With a population of around 21,900, Phanat Nikhom sits in Chon Buri, Thailand. The city operates in the Indochina time zone.
In 2025, Phanat Nikhom recorded an average annual temperature of 81°F. The hottest temperatures reached 97°F in March; the coolest were 60°F in January. Total precipitation for the year was 65 inches, with the wettest month being September.
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