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Weather extremes

How extreme does Palmerston's weather get?

The hottest, coldest, wettest and snowiest days Palmerston 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 Darwin Airport station 12 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 Palmerston has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
102°F Oct 18, 1982

That is about 9°F hotter than a normal October afternoon in Palmerston (typical high near 93°F).

The three most extreme on record

1 102°F Oct 18, 1982
2 101°F Oct 21, 2019
3 101°F Oct 4, 2025
❄️ Coldest night
54°F Jun 3, 2000

About 14°F colder than a normal June night in Palmerston (typical low near 68°F).

The three most extreme on record

1 54°F Jun 3, 2000
2 54°F Jun 30, 2007
3 54°F Jul 27, 2008
🌧️ Most rain in one day
14.47 in Feb 16, 2011

About 89% of a typical February's rain in a single day (Palmerston averages roughly 16.2 in across the month).

The three most extreme on record

1 14.47 in Feb 16, 2011
2 11.43 in Jan 3, 1997
3 10.91 in Dec 25, 1974

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.

30°50°70°90°110°130° all-time high 102°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Palmerston's record heat sits well above even a hot day for the season — October's 102°F is about 9°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, Palmerston's warmest days reach the low 90s°F and its coldest nights drop to the high 60s°F. But across the record it has gone as high as 102°F and as low as 54°F. A single day has delivered over 14 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 Darwin Airport, a weather station, about 12 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →