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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

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.

Monthly hours of sunshine

Daily hours of sunshine

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:
  • When is the rainy season in Chittagong?
    Rainy season in Chittagong occurs in the months of May, June, July, August, September and October.
  • Does Chittagong have a dry season?
    Yes, the months of January, February and December are very dry.
  • Which is the warmest month in Chittagong?
    April has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Chittagong?
    The coldest month is January with an average maximum temperature of 25°C.
  • Which is the wettest month in Chittagong?
    July tops the wettest month list with 568 mm of rainfall.
  • Which is the driest month in Chittagong?
    January is the driest month with 7 mm of precipitation.
  • Which is the sunniest month in Chittagong?
    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.

    Forecast for Chittagong

    Thu   Nov 21
    30°C | 21°C
    NW 11 km/h
    clear and no rain

    clear and no rain

    Fri   Nov 22
    30°C | 20°C
    NW 7 km/h
    clear and no rain

    clear and no rain

    Sat   Nov 23
    30°C | 19°C
    NW 7 km/h
    clear and no rain

    clear and no rain