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Weather extremes

How extreme does Cilacap's weather get?

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

Based on 34 years of daily weather observations (1991–present), from the Cilacap station 1 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 Cilacap has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
104°F Jun 17, 2009

That is about 17°F hotter than a normal June afternoon in Cilacap (typical high near 87°F).

The three most extreme on record

1 104°F Jun 17, 2009
2 103°F Sep 3, 1993
3 102°F Sep 30, 1993
❄️ Coldest night
57°F May 11, 2003

About 19°F colder than a normal May night in Cilacap (typical low near 77°F).

The three most extreme on record

1 57°F May 11, 2003
2 57°F Mar 15, 2009
3 58°F May 28, 2011
🌧️ Most rain in one day
7.92 in Nov 1, 2005

About 84% of a typical November's rain in a single day (Cilacap averages roughly 9.4 in across the month).

The three most extreme on record

1 7.92 in Nov 1, 2005
2 7.80 in Nov 28, 2024
3 7.76 in May 23, 2005

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 104°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Cilacap's record heat sits well above even a hot day for the season — June's 104°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, Cilacap's warmest days reach the high 80s°F and its coldest nights drop to the low 70s°F. But across the record it has gone as high as 104°F and as low as 57°F. A single day has delivered over 8 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 28 years of daily observations at Cilacap, a weather station, about 1 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →