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Weather extremes

How extreme does Lamphun's weather get?

The hottest, coldest, wettest and snowiest days Lamphun 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 Lamphun station 3 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 Lamphun has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
111°F May 12, 2016

That is about 16°F hotter than a normal May afternoon in Lamphun (typical high near 96°F).

The three most extreme on record

1 111°F May 12, 2016
2 110°F Apr 27, 2024
3 110°F May 10, 2016
❄️ Coldest night
38°F Dec 24, 1999

About 22°F colder than a normal December night in Lamphun (typical low near 61°F).

The three most extreme on record

1 38°F Dec 24, 1999
2 38°F Dec 25, 1999
3 40°F Dec 27, 1999
🌧️ Most rain in one day
6.13 in Aug 23, 2002

About 79% of a typical August's rain in a single day (Lamphun averages roughly 7.7 in across the month).

The three most extreme on record

1 6.13 in Aug 23, 2002
2 4.58 in Aug 31, 2019
3 4.04 in May 8, 2023

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°30°50°70°90°110°130° all-time high 111°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Lamphun's record heat sits well above even a hot day for the season — May's 111°F is about 16°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, Lamphun's warmest days reach the low 100s°F and its coldest nights drop to the high 50s°F. But across the record it has gone as high as 111°F and as low as 38°F. A single day has delivered over 6 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 Chiang Mai Intl, a weather station, about 21 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →