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Weather extremes

How extreme does Chongjin's weather get?

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

🔥 Hottest day
95°F Jul 23, 2018

That is about 20°F hotter than a normal July afternoon in Chongjin (typical high near 75°F).

The three most extreme on record

1 95°F Jul 23, 2018
2 94°F May 29, 2000
3 93°F Sep 4, 1994
❄️ Coldest night
-8°F Jan 24, 2018

About 23°F colder than a normal January night in Chongjin (typical low near 15°F).

The three most extreme on record

1 -8°F Jan 24, 2018
2 -6°F Jan 23, 2018
3 -5°F Jan 26, 2018
🌧️ Most rain in one day
10.51 in Jul 21, 1998

More rain in a single day than Chongjin usually gets in the whole month of July (typical July total about 5.0 in).

The three most extreme on record

1 10.51 in Jul 21, 1998
2 7.60 in Sep 7, 2020
3 6.57 in Jul 7, 2002

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 95°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Chongjin's record heat sits well above even a hot day for the season — July's 95°F is about 20°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, Chongjin's warmest days reach the high 70s°F and its coldest nights drop to the mid-10s°F. But across the record it has gone as high as 95°F and as low as −8°F. A single day has delivered over 11 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 Chongjin, 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 →