Climate and monthly weather forecastBarisal, Bangladesh
Climate and monthly weather forecast
The climate of Barisal
Perched at the heart of Bangladesh, Barisal experiences a tropical wet and dry or savanna climate reflected in the Köppen climate classification as Aw. Observing the city's climatic data suggests a sequence of distinctive weather shifts throughout the year. Each month ushers a unique pattern, creating a rich blend of weather experiences within the city.Throughout the city's twelve-month cycle, a range in temperatures from 16.3°C (61.3°F) to 35.3°C (95.5°F) can be recorded. A marked increase in average high temperatures commences in March, from 30°C (86°F) rising to the year's peak of 35.3°C (95.5°F) in April. From May, a gradual decline is observed, with temperatures tapering to 26.2°C (79.2°F) in December. Conversely, low temperatures, starting from 16.3°C (61.3°F) in January, hike steadily to peak at 27.9°C (82.2°F) in June before easing off to 17.3°C (63.1°F) in December.
Relative humidity fluctuates from 48% to 81%. The relatively drier months of January to March transition to increasingly more humid months from April through September, with the climatic apex reached in July at 81%. October sees the humidity dipping, thus initiating another drier phase till year's end. Rainfall follows a similar pattern with the heaviest rain recorded from May through August, averaging between 83mm (3.27") to 97mm (3.82").
Distinctive weather patterns emerge from the data. June stands out as the most humid month coupled with the highest low temperatures. The months of July and August claim the lion's share of rainfall, lending these months a pronounced wet character. In a stark contrast, cooler months between November and January are characterized by lower rainfall and relative humidity, offset with comparatively lesser daylight hours.
The best time to visit Barisal
The ideal time to visit Barisal hinges largely on visitors' temperance for heat and predilection for drier conditions. That said, November through February emerges as an inviting period to explore this tropical city. During these months, temperatures are comfortably lower, ranging between the high of 26.2°C (79.2°F) to 35°C (95°F), and humidity oscillates from 60% to 70%, creating a relatively drier and cooler atmosphere. Rainfall is at its minimum, averaging 3mm (0.12") to 19mm (0.75"), reducing the likelihood of travel disruptions while enhancing outdoor experiences.The worst time to visit Barisal
Travelers looking to avoid the hottest and rainiest months in Barisal would do well to sidestep May through August. During these months, high temperatures reach the year's peak and rainfall is heavy, averaging between 54mm (2.13") to 97mm (3.82"). The relative humidity is high during this time, often exceeding 70% which further intensifies the sultriness of the weather. Hence, these months could be challenging for travelers unaccustomed to tropical heat and rain.Spring weather in Barisal
The first hint of spring arrives in March, carrying it the onset of rising temperatures. A moderate shift from 26.5°C (79.7°F) in March to 33.8°C (92.8°F) in May characterizes the high temperature movement. Lower temperatures during this period follow a similar trajectory, ascending from 16.3°C (61.3°F) in March to 22.5°C (72.5°F) in May. In terms of rainfall, spring ushers in a gradual increase with a leap from 3mm (0.12") in March to 10mm (0.39") in May, signaling the onset of the wetter months.Summer weather in Barisal
Summer in Barisal unfolds from June through August, marked by a steady decline in temperatures. From a high of 35°C (95°F) in June, temperatures drop slightly to 31.8°C (89.2°F) by the end of August. The nighttime temperatures also retreat from 27.9°C (82.2°F) in June to 27°C (80.6°F) in August. Meanwhile, rainfall surges, peaking at 97mm (3.82") in July and tapering to 92mm (3.62") in August.Autumn weather in Barisal
Autumn sweeps Barisal in September, characterized by a continuous drop in temperature through November. The high temperatures retract from 31.7°C (89.1°F) in September to 28.9°C (84°F) by November while the lows shift downward from 26.4°C (79.5°F) to 20.2°C (68.4°F) in November. The rainfall lessens significantly, from 61mm (2.4") in September to 19mm (0.75") by November, forecasting the onset of the drier season.Winter weather in Barisal
Winter touches down in Barisal in December, bringing with it cooler and drier conditions. The high temperatures during this season fluctuate between 25°C (77°F) in December and 26.5°C (79.7°F) in February. The lows register a drop from December, moving from 17.3°C (63.1°F) to 18.6°C (65.5°F) in February. Rainfall during the period is the lowest of the year, reaching just 3mm (0.12") in both December and February.Weather in January
The New Year in Barisal, Bangladesh begins with relatively cool, dry and sunny weather. The characteristics of January include moderate temperatures, hovering around a high of 26.5°C (79.7°F) and a low of 16.3°C (61.3°F). Furthermore, weak winds contribute to the comfortable weather in Barisal this month. Weather in January »Weather in February
In Barisal, the climate in February has a slight increase in various parameters compared to January. A mild rise in both temperature and rainfall is observed, as the city transitions from winter to spring. The daylight hours continue to stretch as February comes with a slightly increased UV index. Weather in February »Weather in March
March presents a significant shift in weather conditions in Barisal, Bangladesh. There is considerable temperature growth from February to March with a maximum of 33.8°C (92.8°F) registered. Simultaneously, relative humidity increases making casual outdoor activities less comfortable. Weather in March »Weather in April
April is characterized by even higher temperatures, reaching the yearly peak of 35.3°C (95.5°F) and Leaning towards the hotter side, this month witnesses the maximum recorded daylight hours of 12.7h. The conditions become notably warmer and humid, signalling the oncoming monsoon season. Weather in April »Weather in May
May can be pinpointed as the start of the wet season in Barisal, with distinct spikes in rainfall, humidity, and cloud coverage. The temperature drops slightly from the peak of April, indicating a transition towards the rainy season. Weather in May »Weather in June
June marks the heart of the Monsoon season in Barisal, with the rain gauge registering an impressive 83mm (3.27") of rainfall. The heat marginally subsides in favor of wetter weather, leading to occasional disruptions in outdoor activities. Weather in June »Weather in July
July is characterized by an intense Monsoon climate with 27 days of rainfall, the highest in the year for Barisal, Bangladesh. The weather inclines towards soggier conditions, with reduced sunshine hours and proliferating clouds. While temperatures see a decline, the humidity level remains high, leading to a muggy atmosphere. Weather in July »Weather in August
August sees a slight reduction in rainfall from July, yet remains well within the annual Monsoon period. Still, the city experiences high humidity, frequent rainfall, and copious cloud coverage. Contrarily, Barisal, Bangladesh witnesses an increase in sunshine days, contrasting the otherwise prevalent Monsoon conditions. Weather in August »Weather in September
September signals a gradual recline of the Monsoon in Barisal, with reduced rainfall and cloud occurrence. The city experiences an average fall in 31.7°C (89.1°F) of temperature, reflecting the inceptive shift towards autumn. Weather in September »Weather in October
October represents a noticeable change in Barisal's climate, with the city moving away from the Monsoon season. The city experiences a significant decrease in rainfall, marking the start of the dry season again. Comparatively, it is one of the cooler months after the scorching summer and wet monsoon months. Weather in October »Weather in November
In November, the weather in Barisal, Bangladesh, inclines towards drier and cooler conditions. Compared to October, the monthly averages for various parameters convey a drop. Notably, the rain gauge registers a mere 19mm (0.75") of precipitation, one of the year's lowest levels. Weather in November »Weather in December
December concludes the year on a pleasant note in Barisal, bringing cool weather and lesser rain. Being the year's coolest month, it witnesses a significant drop in temperature to 26.2°C (79.2°F). Furthermore, the winter season brings calm and serene weather, with minimum rainfall registered across the year. Weather in December »Updated: Aug 13, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The months with the least rainfall are January and December Rain falls for 0.9 days and accumulates 3mm (0.12") of rain.
Throughout the year, there are 148.8 rainfall days, and 501mm (19.72") of precipitation is accumulated.
January, February, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Barisal.
The least humid month is February, with an average relative humidity of 48%.
The month of April, characterized by an average high of 35.3°C (95.5°F) and a low of 25.9°C (78.6°F), is recognized as the warmest.
April has the most sunshine of the year, with an average of 10.8h of sunshine.
May is the month with the highest UV index in Barisal, with an average maximum UV index of 8.
The month with the longest days is June, with an average of 13h and 30min of daylight.
The months with the highest humidity in Barisal are July and September, with an average relative humidity of 81%.
The month with the most rainfall in Barisal is July, when the rain falls for 27 days and typically aggregates up to 97mm (3.82") of precipitation.
The months with the least sunshine are July, November and December, with an average of 7.4h of sunshine.
In Barisal, the average lowest temperatures are observed in December, with a high of 26.2°C (79.2°F) and a low of 17.3°C (63.1°F).
December has the shortest days of the year, with an average of 10h and 48min of daylight.
Barisal does not utilize Daylight Saving Time (DST). +06 timezone is used throughout the entire year.
Average temperature
Barisal, Bangladesh
The warmest month (with the highest average high temperature) is April (35.3°C).
The month with the lowest average high temperature is December (26.2°C).
The month with the highest average low temperature is June (27.9°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).
Average pressure
Barisal, Bangladesh
- Average pressure in January:
1014.6mbar - Average pressure in February:
1012.9mbar - Average pressure in March:
1010.1mbar - Average pressure in April:
1007.3mbar - Average pressure in May:
1004.3mbar - Average pressure in June:
1000.8mbar
- Average pressure in July:
1000.5mbar - Average pressure in August:
1002mbar - Average pressure in September:
1005mbar - Average pressure in October:
1009mbar - Average pressure in November:
1011.9mbar - Average pressure in December:
1013.7mbar
The month with the highest atmospheric pressure is January (1014.6mbar).
The month with the lowest atmospheric pressure is July (1000.5mbar).
Average wind speed
Barisal, Bangladesh
- Average wind speed in January:
9.3km/h - Average wind speed in February:
8.7km/h - Average wind speed in March:
10.1km/h - Average wind speed in April:
13.3km/h - Average wind speed in May:
13.8km/h - Average wind speed in June:
14.4km/h
- Average wind speed in July:
14.7km/h - Average wind speed in August:
13.3km/h - Average wind speed in September:
10.7km/h - Average wind speed in October:
7.6km/h - Average wind speed in November:
7.3km/h - Average wind speed in December:
8.4km/h
The windiest month (with the highest average wind speed) is July (14.7km/h).
The calmest month (with the lowest average wind speed) is November (7.3km/h).
Average humidity
Barisal, Bangladesh
The months with the highest relative humidity are July and September (81%).
The month with the lowest relative humidity is February (48%).
Average rainfall
Barisal, Bangladesh
The wettest month (with the highest rainfall) is July (97mm).
The driest months (with the least rainfall) are January and December (3mm).
Average rainfall days
Barisal, Bangladesh
- Average rainfall days in January:
0.9 days - Average rainfall days in February:
2.4 days - Average rainfall days in March:
7.1 days - Average rainfall days in April:
9.5 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
21.1 days
- Average rainfall days in July:
27 days - Average rainfall days in August:
23.6 days - Average rainfall days in September:
22.2 days - Average rainfall days in October:
14.6 days - Average rainfall days in November:
3.1 days - Average rainfall days in December:
1.5 days
The month with the highest number of rainy days is July (27 days).
The month with the least rainy days is January (0.9 days).
Average daylight / Average sunshine
Barisal, Bangladesh
- Average daylight in January:
10h and 54min - Average daylight in February:
11h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 42min - Average daylight in May:
13h and 12min - Average daylight in June:
13h and 30min
- Average daylight in July:
13h and 24min - Average daylight in August:
12h and 54min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 36min - Average daylight in November:
11h and 6min - Average daylight in December:
10h and 48min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in January:
7h and 30min - Average sunshine in February:
7h and 42min - Average sunshine in March:
10h and 6min - Average sunshine in April:
10h and 48min - Average sunshine in May:
10h and 6min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
7h and 24min - Average sunshine in August:
8h and 36min - Average sunshine in September:
8h and 36min - Average sunshine in October:
8h and 6min - Average sunshine in November:
7h and 24min - Average sunshine in December:
7h and 24min
The month with the most sunshine is April (Average sunshine: 10h and 48min).
The months with the least sunshine are July, November and December (Average sunshine: 7h and 24min).
Average sunshine days
Barisal, Bangladesh
- Average sunshine days in January:
29.7 days - Average sunshine days in February:
25.2 days - Average sunshine days in March:
22.7 days - Average sunshine days in April:
18.4 days - Average sunshine days in May:
13.6 days - Average sunshine days in June:
7 days
- Average sunshine days in July:
2.3 days - Average sunshine days in August:
4.6 days - Average sunshine days in September:
6 days - Average sunshine days in October:
13.6 days - Average sunshine days in November:
25.4 days - Average sunshine days in December:
29.2 days
The month with the most sunshine days is January (29.7 days).
The month with the least sunshine days is July (2.3 days).
Average UV index
Barisal, Bangladesh
The month with the highest UV index is May (UV index 8).
The months with the lowest UV index are January, February, October, November and December (UV index 6).
Average cloud cover
Barisal, Bangladesh
The month with the most cloud cover is July (Cloud cover 55).
The month with the least cloud cover is January (Cloud cover 6).
Average visibility
Barisal, Bangladesh
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).
