Lamphun is located in the tropical area whose weather is cool in the winter. Being situated farther inland away from the sea, it has the longest drought or dry season. The weather in the summer is very hot.

Lamphun’s climate is distinctly divided into 3 seasons: Hot from March – April, Rainy from May – October and Cool from November – February (considered by the local people as hot, rainy and cold seasons).

The dry season, which is between the cold and the hot season is the longest period lasting approximately 6 months, and its temperatures fluctuate somewhat between that of the two seasons.