Si Satchanalai has a tropical savanna climate. The winters are dry and very hot. Temperatures rise until April, the hottest month with frequent temperature rises up to at 40 °C and higher. The rainy season runs from May to October with slightly cooler temperatures during the day, although the nights remain warm.
In Si Satchanalai, August and September are the rainiest months.
See weather forecast in Si Satchanalai