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Weather extremes

How extreme does Bielsko-Biala's weather get?

The hottest, coldest, wettest and snowiest days Bielsko-Biala 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 Bielsko-Biala station 4 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 Bielsko-Biala has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
98°F Aug 8, 2013

That is about 23°F hotter than a normal August afternoon in Bielsko-Biala (typical high near 75°F).

The three most extreme on record

1 98°F Aug 8, 2013
2 96°F Jul 29, 2013
3 94°F Jul 28, 2013
❄️ Coldest night
-15°F Dec 28, 1996

About 42°F colder than a normal December night in Bielsko-Biala (typical low near 27°F).

The three most extreme on record

1 -15°F Dec 28, 1996
2 -13°F Jan 24, 2006
3 -13°F Dec 27, 1996
🌧️ Most rain in one day
5.88 in Sep 15, 2024

More rain in a single day than Bielsko-Biala usually gets in the whole month of September (typical September total about 4.5 in).

The three most extreme on record

1 5.88 in Sep 15, 2024recent
2 5.01 in Jun 4, 2024
3 4.44 in Jul 28, 2025

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°-10°10°30°50°70°90°110° all-time high 98°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Bielsko-Biala's record heat sits well above even a hot day for the season — August's 98°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, Bielsko-Biala's warmest days reach the mid-70s°F and its coldest nights drop to the mid-20s°F. But across the record it has gone as high as 98°F and as low as −15°F. A single day has delivered over 6 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 Bielsko-biala, a weather station, about 4 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →