Climate zone: The northern parts of Bangladesh are in the subtropics, the southern regions in the tropics.
With a yearly average of 31 °C the climate in Bangladesh ist warm, but has only a few really tropical and sticky months. It is yearlong warm or hot. Dued to the lesser rain the best time for traveling is from November to March. The most rain days occur from from May to September.Days with heavy rain and large amounts of precipitation are in November.
› Duration of daylight and sunshine in Bangladesh
hours of sunshine per day rainy days per month Precipitation in mm/day Relative humidity in % Absolute humidity in g/m³ (approx.)
Temperature records of the last 73 years
The hottest temperature measured from 1947 to April 2020 was reported by the Jessore weather station. In April 2020 the record temperature of 38.8 °C was reported here. The hottest summer from July to September, based on all 13 weather stations in Bangladesh below 40 metres altitude, was recorded in 1978 with an average temperature of 29.2 °C. This average temperature will normally be measured every 4 to 6 hours, thus also including the nights. Normally, this value is 28.5 degrees Celsius.
The coldest day in these 73 years was reported by the weather station Ishwardi. Here the temperature dropped to 14.2 °C in March 2020. Ishwardi lies at an altitude of 14 meters above sea level. The coldest winter (January to March) was in 1989 with an average temperature of 18.3 °C. In Bangladesh, it is usual to have about 3.4 degrees more at 21.7 °C for this three-month period.
Data basis: German Weather Service, individual values averaged and supplemented by own elements.