Located in the Southeast Asian monsoon belt, Rangoon has a tropical climate with three distinct seasons: monsoon, cool, and hot. During the monsoon season, mid-May through mid-October, Rangoon receives most of its 100-inch plus average annual rainfall. Temperatures are moderate (75°F-90°F), but relative humidity is high. During the monsoon, dampness and mildew can cause serious damage to clothing, furniture, books, records, electrical appliances, and leather goods.
In mid-November, after a brief period of warm, humid weather, the cool season begins from then until March, weather is pleasant (60°F-90°F) with lower humidity and almost no rain. Days are sunny and clear; nights are cool. In March, temperatures and humidity rise until the monsoon begins in mid-May. During the March-May hot season, the weather is hot and humid, usually rising in the day to over 100°F. As at most tropical posts, insects and snakes are numerous year round.