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Weather extremes

How extreme does Mackay's weather get?

The hottest, coldest, wettest and snowiest days Mackay has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 31 years of daily weather observations (1995–present), from the Mackay Aero station 2 km away. Updated through May 2026 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.

The four kinds of extreme

The hottest, coldest, wettest and snowiest single days Mackay has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
103°F Nov 26, 2018

That is about 17°F hotter than a normal November afternoon in Mackay (typical high near 86°F).

The three most extreme on record

1 103°F Nov 26, 2018
2 101°F Dec 21, 1995
3 101°F Nov 27, 2018
❄️ Coldest night
33°F Jul 20, 2004

About 19°F colder than a normal July night in Mackay (typical low near 52°F).

The three most extreme on record

1 33°F Jul 20, 2004
2 33°F Jul 20, 2007
3 35°F Jun 2, 2000
🌧️ Most rain in one day
9.18 in Jan 4, 2017

About 100% of a typical January's rain in a single day (Mackay averages roughly 9.2 in across the month).

The three most extreme on record

1 9.18 in Jan 4, 2017
2 8.95 in Nov 29, 2021
3 8.14 in Mar 30, 2017

How hot and cold it gets, month by month

The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.

10°30°50°70°90°110°130° all-time high 103°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Mackay's record heat sits well above even a hot day for the season — November's 103°F is about 17°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.

In plain terms

In a normal year, Mackay's warmest days reach the high 80s°F and its coldest nights drop to the low 50s°F. But across the record it has gone as high as 103°F and as low as 33°F. A single day has delivered over 9 inches of rain. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 25 years of daily observations at Mackay Aero, a weather station, about 2 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →