Climate Overview
Bangladesh has a relatively uniform climate throughout the country. Annual temperatures range from lows of 11°C in the coldest regions to highs of 36°C in the warmest areas. Rainfall varies dramatically, from around 1463mm annually in the driest areas to 4424mm in the wettest. Conditions across Bangladesh are broadly hot, with only modest differences between regions.
Temperature by Region
Temperature patterns across Bangladesh vary by region, with distinct differences between areas. The West is the warmest part of the country, with peak temperatures reaching 36°C and an annual average of 26°C. Cooler conditions are found in the Northwest, where winter lows drop to 11°C and an annual average of 25°C. Despite some regional variation, the 2°C difference in annual averages means conditions are broadly similar across Bangladesh. Regional temperature differences remain relatively consistent across seasons, with around 3°C of variation in both summer and winter. For example, Khulna in the Khulna Division averages 26°C annually, while Rangpur in the Rangpur Division averages 25°C.
Precipitation by Region
Precipitation varies dramatically across Bangladesh, with annual totals ranging from 1463mm in the driest region to 4424mm in the wettest. The Northeast receives the most rainfall, at approximately 4424mm annually. The Northwest is the driest, with around 1463mm per year. Rainfall across the country is strongly seasonal, with summer months bringing significantly more precipitation than winter. Travellers should pack rain gear when visiting wetter areas, while drier regions offer more favourable conditions throughout the year.