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Chittagong Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Chittagong.
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Climate overview of Chittagong
Chittagong Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chittagong - and find the best time to visit.
Monthly Temperature in Chittagong
The climate in Chittagong remains fairly constant, offering comfortable temperatures throughout the year. On average, daytime temperatures range from a very warm 32°C (90°F) in April to a comfortable 25°C (77°F) in January.
Nighttime temperatures range from 27°C (81°F) in April to 17°C (63°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Chittagong
Chittagong is known for its substantial rainfall, with annual precipitation reaching 2651 mm (104 in). The seasons in Chittagong bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 568 mm (22 in) of precipitation. This rainfall is distributed across 19 rainy days.
In contrast, the driest month, January, experiences much less rainfall, totaling 6.5 mm (0.3 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Chittagong Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Chittagong
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 per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Chittagong by Month
The relative humidity is high throughout the year in Chittagong.
The city experiences its highest humidity in July, reaching 86%. In February, the humidity drops to its lowest level at 70%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Chittagong
The mean wind speed over the year ranges from () in May, July, August, September, October, November and December to 3 m/s (6 knots) in February, March and June. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Chittagong
The most comfortable overall weather for exploring Chittagong is usually found in January, February, November and December. Conditions are generally least comfortable in May, June, July, August, September and October.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
good
Apr
mixed
May
very wet
Jun
very wet
Jul
very wet
Aug
very wet
Sep
very wet
Oct
very wet
Nov
excellent
Dec
excellent
- Best overall: January, February, November and December
- Warmest weather: March, April, May, June, July, August, September and October
- Most sunshine: March
- Fewest rainy days: January, February, March and December
- Wettest months: May, June, July, August and September, when rainfall is highest.
- Seasonal pattern: Distinct dry (December to February) and wet (May to October) seasons
Frequently asked questions about the climate in Chittagong
What is the best time to visit Chittagong?
January, February, November and December typically offer the most optimal weather in Chittagong. In contrast, May, June, July, August, September and October tend to have less optimal conditions. Chittagong has distinct dry (December to February) and wet (May to October) seasons.
What temperatures can I expect in Chittagong?
Daytime highs range from 25°C (77°F) in January to 32°C (90°F) in April. Nighttime lows range from 17°C (63°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Chittagong get?
Annual rainfall is around 2651 mm (104 in). July is the wettest month with 568 mm (22 in), while January is the driest with 6.5 mm (0.3 in).
How sunny is Chittagong?
Chittagong receives around 2,472 hours of sunshine per year. March is the sunniest month with 278 hours, while July is the cloudiest with just 105 hours. Overall, Chittagong enjoys abundant sunshine.
Chittagong 3-Day Forecast
Chittagong on the map
Chittagong is highlighted - select any city to see its climate.
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