Kampong Speu's climate is warm and humid year-round, with temperatures gradually increasing from January to April before peaking in March and April. The high temperatures are consistently above 35°C during these months, while the cooler months of December and June see temperatures dip slightly below 21°C. From May to October, the temperature range stabilizes around an average of 28-30°C, with minimal variation throughout the year. July and August experience similar temperature patterns, but September and October bring a slight drop in maximum temperatures. Overall, Kampong Speu's climate is characterized by high humidity and warm temperatures, with little seasonal change.