Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Barishal is from January, February, December. — consistent weather climate
⛈Hot & rainy
| Score | 98 | 97 | 85 | 65 | 44 | 27 | 29 | 27 | 28 | 42 | 94 | 97 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Pleasant | Pleasant | Hot & dry | Hot & dry | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Hot & rainy | Pleasant | Pleasant |
| Temperature | 15–24°C | 17–28°C | 21–32°C | 25–35°C | 26–33°C | 27–32°C | 26–31°C | 26–31°C | 26–31°C | 25–31°C | 20–28°C | 16–25°C |
| Feels like | 15–25°C | 17–29°C | 24–35°C | 30–40°C | 31–39°C | 32–38°C | 32–37°C | 31–37°C | 31–38°C | 29–37°C | 22–31°C | 17–26°C |
| Precipitation | 9mm 2 days | 16mm 2 days | 36mm 3 days | 71mm 5 days | 177mm 13 days | 348mm 27 days | 309mm 30 days | 454mm 30 days | 319mm 27 days | 252mm 17 days | 44mm 2 days | 20mm 2 days |
| Sunshine | 9.5h ☀︎ 87% | 9.8h ☀︎ 86% | 10.4h ☀︎ 86% | 10.9h ☀︎ 86% | 10.0h ☀︎ 76% | 5.2h ☀︎ 39% | 5.6h ☀︎ 42% | 4.5h ☀︎ 35% | 5.4h ☀︎ 44% | 9.2h ☀︎ 79% | 10.1h ☀︎ 91% | 9.3h ☀︎ 86% |
| Wind | N · 11 km/h | NW · 12 km/h | W · 14 km/h | SW · 16 km/h | S · 18 km/h | S · 19 km/h | S · 19 km/h | S · 18 km/h | S · 15 km/h | NW · 12 km/h | N · 10 km/h | N · 11 km/h |
| Humidity (%) | 78% | 71% | 69% | 74% | 79% | 85% | 86% | 88% | 87% | 85% | 78% | 78% |
| Day length | 10.9h | 11.4h | 12.0h | 12.7h | 13.2h | 13.5h | 13.4h | 12.9h | 12.3h | 11.6h | 11.1h | 10.8h |
Life in Barishal belongs entirely to the water, but the water only welcomes you between November and February, when the river delta cools and the monsoon's relentless deluge finally recedes.
To understand Barishal, you have to watch the Kirtankhola River at dawn. Multideck passenger ferries churn the silted brown water into frothing wakes, wooden country boats glide silently along the riverbanks laden with betel leaf and winter produce, and a gentle river mist blurs the palm-fringed horizon. Historically known across Bengal as an aquatic crossroads woven from dozens of interlacing canals, this south-central hub lives by its tides. When the weather is fine, moving through the city feels like navigating a floating, slow-motion world of open horizons and breezy waterfront promenades. But when the skies break open or the sub-tropical furnace fires up, the very geography that makes the delta magical turns suffocating. Knowing when to step onto the riverbank is the difference between an unforgettable journey through riverine Bengal and an exhausting ordeal against heat and water.
Winter in the delta is extraordinarily gentle. From November through February, the suffocating humidity of southern Bangladesh evaporates, leaving crisp mornings, mild afternoons, and long stretches of unbroken sunshine. Highs sit comfortably in the mid-twenties, drifting down to cool, refreshing evenings where you will genuinely want a light shawl or sweater as you walk near the water. The air over the Kirtankhola River loses its heavy, soup-like density, replaced by clean breezes that make hours spent on an open ferry deck an absolute pleasure rather than a test of endurance.
November and December draw the thickest crowds of the year, and for good reason: the climate is near flawless. The city's waterfront hums with activity as travelers and traders move through the river terminal, yet it rarely feels frantic in the way inland metropolises do. By January and February, something remarkable happens. The local visitor numbers taper off substantially, but the weather remains pristine, offering crisp, rain-free days with brilliant blue skies. It is the finest stretch on the calendar to explore the historic core.
You can spend quiet mornings wandering around the tranquil perimeter of Bibir Pukur, an ancient downtown reservoir where locals gather under shade trees to chat and escape the midday traffic. A short distance away stands the red-brick silhouette of the Oxford Mission Church, its soaring arches and tranquil compound appearing almost untouched by time under the soft winter sun. Navigating the surrounding canals by wooden rowboat requires zero negotiation with squalls or lightning. If you are coming to Barishal to witness the poetic delta life that inspired generations of Bengali writers, this four-month window is the only time that delivers it without compromise.
Come March, the winter tranquility vanishes. Temperatures climb rapidly, and by April the atmosphere becomes an oppressive greenhouse. Highs routinely surpass thirty-five degrees, but the relentless moisture rising from the surrounding rivers pushes the apparent temperature past forty. The air turns thick and motionless, hanging over the streets like wet wool. Even brief walks along unshaded roads drain your energy within minutes.
This is the season of the Kalbaishakhi—violent, sudden pre-monsoon squalls that sweep across the low-lying plains in late afternoon. The sky darkens from sickly yellow to bruised purple within minutes, followed by gusting gales and blinding bursts of rain that churn the Kirtankhola River into dangerous chops. While these storms briefly cool the pavement, they leave the air even more humid than before.
Travel during these months requires a disciplined rhythm. Sensible travelers stay indoors or under deep veranda shade between eleven in the morning and four in the afternoon. Evening strolls past Bibir Pukur bring some relief as nightfall settles over the city, but the night air rarely drops low enough to feel truly refreshing. It is a period best left to those with necessary business in the administrative hub rather than leisure seekers.
From June through October, the southwest monsoon submerges the region in water from every direction. Rain here is not a polite afternoon shower; it is a relentless, sky-filling roar that dumps hundreds of millimeters of water in single bursts, swelling canals to their rims and flooding low-lying riverbanks. In August alone, the downpours are near constant, transforming rural paths into slick mud slides and turning city drainage into an ongoing struggle.
Sunshine becomes a rare luxury, with days on end spent under slate-grey overcast. The humidity is total and inescapable, cloaking everything in a permanent layer of dampness. Ferries still churn through the turbulent, swollen waters of the Kirtankhola River, their horns echoing mournfully through sheets of gray rain, but standing on an open deck is entirely out of the question. The waterways become working highways of necessity rather than scenic routes.
By late September and October, the heaviest cloudbursts begin to scatter, yet the heat remains high and sudden squalls can still wash out whole afternoons. The delta at this time is extraordinarily lush, carpeted in vivid emerald greenery, but experiencing it on foot is wet, messy, and deeply demanding. Unless your purpose is to witness the absolute ferocity of a Bengal monsoon firsthand, wait for the waters to recede.