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Weather extremes

How extreme does Nong Khai's weather get?

The hottest, coldest, wettest and snowiest days Nong Khai 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 Nong Khai station 2 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 Nong Khai has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
113°F May 6, 2020

That is about 18°F hotter than a normal May afternoon in Nong Khai (typical high near 94°F).

The three most extreme on record

1 113°F May 6, 2020
2 111°F May 7, 2023
3 110°F Apr 12, 2005
❄️ Coldest night
41°F Dec 24, 1999

About 22°F colder than a normal December night in Nong Khai (typical low near 63°F).

The three most extreme on record

1 41°F Dec 24, 1999
2 42°F Dec 25, 1999
3 43°F Dec 23, 1999
🌧️ Most rain in one day
12.06 in Jul 31, 2011

More rain in a single day than Nong Khai usually gets in the whole month of July (typical July total about 11.9 in).

The three most extreme on record

1 12.06 in Jul 31, 2011
2 6.75 in Jun 25, 2024
3 5.87 in Jun 16, 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.

30°50°70°90°110°130° all-time high 113°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Nong Khai's record heat sits well above even a hot day for the season — May's 113°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, Nong Khai's warmest days reach the high 90s°F and its coldest nights drop to the low 60s°F. But across the record it has gone as high as 113°F and as low as 41°F. A single day has delivered over 12 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 Nong Khai, a weather station, about 2 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →