Phatthaya's weather is characterized by warm temperatures throughout the year, with no distinct cool season. The average temperature ranges from 25-30°C, with slight variations between months. April and May are the hottest periods, with high temperatures reaching up to 37°C, while January and December have slightly cooler averages of around 26-27°C. The temperature fluctuations are relatively small throughout the year, with no significant drop in temperature during the winter months. Overall, Phatthaya's climate is warm and sunny for most of the year.