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Weather extremes

How extreme does Kalgoorlie's weather get?

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

Based on 50+ years of daily weather observations (1971–present), from the Kalgoorlie-Boulder Airport station 5 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 Kalgoorlie has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
116°F Jan 24, 1980

That is about 23°F hotter than a normal January afternoon in Kalgoorlie (typical high near 93°F).

The three most extreme on record

1 116°F Jan 24, 1980
2 116°F Jan 22, 1990
3 116°F Feb 21, 2024
❄️ Coldest night
26°F Jul 24, 1977

About 16°F colder than a normal July night in Kalgoorlie (typical low near 42°F).

The three most extreme on record

1 26°F Jul 24, 1977
2 27°F Jun 23, 1981
3 27°F Jul 29, 1982
🌧️ Most rain in one day
4.12 in Feb 27, 1995

More rain in a single day than Kalgoorlie usually gets in the whole month of February (typical February total about 1.4 in).

The three most extreme on record

1 4.12 in Feb 27, 1995
2 3.70 in Jan 23, 2014
3 3.50 in Jan 22, 1987

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 116°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Kalgoorlie's record heat sits well above even a hot day for the season — January's 116°F is about 23°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, Kalgoorlie's warmest days reach the low 90s°F and its coldest nights drop to the low 40s°F. But across the record it has gone as high as 116°F and as low as 26°F. A single day has delivered over 4 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 30 years of daily observations at Kalgoorlie-boulder Airport, a weather station, about 5 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →