Weather in Mount Isa in November

The month to avoid. Of the twelve, November is the one to avoid. Daytime highs average 38 °C and the afternoon is not negotiable — outdoor plans move to early morning or evening.

November ranks 11 of 12 — near the bottom of Mount Isa's year. June is the month that works, and the swing between the two is 68 points, which is a different holiday rather than a slightly better one.

Rain on 7 days, 1 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for heat management rather than style: shade, water, and a schedule that gives up on the middle of the day.

What the averages hide

Averages flatten a month, and this one hides a few things: 26 days of the month clear 35 °C — that is not a heatwave, it is the month; the day swings 15.1 °C from low to high, which means one bag has to cover both. Across the twenty years measured, the hottest November day reached 44.5 °C and the coldest night fell to 13.1 °C, and the wettest single day dropped 56 mm — roughly 147% of the month's rain in one day.

This is the volatile part. November rainfall has ranged from 1 mm to 170 mm across the twenty years measured — a 169 mm spread around an average of 38 mm. The average is real but almost no individual November looks like it, so treat the figure as the middle of a wide range rather than a forecast.

Wind is light at 11.4 km/h, so the temperature on the page is close to the temperature on your skin, and the air is dry at 31% humidity, which makes the heat far more bearable than the same figure somewhere humid — and dehydrates you faster than you expect.

How November sits in the year

Temperatures hold steady either side: 36.6 °C in October, 38 here, 38.3 in December. Nothing about the timing within the month matters much. Rain has already shifted: 5 days more than October had.

Daylight in November

November is at or near the longest days of Mount Isa's year: 13.1 hours of daylight, gaining 0.4 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.

An inland climate

With no coast nearby, the year swings a fair way — 28 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage. Within November itself the daily swing is 15.1 °C, so mornings and afternoons need different clothes.

How busy it gets

Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

November in Mount Isa versus nearby

If Mount Isa is one option among several, the nearby comparison is worth making. Alice Springs is a better bet in November — 2 °C cooler, 2 days less rain. Cairns is a better bet in November — 5.9 °C cooler, 5 days more rain.

So: November is a compromise. June is 68 points better and is what Mount Isa is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Mount Isa

See all twelve months in Mount Isa, or where else to go in November.