From october till March is the cool and dry season in most part of Myanmar, when one can enjoy a nice,bright and sunny weather with clear blue sky.It is considered as the peak tourist season as the weather is most agreeable with milder temperatures and coincident with several common in ternational holidays.The average day temperature in areas like Yangon,Maanadalay and Bagan can be between 25 and 35 degree Celsius but the night time and early morning temperature is between 15 and 25 degree Celsius.The temperature on Shan Mountains (Inle Lake and Kyaing Tong).can be slightly above the freezing point at night time and pleasantly cool during the day time. In the northern Kachoin state temperature can drop below freezing point.
From June till September is the monsoon season.The coastal and delta region of Myanmar received afternoon and early evening shower daily.Rainy season is considered as an off-peak period for tourism in Myanmar.However, the rainy season is also a good time to visit as a lot of areas have very pleasant rains with milder tropical temperatures.The rainy seaon makes green scenery everywhere. The raing keeps the dust down in some dusty area like Baganand Mandalay. Photographers will have great sunset and sunrise pictures due the cloud formation in the rainy season.Another good reason is that visitors would reveive discounted low-season prices in hotels and airlines.
April and May is the hottest months,when maximun temperatures in many parts of the country exced 40 degree Celsius.