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Weather extremes

Komsomolsk-on-Amur's weather extremes

The hottest, coldest, wettest and snowiest days Komsomolsk-on-Amur has recorded — the outer limits of what its weather can do. This station's daily record ended in 2023, so these are historical extremes from that period, not records updated to today.

Based on 50+ years of daily weather observations (1971–2023), from the Komsomolsk-Na-Amure station 3 km away. Updated through July 2023 — 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 Komsomolsk-on-Amur has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
100°F Aug 21, 1975

That is about 25°F hotter than a normal August afternoon in Komsomolsk-on-Amur (typical high near 75°F).

The three most extreme on record

1 100°F Aug 21, 1975
2 97°F Jul 24, 1974
3 97°F Jul 31, 1988
❄️ Coldest night
-48°F Jan 9, 2011

About 32°F colder than a normal January night in Komsomolsk-on-Amur (typical low near -16°F).

The three most extreme on record

1 -48°F Jan 9, 2011
2 -48°F Feb 8, 2019
3 -47°F Jan 6, 1977
🌧️ Most rain in one day
3.31 in Sep 8, 2019

About 92% of a typical September's rain in a single day (Komsomolsk-on-Amur averages roughly 3.6 in across the month).

The three most extreme on record

1 3.31 in Sep 8, 2019
2 3.23 in Dec 9, 1975
3 2.76 in Sep 5, 2018

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° all-time high 100°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Komsomolsk-on-Amur's record heat sits well above even a hot day for the season — August's 100°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, Komsomolsk-on-Amur's warmest days reach the low 80s°F and its coldest nights drop to the low -10s°F. But across the record it has gone as high as 100°F and as low as −48°F. A single day has delivered over 3 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 — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.

Precipitation — 1991–2020 normals computed from 10 years of daily observations at Komsomolsk-na-amure, a weather station, about 3 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →