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Weather extremes

How extreme does Kunming's weather get?

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

🔥 Hottest day
91°F May 24, 2014

That is about 14°F hotter than a normal May afternoon in Kunming (typical high near 77°F).

The three most extreme on record

1 91°F May 24, 2014
2 91°F May 25, 2014
3 91°F Jun 4, 2014
❄️ Coldest night
18°F Dec 29, 1983

About 23°F colder than a normal December night in Kunming (typical low near 41°F).

The three most extreme on record

1 18°F Dec 29, 1983
2 20°F Dec 27, 1982
3 22°F Jan 1, 1974
🌧️ Most rain in one day
6.51 in Jun 7, 1986

About 89% of a typical June's rain in a single day (Kunming averages roughly 7.3 in across the month).

The three most extreme on record

1 6.51 in Jun 7, 1986
2 4.76 in Jul 2, 2008
3 4.52 in Sep 9, 2019

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° all-time high 91°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Kunming's record heat sits well above even a hot day for the season — May's 91°F is about 14°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, Kunming's warmest days reach the high 70s°F and its coldest nights drop to the high 30s°F. But across the record it has gone as high as 91°F and as low as 18°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 22 years of daily observations at Kunming, 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 →