Myanmar Daily Weather Report

Myanmar Daily Weather Report

 (Issued at 2:00 pm Wednesday 20th May, 2026)

SUMMARY OF OBSERVATIONS RECORDED FROM YESTERDAY MORNING 09:30 hrs M.S.T TODAY MORNING 09:30 hrs M.S.T: During the past 24 hours, rain or thundershowers have been widespread in Taninthayi Region, Kayin and Mon States, fairly widespread in Southern Shan State, scattered in Bago Region and Northern Shan State and isolated in Yangon, Mandalay, Magway Regions and Kachin State. Weather has been partly cloudy in the remaining Regions and States. Day temperatures 3°C above May average temperatures in Bago, Magway, Upper Sagaing, Ayeyarwady Regions and Kachin, Eastern Shan States, 2°C above May average temperatures in Yangon, Mandalay, Lower Sagaing Regions and (Northern and Southern) Shan State and 4°C below May average temperature in Taninthayi Region and about May average temperatures in the remaining Regions and States. The significant day temperatures were 41.6°C in Magway, 40.8°C in Minbu, 40.6°C in Chauk,  40.5°C in Nyaung Oo, 40.0°C in Nyaunglaybin, 39.9°C in Sinbyugyun, 39.6°C in Gangaw, 39.5°C each in Monywa and Myinmu and 39.3°C in Kalay on 19-5-2026. The noteworthy amount of rainfall recorded were 2.80 inches in Mawlamyine, 2.76 inches in Ye, 1.97 inches in Kawthaung, 1.94 inches in Hpa-an (Agro-Met), 1.89 inches in Mudon, 1.76 inches in Kyaikkhame, 1.57 inches each in Hpa-an and Paung, 1.26 inches in Heho and 1.22 inches in Dawei. 

BAY INFERENCE:  Monsoon is strong over the Andaman Sea and Southeast Bay of Bengal. Weather is cloudy over the Westcentral Bay of Bengal and a few cloud to partly cloudy elsewhere over the Bay of Bengal.

FORECAST VALID UNTIL MORNING OF THE 21st May 2026: Weather will be partly cloudy in Lower Sagaing Region and Northern Shan State. Rain or thundershowers will be widespread in Taninthayi Region and Kayin, Mon States, scattered in Naypyitaw, Yangon, Bago, Ayeyarwady Regions and Kayah, Southern Shan States and isolated in the remaining Regions and States with likelihood of isolated heavyfall in Mon State. Degree of certainty is 100%. 

THE CONDITION OF CUMULONIMBUS CLOUD: The Cumulonimbus clouds are developing in Naypyitaw, Yangon, Mandalay, Magway, Ayeyarwady, Taninthayi Regions and Kayah, Kayin, Mon, Rakhine, Southern Shan States. The area along the Cumulonimbus clouds movement, the weather phenomena such as strong winds accompanied with rain, thunder, lightning and hail may occur and therefore it is recommended to be aware in advance these phenomena.

STATE OF THE SEA: STATE OF THE SEA: Squalls with moderate to rough seas are likely at times in Deltaic, Gulf of Mottama, off and along Mon-Taninthayi Coasts. Surface wind speed in squalls may reach 30-35 mph. Wave height will be about 7-9 feet in Deltaic, Gulf of Mottama, off and along Mon-Taninthayi Coasts. Sea will be moderate elsewhere in Myanmar waters. Wave height will be about 5-7 feet off and along Rakhine Coast.

OUTLOOK FOR SUBSEQUENT TWO DAYS: Likelihood of increase of rain in Yangon, Bago, Ayeyarwady, Taninthayi Regions and Kayah, Kayin, Mon States. 

FORECAST FOR NAYPYITAW AND NEIGHBOURING AREA FOR 21st May 2026:             Isolated rain or thundershowers. Degree of certainty is 80%.

FORECAST FOR YANGON AND NEIGHBOURING AREA FOR 21st May 2026:                  Isolated rain or thundershowers. Degree of certainty is 80%.

FORECAST FOR MANDALAY AND NEIGHBOURING AREA FOR 21st May 2026:                      Likelihood of isolated rain or thundershowers. Degree of certainty is 60%.