Climate and monthly weather forecastChittagong, Bangladesh

The climate of Chittagong

Boasting an Am climate according to the Köppen climate classification, Chittagong, Bangladesh experiences tropical monsoon conditions accentuated by heavy rainfall and high humidity levels. This notable coastal city endures warm and often hot temperatures with high humidity levels throughout the year.

Observing the annual weather patterns, temperatures fluctuate between 15.8°C (60.4°F) to 32°C (89.6°F). High temperatures rise above 24°C (75.2°F) and peak in May at 32°C (89.6°F), while the lowest temperatures dip to around 15.8°C (60.4°F) in January. January, being the coldest month, slightly departs from the overall climate trend, offering a relatively mild and comfortable break from the usual heat. On the contrary, May emerges as the warmest month with temperatures hitting the 32°C (89.6°F) limit.

Concerning precipitation, the city receives substantial amounts of rainfall, recording up to 1984mm (78.11") annually. Rainfall substantially increases from May onwards and soaks the city throughout the summer until October, with July receiving the highest downpour at 414mm (16.3"). Conversely, Chittagong also experiences drought-like conditions during its dry months, from November to April, receiving barely any rainfall.

While the humidity levels range within 62% to 86%, the city experiences these extremes in February (the driest month), and July and August (the most humid months). Another interesting spectacle of the weather pattern in Chittagong is the wind speed, accelerating from 10.1km/h (6.3mph) in January to a maximum of 17.7km/h (11mph) during peak monsoon in July.

The best time to visit Chittagong

To fully enjoy the tropical allure of Chittagong, plan a trip during the winter months from November to February. During this time, the temperatures dip to a comfortable range between 17.5°C (63.5°F) to 27.3°C (81.1°F), and the city remains largely dry, providing ideal conditions for outdoor activities and sightseeing. This period also witnesses relatively low humidity and clear skies, enhancing the overall comfort and aesthetic appeal of the city.

The worst time to visit Chittagong

The monsoon season, from June to October, can prove challenging for tourists in Chittagong. Heavy rainfall often disrupts outdoor activities and impedes mobility. The city is most drenching in July with precipitation reaching 414mm (16.3"). Furthermore, the extreme humidity levels, soaring to 86% during these months, can make the atmosphere uncomfortable.

Spring weather in Chittagong

Spring in Chittagong is marked by moderate temperatures and escalating rainfall. The months of March and April witness temperatures ranging from 21.6°C (70.9°F) to 32°C (89.6°F) with rainfall escalating from 13mm (0.51") to 42mm (1.65"). The weather during this period transitions from the dry winter season to the wet monsoon, culminating in a moderate climate suitable for outdoor activities.

Summer weather in Chittagong

Summer in Chittagong, stretching from May to August, is characterized by hot temperatures, high humidity, and heavy rainfall. This period witnesses temperatures soaring up to 31.9°C (89.4°F), and rainfall peaking at 414mm (16.3") in July. The high humidity levels, increasing to 86%, may make the climate feel more oppressive. However, sea temperatures are at their peak, hitting 29.7°C (85.5°F) in June, ideal conditions for swimming and other water sports.

Autumn weather in Chittagong

Autumn spans from September to November and mirrors the summer climate, characterized by still significant rainfall, particularly in September and October, standing around 200mm (7.87") on average. Temperatures during this period gradually cool down, ranging from 29.5°C (85.1°F) to 27.7°C (81.9°F), and the humidity levels slowly decline from 85% to 77%.

Winter weather in Chittagong

Winter in Chittagong is mild, dry, and regarded as the most comfortable season. Occurring from December to February, this period maintains temperatures from 15.8°C (60.4°F) to 27.3°C (81.1°F), while the rainfall drops dramatically to single digits, ensuring a dry climate. The city witnesses clear skies, lower humidity levels, and lesser cloud coverage, making it an ideal time for sightseeing and outdoor activities.

Weather in January

Winter in Chittagong, Bangladesh, commences with January featuring several notable weather patterns. This month generally reveals a slight drop in temperatures from February, ensuing a comfortable climate. The relatively low humidity of 66% coupled with minimal rainfall contributes to the month's cool and dry nature. Weather in January »

Weather in February

Compared to January's mild climate, February in Chittagong experiences a slight warming trend. This month presents an escalation in temperature, gradually transitioning from winter to the early stages of spring. The number of rainfall days is minimal, leading to generally dry conditions, contributing to the overall warm ambience. Weather in February »

Weather in March

March's weather in Chittagong announces the advent of summer with a perceptible surge in temperature and humidity levels. Compared to February's warmth, the climate becomes discernibly hotter and more humid, indicating the start of the summer season. Weather in March »

Weather in April

As summer progresses in Chittagong, April shows further intensification of the season's traits. The city experiences a drastic rise in temperature from March, along with an increase in rainfall, contributing to the soaring humidity levels. Weather in April »

Weather in May

Situated in the heart of summer, the weather in May in Chittagong is typically tropical, characterized by high temperatures, copious rainfall, and high humidity. From April, there is a slight increase in temperature, pushing the city into the mid-summer phase signified by frequent rain showers. Weather in May »

Weather in June

June, usually recorded as the wettest month in Chittagong, portrays an escalated shift from the prevalent weather conditions in May. Rainfall reaches its peak leading to the city being frequently shrouded in dense clouds, minimizing sunshine hours. Weather in June »

Weather in July

Chittagong weather in July is characterized by persistent and heavy rainfall, similar to June's climate. Ikately noticeable, however, is a marginal drop in temperature as it approaches August. With a high cloud coverage, sunshine hours dwindle, resulting in a cooler atmosphere. Weather in July »

Weather in August

From July, August has a near-identical climate in Chittagong, maintaining the monsoon's signature weather pattern. The weather is known for recurring heavy rain showers, high moisture content in the atmosphere, and gradually subsiding summer heat. Weather in August »

Weather in September

Between August and September in Chittagong, the monsoon gradually recedes, leading to a subtle shift in the weather pattern. The amount of rainfall starts declining, and the thick cloud cover slowly begins to give way to clearer skies. Weather in September »

Weather in October

October in Chittagong marks the definitive end of the monsoon season and a return to a drier climate. With a significant reduction in rainfall from September, the city's humidity begins to drop, slowly ushering in the cooler months of late autumn and winter. Weather in October »

Weather in November

November in Chittagong indicates the onset of winter, presenting a significant drop in temperature from October. Humidity levels see a substantial decrease, and the relatively diminished cloud cover maximizes sunshine hours. Occasional cool winds deliver a hint of the impending winter chill, distinctively noticed during nighttime. Weather in November »

Weather in December

December in Chittagong, Bangladesh, signifies winter at its peak, with cooler days and even chillier nights. A noticeable decrease in temperature from November coupled with the dry air leads to lower humidity levels, making the winter feel colder. Weather in December »