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Weather extremes

How extreme does Barnaul's weather get?

The hottest, coldest, wettest and snowiest days Barnaul 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 (1971–present), from the Barnaul station 16 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 Barnaul has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
101°F Aug 11, 2002

That is about 25°F hotter than a normal August afternoon in Barnaul (typical high near 76°F).

The three most extreme on record

1 101°F Aug 11, 2002
2 100°F Jul 11, 1974
3 99°F May 26, 1980
❄️ Coldest night
-55°F Jan 6, 2001

About 49°F colder than a normal January night in Barnaul (typical low near -6°F).

The three most extreme on record

1 -55°F Jan 6, 2001
2 -54°F Jan 7, 2001
3 -47°F Jan 25, 2006
🌧️ Most rain in one day
3.90 in Jul 31, 2022

More rain in a single day than Barnaul usually gets in the whole month of July (typical July total about 2.8 in).

The three most extreme on record

1 3.90 in Jul 31, 2022recent
2 2.60 in Jul 22, 1990
3 2.51 in Jul 21, 1979

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.

-70°-50°-30°-10°10°30°50°70°90°110°130° all-time high 101°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Barnaul's record heat sits well above even a hot day for the season — August's 101°F is about 25°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, Barnaul's warmest days reach the high 70s°F and its coldest nights drop to the low 0s°F. But across the record it has gone as high as 101°F and as low as −55°F. A single day has delivered over 4 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 Barnaul, a weather station, about 16 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →