The climate in Chittagong during October can be summarized as hot, humid and very wet.
October is in the fall / autumn in Chittagong and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 24°C (75°F) is normal.
Daytime temperature | 31.1°C 87.9°F |
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Nightly temperature | 24°C 75.1°F |
Average temperature | 27.5°C 81.5°F |
Daily sunshine | 6.7 hrs |
Avg rainfall | 215 mm 8.4 ins |
Rainy days | 8 days |
Sea temperature | 29.1°C 84.3°F |
Humidity | 81% |
Windspeed | 3.6kph 2 mph |
On average October is the 6th wettest month of the year in Chittagong with around 215mm 8.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.7 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Chittagong in October 2025.
Best places to visit in October
Hottest month: | May | 32.2°C 90°F |
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Driest month: | January | 6mm 0.2ins |
Sunniest month: | January | 9.2hrs |
Coldest month: | January | 25.4°C 77.7°F |
Wettest month: | July | 745mm 29.3ins |