The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Mount Isa Weather in May

Mount Isa in May

The short of it: Mount Isa in May averages a high of 28 °C (82 °F) and a low of 14 °C (57 °F), with 7.0 mm (0.28 in) of rain and about 11 h 8 min of daylight. Rated 5 of 5 for a visit; the best months are June and July. Source: TerraClimate climate normals, 1991–2020.

Average high 28° · low 14° · rain 7.0 mm · daylight 11 h 8 min

✦✦✦✦✦ Recommended for a visit · best months: June & July

Thirty years of records give Mount Isa an average May high of 28°, a low of 14° and some 7.0 mm of rain. Highs fall 5° against April, to near 28°; nights run about 14°. Rain is scarce, about 7.0 mm, the 9th wettest month.

The sun is up for about 11 h 8 min in mid-May, 30 minutes less than a month before.

For the traveller: pack light clothes and a jacket for the evening. The Almanac rates May 5 of 5 for a visit; the finest months here are June and July.

Against its neighbours, Mount Isa runs warmer than most and wetter than most in May. Menzies, 1 km to the N, sees much the same highs.

May in Mount Isa, by the numbers

Warmth rank
9th warmest of 12
Rain rank
9th wettest of 12
Versus April
5° colder, 8.0 mm less rain
Versus June
3° warmer
Day–night spread
14°
Snow season
seldom any
Daylight, mid-month
11 h 8 min
Average wind
10 km/h

Neighbouring Towns

May averages · distance by the crow’s flight
TownDistanceHighLowRain
MenziesQueensland1 km N28°14°7.0 mm
MorningtonQueensland1 km S28°14°7.0 mm
TownviewQueensland1 km SE28°14°7.0 mm
PioneerQueensland1 km ENE28°14°7.0 mm
ParksideQueensland2 km SSW28°14°7.0 mm
WinstonQueensland2 km N28°14°7.0 mm
SunsetQueensland2 km NE28°14°7.0 mm
HealyQueensland2 km S28°14°7.0 mm

The Almanac · Mount Isa Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Recommended
The Almanac Speaks
May
✦✦✦✦✦

Highs fall 5° against April, to near 28°; nights run about 14°. Rain is scarce, about 7.0 mm, the 9th wettest month.

Climate of Mount Isa by month
MonthHighLowRainWindDaylightVisit
January36°24°113 mm10 km/h13 h 15 min✦
February36°23°98 mm9 km/h12 h 48 min✦
March35°22°65 mm8 km/h12 h 16 min✦✦
April32°19°15 mm10 km/h11 h 38 min✦✦✦✦
May28°14°7.0 mm10 km/h11 h 8 min✦✦✦✦✦
June25°10°5.0 mm11 km/h10 h 53 min✦✦✦✦✦
July25°9°4.0 mm10 km/h10 h 59 min✦✦✦✦✦
August27°10°4.0 mm11 km/h11 h 25 min✦✦✦✦✦
September32°15°8.0 mm11 km/h12 h 0 min✦✦✦✦
October35°19°21 mm11 km/h12 h 37 min✦✦✦
November36°21°34 mm10 km/h13 h 8 min✦✦✦
December37°23°71 mm10 km/h13 h 23 min✦

Questions Readers Ask about Mount Isa in May

Answered from the wire & the Almanac

What is the weather like in Mount Isa in May?

Days average 28 °C (82 °F) and nights 14 °C (57 °F), with about 7.0 mm (0.28 in) of rain over the month. Highs fall 5° against April, to near 28°; nights run about 14°. Rain is scarce, about 7.0 mm, the 9th wettest month.

Is May a good time to visit Mount Isa?

The Almanac gives May 5 of 5 (recommended). The best months are June and July.

How long are the days in Mount Isa in May?

In mid-May the sun is up for about 11 h 8 min. The days are shortening — from 10 h 53 min in June to 13 h 23 min in December.

Does it snow in Mount Isa in May?

Hardly — May nights average 14 °C (57 °F), above freezing.

What should I pack for Mount Isa in May?

Light clothes and a jacket for the evening.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor
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