Climate in Bangladesh

Bangladesh has a highly diverse climate, with major differences between regions. Annual temperatures range from lows of -59°C in the coldest regions to highs of 45°C in the warmest areas. Annual precipitation ranges from 6mm in drier regions to 393mm in wetter parts of the country. Some regions receive significant snowfall, with up to 185cm annually, while other areas see little to none. The warmest areas are hot year-round while the coldest regions remain very cold, making Bangladesh a country of sharp climate contrasts.

Temperature patterns across Bangladesh vary by region, with distinct differences between areas. The Northwest is the warmest part of the country, with peak temperatures reaching 45°C and an annual average of 32°C. Cooler conditions are found in the Southwest, where winter lows drop to -59°C and an annual average of -47°C. This 78°C difference in annual averages between regions means travellers can experience vastly different conditions depending on which part of Bangladesh they visit. The biggest regional differences emerge in summer, with up to 85°C variation across the country. For example, Mohāmmadpur in the Rājshāhi Division averages 32°C annually, while Khulna in the Khulna Division averages -47°C.

Bangladesh sees notable variation in rainfall across its regions, ranging from 6mm to 393mm per year. The Central receives the most rainfall, at approximately 393mm annually. The Southeast is the driest, with around 6mm per year. Winter tends to be the wetter season across most of Bangladesh, though precipitation occurs throughout the year. The North sees the most snowfall, with up to 185cm annually, while other parts of the country receive little to none. Travellers should pack rain gear when visiting wetter areas, while drier regions offer more favourable conditions throughout the year.