights, highs in the mid-20s to low 30s)). Across Australia: South is pleasant; the north turns humid with storms, stingers arrive and some roads close.37 °C (99 °F) / 21 °C (70 °F), 5 rain days99 °F (37 °C) / 70 °F (21 °C), 5 rain daysCrowds: Medium
- DecemberAvoidListed as a month to avoid: Dec–Feb (wet season: highs near 37°C (99°F), humidity, flooded roads).Listed as a month to avoid: Dec–Feb (wet season: highs near 99°F (37°C), humidity, flooded roads).37 °C (99 °F) / 23 °C (73 °F), 7 rain days99 °F (37 °C) / 73 °F (23 °C), 7 rain daysCrowds: High · 3 festivals or holidays
Compare two months
Weather, crowds and prices for any two months in Mount Isa, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 28 °C (82 °F)82 °F (28 °C)
Jun: 25 °C (77 °F)77 °F (25 °C)
Night low
May: 14 °C (57 °F)57 °F (14 °C)
Jun: 10 °C (50 °F)50 °F (10 °C)
Rain days
May: 2
Jun: 2
Crowds
May: Low
Jun: Medium
Prices
May: Medium
Jun: Medium
Festivals listed
May: 0
Jun: 0
May: Inside Mount Isa's best window: May–Sep (dry, cool nights, highs in the mid-20s to low 30s).
June: Inside Mount Isa's best window: May–Sep (dry, cool nights, highs in the mid-20s to low 30s).
Mount Isa: figures are long-term averages from this guide, not a forecast.