Chittagong Climate by Month
The weather of Chittagong is characterised by tropical monsoon climate. The dry and cool season is from November to March; pre-monsoon season is from April to May which is very hot. The sunny and the monsoon season is from June to October, which is warm, cloudy and wet.
Average day and night temperature
The climate in Chittagong remains fairly constant, offering comfortable temperatures throughout the year. On average, daytime temperatures range from a very warm 32°C in April to a comfortable 25°C in January. Nighttime temperatures can drop, with averages reaching 17°C in January.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Chittagong is known for its substantial rainfall, with annual precipitation reaching 2651 mm. The seasons in Chittagong, bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 568 mm of precipitation. This rainfall is distributed across 19 rainy days. In contrast, the driest month, January, experiences much less rainfall, totaling 6.5 mm over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Chittagong, summer days are longer and more sunny, with daily sunshine hours peaking at 9.3 hours in March. As the darker season arrives, the brightness of the sun becomes less. July sees a soft sun for only 3.5 hours per average day.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Chittagong.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Chittagong ranges from 0°C in May to 3°C in February.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Chittagong in Bangladesh
Chittagong has high temperatures year round ranging between 25°C and 31°C.The best time to visit is during the drier months: January, February, March, November and December.
Other facts from our historical weather data:
Rainy season in Chittagong occurs in the months of May, June, July, August, September and October.
Yes, the months of January, February and December are very dry.
April has an average maximum temperature of 32°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 25°C.
July tops the wettest month list with 568 mm of rainfall.
January is the driest month with 7 mm of precipitation.
March is the sunniest month with an average of 278 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
