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Weather extremes

How extreme does Chumphon's weather get?

The hottest, coldest, wettest and snowiest days Chumphon 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 Chumphon station 1 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 Chumphon has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
103°F May 5, 2024

That is about 11°F hotter than a normal May afternoon in Chumphon (typical high near 92°F).

The three most extreme on record

1 103°F May 5, 2024recent
2 102°F Jun 1, 1991
3 102°F Apr 13, 1998
❄️ Coldest night
54°F Dec 30, 1975

About 17°F colder than a normal December night in Chumphon (typical low near 71°F).

The three most extreme on record

1 54°F Dec 30, 1975
2 54°F Jan 15, 1976
3 55°F Dec 26, 1999
🌧️ Most rain in one day
16.67 in Jan 8, 1975

More rain in a single day than Chumphon usually gets in the whole month of January (typical January total about 2.7 in).

The three most extreme on record

1 16.67 in Jan 8, 1975
2 10.57 in Dec 5, 2017
3 9.92 in Aug 24, 1997

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 103°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Chumphon's record heat sits well above even a hot day for the season — May's 103°F is about 11°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, Chumphon's warmest days reach the mid-90s°F and its coldest nights drop to the low 70s°F. But across the record it has gone as high as 103°F and as low as 54°F. A single day has delivered over 17 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 24 years of daily observations at Chumphon, a weather station, about 1 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →