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Weather extremes

How extreme does Hervey Bay's weather get?

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

Based on 27 years of daily weather observations (1999–present), from the Hervey Bay 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 Hervey Bay has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
98°F Dec 5, 2012

That is about 13°F hotter than a normal December afternoon in Hervey Bay (typical high near 85°F).

The three most extreme on record

1 98°F Dec 5, 2012
2 96°F Mar 6, 2017
3 95°F Jan 9, 2002
❄️ Coldest night
29°F Apr 13, 2026

About 35°F colder than a normal April night in Hervey Bay (typical low near 64°F).

The three most extreme on record

1 29°F Apr 13, 2026recent
2 30°F Jul 16, 2007
3 32°F Jul 15, 2007
🌧️ Most rain in one day
10.29 in Mar 9, 2025

More rain in a single day than Hervey Bay usually gets in the whole month of March (typical March total about 5.6 in).

The three most extreme on record

1 10.29 in Mar 9, 2025recent
2 8.03 in May 11, 1999
3 6.94 in Aug 25, 2007

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° all-time high 98°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Hervey Bay's record heat sits well above even a hot day for the season — December's 98°F is about 13°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, Hervey Bay'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 98°F and as low as 29°F. A single day has delivered over 10 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 Maryborough, a weather station, about 26 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →