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Weather extremes

How extreme does Banjarmasin's weather get?

The hottest, coldest, wettest and snowiest days Banjarmasin 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 (1973–present), from the Syamsudin Noor station 23 km away. Updated through August 2025 — 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 Banjarmasin has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
108°F Jun 13, 1993

That is about 18°F hotter than a normal June afternoon in Banjarmasin (typical high near 90°F).

The three most extreme on record

1 108°F Jun 13, 1993
2 104°F Jan 12, 2000
3 103°F Dec 22, 2008
❄️ Coldest night
55°F Jun 29, 1979

About 19°F colder than a normal June night in Banjarmasin (typical low near 74°F).

The three most extreme on record

1 55°F Jun 29, 1979
2 56°F Jul 17, 2000
3 59°F Jan 14, 1979
🌧️ Most rain in one day
5.12 in Jan 22, 1979

About 84% of a typical January's rain in a single day (Banjarmasin averages roughly 6.1 in across the month).

The three most extreme on record

1 5.12 in Jan 22, 1979
2 4.72 in May 29, 1980
3 4.30 in Nov 30, 2002

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 108°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Banjarmasin's record heat sits well above even a hot day for the season — June's 108°F is about 18°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, Banjarmasin's warmest days reach the low 90s°F and its coldest nights drop to the low 70s°F. But across the record it has gone as high as 108°F and as low as 55°F. A single day has delivered over 5 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 21 years of daily observations at Syamsudin Noor, a weather station, about 23 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →