Weather in Chittagong, Chittagong Division
Chittagong is a large and bustling city located in Chittagong Division, Bangladesh. The city lies at approximately 22.4°N latitude, placing it in the tropical wet and dry climate zone.
Climate Overview
The monsoon dominates the climate of Bangladesh from June through September. Rivers swell, fields flood and humidity hovers above 85% across most of the country. Chittagong's year splits into three broad phases — summer (March–June), monsoon (July–September) and post-monsoon/winter (October–February). Each has its own character and forecast challenges.
Weather by season in Chittagong
Chittagong's year divides into four broad seasons. The southwest monsoon normally arrives around 6 June. Daytime figures below are typical lowland values for this latitude — hill stations sit markedly cooler.
- Winter (Dec–Feb): days around 26°C, nights around 12°C. Mild, dry and one of the most pleasant times to visit.
- Summer / pre-monsoon (Mar–Jun): days around 35°C, nights around 25°C. Warm and humid, building towards the monsoon.
- Monsoon (Jul–Sep): days around 32°C, nights around 26°C. Frequent rain and high humidity; the wettest part of the year.
- Post-monsoon (Oct–Nov): days around 31°C, nights around 20°C. Skies clear and temperatures ease — comfortable and settled.
Today's Weather in Chittagong
The current weather conditions in Chittagong are updated every hour from the ECMWF global model via Open-Meteo. You can see real-time temperature, humidity, wind speed and air quality at the top of this page.
Hourly Forecast
Our hourly forecast for Chittagong covers the next 24 hours with temperature, wind speed and rain probability so you can plan around showers and thunderstorms.
7-Day Weather Forecast for Chittagong
The 7-day forecast for Chittagong shows daily high and low temperatures, expected weather conditions and rain probability — useful for planning trips, events or agricultural activities in the Chittagong Division region.
Air Quality in Chittagong
Air quality in Chittagong is measured using the European Air Quality Index, with PM2.5 and PM10 particulate matter readings displayed alongside the live forecast. In larger cities like Chittagong, AQI can deteriorate sharply from October to January. A mask and limited outdoor time can help on the worst days.
Quick facts about Chittagong
Chittagong has a population of about 25,92,439; sits at 22.36°N; and is in Bangladesh; its monsoon typically arrives in early June.
Common spellings
The Hindi word for weather, मौसम, is transliterated in many ways: mausam, mosam, mausham, musam, mosum, moshm, mausm. All refer to the same concept — the current weather conditions, today's temperature and the forecast you'll find for Chittagong on this page.
Nearby Cities in Chittagong Division
Explore weather forecasts for other cities in Chittagong Division. See the "More in Chittagong Division" section above, or browse the full list on our states page.