Heavy pre-monsoon rain and summer heat in monsoon are changing the normal weather pattern of the country, sounding the warnings of climate change threat.
Prolonged rain before the monsoon and heat wave during the season badly affected crops across the country, putting farmers to misery.
The onrush of upstream water and flash flood in the north-eastern region also affected the people living in the area.
Bangladesh has a subtropical monsoon climate characterized by wide seasonal variations in rainfall, high temperatures and humidity.
There are three distinct seasons in Bangladesh - a hot and humid summer from March to June, a cool and rainy monsoon from June to October, and a cool and dry winter from October to March.
Since 2017, the country witnessed excessive rainfall during summer and pre-monsoon period while heat wave was not extreme during the time.
In the last two years, people did not witness extreme summer temperature due to heavy rainfall during summer.
In the last 15 months from May, 2018, the country witnessed excessive rainfall than the average level, according to Bangladesh Meteorological Department.
