Dhaka, the capital city of Bangladesh, experiences a tropical monsoon climate. This means the city has significant variations in temperature and rainfall throughout the year.
The hottest month of the year is May, with an average high of 92°F and low of 78°F. On the other hand, the coolest period spans from December to January, where temperatures drop to an average high of 76°F and a low of 57°F.
Rainfall is another key feature of Dhaka’s climate. The monsoon season, which lasts from June to September, brings the heaviest rains, making the air feel particularly humid.
For instance, July typically sees the highest humidity at 81%. During this time, thunderstorms are quite common, further adding to the intensity of the monsoon.
The unique combination of high temperatures and heavy rains shapes Dhaka’s distinct weather pattern, impacting daily life and activities.
Whether you’re planning a visit or just curious about the climate in Dhaka, understanding these weather patterns can help you prepare better.
Be sure to check out more detailed information about the climate and average weather year-round in Dhaka for a complete overview.
Average Temperature in Dhaka, Bangladesh
The average temperature in Dhaka, Bangladesh varies significantly throughout the year.
Temperature by Month
| Month | Average High (°F) | Average Low (°F) |
|---|---|---|
| January | 76 | 57 |
| February | 80 | 61 |
| March | 88 | 68 |
| April | 90 | 73 |
| May | 92 | 78 |
| June | 89 | 78 |
| July | 88 | 79 |
| August | 88 | 79 |
| September | 88 | 78 |
| October | 87 | 74 |
| November | 83 | 66 |
| December | 78 | 59 |
Hot and Cold Months
The hottest month in Dhaka is May with an average high temperature of 92°F and a low of 78°F. The coolest month is January, with an average high of 76°F and low of 57°F.
Seasonal Changes
Dhaka experiences a significant range of temperatures.
Winter months (December to February) are fairly mild, while the summer months (April to June) can be quite warm.
Climate Observations
Daily observations show that the annual mean temperature is around 80°F. This tropical climate is characterized by hot, humid summers and mild winters.
Historical Data
Historical temperature data indicates that May is consistently the warmest month. Winter months see temperatures dipping below 78°F, with January being the coldest.
For more on temperature-related articles, you can visit Temperature.
Temperature variations are expected due to Dhaka’s geographical location near the equator. This contributes to the overall warm and tropical climate year-round.
Average Precipitation in Dhaka, Bangladesh
Dhaka experiences a significant amount of rainfall throughout the year, with distinct wet and dry periods. Snowfall is non-existent due to the warm climate.
Average Rainfall in Dhaka, Bangladesh
Dhaka has a high amount of precipitation, especially during the monsoon season. Rainfall is common from April through October.
Monthly Rainfall (in inches)
| Month | Rainfall (in) |
|---|---|
| January | 0.3 |
| February | 0.6 |
| March | 1.2 |
| April | 6.0 |
| May | 9.6 |
| June | 14.9 |
| July | 13.4 |
| August | 12.6 |
| September | 10.9 |
| October | 6.4 |
| November | 1.2 |
| December | 0.3 |
The wettest month is June, averaging about 14.9 inches of rain. The driest periods are usually in January and December, with very minimal rainfall of around 0.3 inches each.
Average Snow in Dhaka, Bangladesh
Snow is extremely rare in Dhaka due to its tropical climate. The city maintains warm temperatures year-round, preventing any possibility of snow.
For information about snow and colder climates, please refer to articles on snow and ice in regions where such weather conditions are common.
In essence, precipitation in Dhaka is predominantly rain, without any occurrence of snow, aligning with its tropical weather patterns.
Average Sun in Dhaka, Bangladesh
Dhaka experiences varying sunlight patterns throughout the year, with the amount of daylight and sunshine hours changing seasonally. This section explores the average daily shortwave solar energy and how it impacts the city’s climate.
Average Daily Shortwave Solar Energy in Dhaka, Bangladesh
The average daily shortwave solar energy varies significantly over the course of the year.
During the winter months, Dhaka receives less solar energy, while the summer months see higher levels of sunlight.
In January, Dhaka typically gets around 5.0 kWh per square meter per day. This amount increases to about 6.5 kWh per square meter per day in May, indicating a peak in solar energy.
The monsoon season, occurring from June to September, also sees high solar energy levels, despite frequent rain and cloudy days.
| Month | kWh/m²/day |
|---|---|
| January | 5.0 |
| February | 5.6 |
| March | 6.0 |
| April | 6.3 |
| May | 6.5 |
| June | 5.8 |
| July | 5.5 |
| August | 5.4 |
| September | 5.6 |
| October | 5.9 |
| November | 5.2 |
| December | 4.8 |
These solar energy levels affect the amount of sunlight and UV index in Dhaka, with higher values corresponding to longer daylight hours and stronger UV radiation.
Awareness of these patterns can help in planning outdoor activities, managing health and safety regarding UV exposure, and optimizing solar energy usage.
Average Humidity in Dhaka, Bangladesh
Dhaka experiences significant humidity throughout the year. The relative humidity varies from month to month, influencing the overall feel of the climate.
On average, August is the most humid month, with a relative humidity of 83%. This high humidity can make the air feel muggy, especially during the warmer parts of the day.
March tends to be the least humid month with a relative humidity of 61%. During this time, the climate feels less oppressive, and it is generally more comfortable for outdoor activities.
| Month | Humidity (%) |
|---|---|
| January | 68 |
| February | 70 |
| March | 61 |
| April | 67 |
| May | 72 |
| June | 80 |
| July | 82 |
| August | 83 |
| September | 82 |
| October | 76 |
| November | 72 |
| December | 70 |
This table helps illustrate the variations in humidity throughout the year in Dhaka.
High humidity, especially in the summer and monsoon months, often leads to higher dew points, making the air feel warmer and more uncomfortable.
Average Wind in Dhaka, Bangladesh
Wind speed in Dhaka can vary throughout the year. On average, the wind speed is relatively low compared to other regions.
The table below provides an overview of the average wind speed by month in Dhaka:
| Month | Average Wind Speed (mph) |
|---|---|
| January | 4.2 |
| February | 5.1 |
| March | 5.8 |
| April | 6.4 |
| May | 7.0 |
| June | 6.8 |
| July | 5.9 |
| August | 5.1 |
| September | 4.6 |
| October | 3.9 |
| November | 3.6 |
| December | 3.8 |
May is often the windiest month in Dhaka, with wind speeds reaching up to 7.0 mph. The wind during this month is essential for cooling down the high temperatures.
During the winter months, from November to January, the wind speeds are lower, averaging around 3.6 to 4.2 mph. This period is marked by calm and stable air.
The wind patterns show that there are more significant variations as you move towards the monsoon season, from June to August. Although the wind speeds reduce slightly in these months, the presence of wind becomes crucial for distributing rain clouds.
Wind direction also plays a vital role in Dhaka’s climate. From March to May, winds typically come from the south and southwest, bringing moisture from the Bay of Bengal.
Average Air Quality in Dhaka, Bangladesh
Dhaka, the capital of Bangladesh, often faces poor air quality due to high levels of pollution. The city experiences substantial emissions from vehicles, industries, and construction sites.
During the winter months, especially from November to January, air quality can degrade sharply. The presence of fog can trap pollutants close to the ground, reducing visibility and increasing health risks.
| Month | Air Quality Index (AQI) | Visibility (miles) |
|---|---|---|
| January | Poor | 2-4 |
| May | Moderate | 5-7 |
| October | Unhealthy | 3-5 |
Daily monitoring through radar helps track pollution levels and weather patterns. Cloud cover also influences the air pressure and dispersion of pollutants. During cloudy days, the cloud cover can lead to higher concentrations of pollutants near the surface.
Pollution levels vary throughout the year:
- Winter: More particles due to burning of biomass and other activities.
- Monsoon Season: Rain reduces pollution levels temporarily.
- Summer: High temperatures can lead to smog formation.
Key pollutants include particulate matter (PM2.5 and PM10), nitrogen dioxide (NO2), and sulfur dioxide (SO2). These pollutants can cause respiratory issues and other health problems.
Topography of Dhaka, Bangladesh
Dhaka, the capital of Bangladesh, lies at the heart of the Ganges-Brahmaputra Delta. This delta is the largest river delta in the world and heavily influences the city’s topography.
The city is positioned at approximately 23.8103° N latitude and 90.4125° E longitude. Its elevation is generally low, around 13 feet (4 meters) above sea level.
Most of Dhaka’s landscape is flat and consists of floodplains. These floodplains are subject to seasonal flooding due to the monsoon rains and nearby rivers.
Key Features:
- Rivers: The city is surrounded by several rivers, including the Buriganga River, which is crucial for transport and trade.
- Water Bodies: Numerous small canals and ponds are spread around Dhaka, contributing to the surface movement of water during rainy seasons.
Monthly Elevation Data:
| Month | Min Elevation | Max Elevation |
|---|---|---|
| January | 4 ft | 13 ft |
| February | 4 ft | 13 ft |
| March | 4 ft | 13 ft |
| April | 4 ft | 13 ft |
| May | 4 ft | 13 ft |
| June | 4 ft | 13 ft |
| July | 4 ft | 13 ft |
| August | 4 ft | 13 ft |
| September | 4 ft | 13 ft |
| October | 4 ft | 13 ft |
| November | 4 ft | 13 ft |
| December | 4 ft | 13 ft |
Dhaka’s geography makes it susceptible to flooding. The Ganges-Brahmaputra Delta and the numerous rivers and canals in the region contribute to this.
For more about the impact of water in the area, visit the article on surface movement.
Extreme Weather Events that Occur in Dhaka, Bangladesh
Dhaka experiences a variety of weather events due to its tropical wet and dry climate.
Monsoon Season
The monsoon season runs from June to September. During these months, Dhaka receives heavy rainfall, sometimes over 14 inches in a single month. This rainy season leads to widespread flooding and disrupts daily life.
| Month | Avg Rainfall (inches) |
|---|---|
| June | 12 |
| July | 14 |
| August | 13 |
| September | 10 |
Cyclones
Cyclones are significant threats, especially during the pre-monsoon (April-May) and post-monsoon (October-November) periods. These tropical storms can bring strong winds over 75 mph and heavy rains.
Summer Heat
Summers are extremely hot, with temperatures often rising above 95°F in May and June. This dry season is challenging for those living in urban areas, where concrete structures add to the heat.
Thunderstorms
Thunderstorms are frequent during the monsoon and pre-monsoon seasons. These storms often bring sudden and heavy rain, lightning, and strong winds, causing local flooding.
Floods
Flooding is a major concern in Dhaka. The city’s low-lying geography makes it vulnerable, especially during the monsoon. Heavy rains and river overflow often lead to severe floods.
Summary Table of Events
| Weather Event | Season | Characteristics |
|---|---|---|
| Monsoon | June – September | Heavy rain, flooding |
| Cyclones | April-May, Oct-Nov | Strong winds, heavy rains |
| Summer Heat | May – June | High temperatures (above 95°F) |
| Thunderstorms | April – September | Sudden rain, lightning, strong winds |
| Floods | June – September | Heavy rain, river overflow |
Best Time of the Year to Visit Dhaka, Bangladesh
The best months to visit Dhaka are from October to March when the weather is cooler and dryer. These months provide comfortable temperatures and less rainfall, making it ideal for outdoor activities and sightseeing.
What Is Dhaka, Bangladesh Like in Spring
In Dhaka, spring spans from March to May. March marks the beginning of warmer weather, with temperatures ranging from 68°F to 88°F. April is one of the hottest months, with highs averaging around 97°F and temperatures rarely dropping below 77°F (source). May experiences a transition to the monsoon season. Rainfall increases significantly, and humidity levels rise, making it feel hotter.
A typical day might start cool but quickly become hot, with increasing chances of afternoon showers.
What Is Dhaka, Bangladesh Like in Summer
Summer in Dhaka, from June to August, is characterized by heavy rainfall and high humidity. June marks the peak of the monsoon season with temperatures ranging from 81°F to 91°F and substantial rain.
A table summarizing summer weather:
| Month | Avg High (°F) | Avg Low (°F) | Rainfall (in) |
|---|---|---|---|
| June | 91 | 81 | 15 |
| July | 89 | 81 | 14 |
| August | 88 | 80 | 13 |
Daily life in Dhaka during these months involves frequent and heavy downpours, making outdoor activities challenging.
What Is Dhaka, Bangladesh Like in Fall
Fall, from September to November, witnesses a decrease in rainfall and humidity.
September still has occasional showers, but by October, the weather becomes much drier and more pleasant.
Daytime temperatures range from 77°F to 90°F, providing a relief from the summer’s heat.
A typical October day is sunny and warm, ideal for exploring.
November continues this trend with temperatures cooling slightly and less rainfall, making it a favorable time to visit (source).
What Is Dhaka, Bangladesh Like in Winter
Winter in Dhaka is from December to February and is often considered the best time to visit.
December and January are the coolest months, with average temperatures ranging from 59°F to 79°F.
During February, temperatures rise slightly, with highs around 83°F (source).
A table summarizing winter weather:
| Month | Avg High (°F) | Avg Low (°F) | Rainfall (in) |
|---|---|---|---|
| December | 79 | 59 | 0.5 |
| January | 78 | 59 | 0.2 |
| February | 83 | 64 | 0.8 |
This time of the year is marked by dry, sunny days, comfortable for sightseeing and outdoor adventures, making winter the best time to visit Dhaka.