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Weather extremes

How extreme does Pernik's weather get?

The hottest, coldest, wettest and snowiest days Pernik 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 Sofia station 32 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 Pernik has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
106°F Jul 5, 2000

That is about 22°F hotter than a normal July afternoon in Pernik (typical high near 83°F).

The three most extreme on record

1 106°F Jul 5, 2000
2 106°F Jul 24, 2007
3 104°F Jul 26, 2000
❄️ Coldest night
-13°F Feb 8, 2006

About 38°F colder than a normal February night in Pernik (typical low near 25°F).

The three most extreme on record

1 -13°F Feb 8, 2006
2 -11°F Jan 6, 1993
3 -11°F Jan 7, 1993
🌧️ Most rain in one day
12.72 in Sep 8, 2002

More rain in a single day than Pernik usually gets in the whole month of September (typical September total about 2.6 in).

The three most extreme on record

1 12.72 in Sep 8, 2002
2 11.93 in Apr 12, 1993
3 8.82 in Jul 20, 1992

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°130° all-time high 106°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Pernik's record heat sits well above even a hot day for the season — July's 106°F is about 22°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, Pernik's warmest days reach the mid-80s°F and its coldest nights drop to the low 20s°F. But across the record it has gone as high as 106°F and as low as −13°F. A single day has delivered over 13 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 29 years of daily observations at Sofia, a weather station, about 32 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →