Surin, Thailand experiences a warm climate year-round, with distinct seasonal variations. The coolest months are typically January and December, with average temperatures ranging from 22-23°C, while the hottest months occur in March and April, when temperatures often reach as high as 40°C, though averages remain steady around 29-30°C. May to October is characterized by relatively consistent temperatures, averaging around 27-30°C, with slight dips during the latter half of this period. June to August brings slightly cooler temperatures, averaging around 28°C, but still warm overall. The temperature drops again in November and December, returning to its coolest state, averaging around 23-26°C.