The climate in Bangladesh

Average daytime and nighttime temperatures

All climatic diagrams of this page are taken from the collected data from 21 measuring stations in Bangladesh.
Weather stations at an altitude above 1300m have not been included.
All data correspond to the average monthly values of the last 20 years.

Back to overview: Bangladesh

Climate zone: The northern parts of Bangladesh are in the subtropics, the southern regions in the tropics.

With a yearly average of 30 °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. Most precipitation decrease from May to September.

Duration of daylight and sunshine in Bangladesh

hours of sunshine per daySunshine hours per day in Bangladesh
rainy days per monthRainy days per month in Bangladesh
Precipitation in mm/dayPrecipitation in Bangladesh
Relative humidity in %Relative humidity in Bangladesh
Absolute humidity in g/m³ (approx.)Absolute humidity in Bangladesh
Climate charts for other regions in Bangladesh

Temperature records of the last 74 years

The hottest temperature measured from 1947 to December 2021 was reported by the Chittagong Airp weather station. In August 2020 the record temperature of 39.5 °C was reported here. The hottest summer from July to September, based on all 16 weather stations in Bangladesh below 1300 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 28.4 degrees Celsius.

The coldest day in these 74 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 18.2 °C. In Bangladesh, it is usual to have about 3.4 degrees more at 21.6 °C for this three-month period.

The most precipitation fell in Juli 1954. With 61.3 mm per day, the Saidpur weather station recorded the highest monthly average of the last 74 years. Incidentally, the region with the most rainfall for the whole year is around Sylhet. The driest region is near Ishwardi.

Data basis: German Weather Service, individual values averaged and supplemented by own elements.