Chittagong Weather & Climate: Best Time to Visit
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.
Monthly Temperature in Chittagong
The climate in Chittagong remains fairly constant, offering comfortable temperatures throughout the year. On average, daytime temperatures range from a very warm 32°C (90°F) in April to a comfortable 25°C (77°F) in January.
Nighttime temperatures range from 27°C (81°F) in April to 17°C (63°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Chittagong
Chittagong is known for its substantial rainfall, with annual precipitation reaching 2651 mm (104 in). The seasons in Chittagong bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 568 mm (22 in) of precipitation. This rainfall is distributed across 19 rainy days.
In contrast, the driest month, January, experiences much less rainfall, totaling 6.5 mm (0.3 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Chittagong Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Chittagong
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.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Chittagong by Month
The relative humidity is high throughout the year in Chittagong.
The city experiences its highest humidity in July, reaching 86%. In February, the humidity drops to its lowest level at 70%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Chittagong
The mean wind speed over the year ranges from () in May, July, August, September, October, November and December to 3 m/s (6 knots) in February, March and June. What does this mean?
The mean monthly wind speed over the year (meters per second)
Chittagong 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Chittagong
In general, temperatures in Chittagong range from 25°C (77°F) to 32°C (90°F) across the year, with January, February, March, April, November and December being the best time to visit for those who prefer drier weather.Make your experience more enjoyable by planning to be outside during the cooler parts of the day, either early morning or as the sun begins to set. Visitors should note that May, June, July, August, September and October are part of the rainy season, bringing substantial rainfall. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.