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Weather extremes

How extreme does Kaifeng's weather get?

The hottest, coldest, wettest and snowiest days Kaifeng 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 Zhengzhou station 61 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 Kaifeng has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
108°F Jun 11, 1972

That is about 18°F hotter than a normal June afternoon in Kaifeng (typical high near 90°F).

The three most extreme on record

1 108°F Jun 11, 1972
2 108°F Jun 8, 2011
3 108°F Jun 24, 2022
❄️ Coldest night
0°F Dec 27, 1971

About 30°F colder than a normal December night in Kaifeng (typical low near 30°F).

The three most extreme on record

1 0°F Dec 27, 1971
2 0°F Feb 1, 1990
3 3°F Jan 31, 1990
🌧️ Most rain in one day
7.46 in Jul 2, 1978

More rain in a single day than Kaifeng usually gets in the whole month of July (typical July total about 6.0 in).

The three most extreme on record

1 7.46 in Jul 2, 1978
2 7.43 in Jul 20, 2021
3 6.82 in Aug 10, 1983

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.

-10°10°30°50°70°90°110°130° all-time high 108°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Kaifeng's record heat sits well above even a hot day for the season — June's 108°F is about 18°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, Kaifeng's warmest days reach the low 90s°F and its coldest nights drop to the mid-20s°F. But across the record it has gone as high as 108°F and as low as 0°F. A single day has delivered over 7 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 23 years of daily observations at Zhengzhou, a weather station, about 61 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →