Weather overview
Chittagong’s climate is warm throughout the year, with distinct wet and dry periods. From November to March, Читтагонг enjoys dry weather, making it the most comfortable time for travel. The air feels fresh, and outdoor activities are pleasant without the heaviness of rain.
Starting in April, temperatures rise, and by May, the monsoon season begins. Читтагонге becomes humid and rainy, with frequent downpours lasting until September. If you prefer drier conditions, this period may feel less ideal, though the lush landscapes are at their most vibrant.
After October, the rains gradually ease, and Читтагонг returns to its calmer, sunnier state. The transition months offer a balance between warmth and manageable humidity, especially in November and December.
Temperature
In Читтагонге, temperatures stay mild to hot year-round, rarely dropping below +15.6 °C even in the coolest months. January and February are the coolest, with daytime highs around +26 °C and nights around +17.8 °C, offering a gentle start to the year.
From March, the heat builds, peaking in April and May at +33.4 °C and +33.2 °C respectively. Nights remain warm, around +25 °C, so light clothing is essential. The warmth lingers into June and July, though the monsoon brings some relief from the intensity.
By October, temperatures begin to ease, settling into a comfortable +28.4 °C to +32.4 °C range. November and December see a further drop, with highs around +31 °C and +27.4 °C, making these months some of the most pleasant for exploring Читтагонг.
| Month | Minimum | Maximum |
|---|---|---|
| January | 15.6 | 26 |
| February | 17.8 | 28.7 |
| March | 22 | 31.7 |
| April | 24.9 | 33.4 |
| May | 25.9 | 33.2 |
| June | 26.3 | 32.3 |
| July | 26.2 | 32.1 |
| August | 26.1 | 31.9 |
| September | 26.1 | 32.6 |
| October | 25.3 | 32.4 |
| November | 21.5 | 31 |
| December | 17.5 | 27.4 |
Precipitation
Читтагонг experiences a clear divide between dry and wet seasons. From November to February, rainfall is minimal, with January seeing just 10 mm of rain. This is the driest period, ideal for outdoor plans without weather disruptions.
The first signs of rain appear in March, but the real shift comes in May, when monthly rainfall jumps to 273 mm. The monsoon peaks in July with 646 mm, often bringing heavy, prolonged showers. Streets can flood, and travel may require extra patience.
After September, the rains taper off, though October still sees 189.1 mm. By November, Читтагонг returns to its dry rhythm, with only 44.6 mm of rain. If you dislike humidity and downpours, planning around the November to March window makes the most sense.
| Month | Precipitation |
|---|---|
| January | 10 |
| February | 1.9 |
| March | 25.9 |
| April | 98.3 |
| May | 273 |
| June | 417.1 |
| July | 646 |
| August | 501.8 |
| September | 382 |
| October | 189.1 |
| November | 44.6 |
| December | 10.1 |
What to pack
For a trip to Читтагонг between November and March, pack lightweight, breathable clothing for warm days and a light jacket or shawl for cooler evenings. Comfortable walking shoes are a must, as the dry season is perfect for exploring the city and nearby hills.
If visiting during the monsoon, from May to September, prioritize quick-drying fabrics and a sturdy umbrella or raincoat. Waterproof footwear will help navigate wet streets, and a small towel or extra socks can be handy. Mosquito protection is also wise during this humid period.
For the transitional months like April or October, layering works best. Light layers for daytime warmth and something slightly warmer for evenings will keep you comfortable. A scarf or hat can shield you from the sun, while a foldable rain jacket covers unexpected showers in Читтагонге.
| Month | Wind speed |
|---|---|
| January | 1.9 |
| February | 2 |
| March | 2.7 |
| April | 3 |
| May | 3.1 |
| June | 3.5 |
| July | 3.2 |
| August | 3.1 |
| September | 2.3 |
| October | 1.8 |
| November | 1.5 |
| December | 1.8 |