Chittagong weather in August

August in Chittagong: sweltering, soaked, with clean air — not the time — 28 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Chittagong🇧🇩 Bangladesh · Bangladesh & Bengal · City39
  1. 92Jan
  2. 84Feb
  3. 72Mar
  4. 63Apr
  5. 50May
  6. 35Jun
  7. 38Jul
  8. 39Aug
  9. 42Sep
  10. 53Oct
  11. 75Nov
  12. 86Dec

#10 of 12 months in Chittagong · #1296 of 1413 destinations to visit in August · comfort 39/100 (tier F)

Days
32°C
Nights
26°C
Wet days
28
Sun
7.7 h
Humidity
88%
Daylight
13 h
Chittagong, Bangladesh
Photo: Minhaj Ahmed Ahyan · Pexels

Traveller notes on Chittagong in August

Notes from nearby Cox's Bazar (99 km away)

Chittagong doesn't have its own notes for August yet — these are about Cox's Bazar, close enough to share the season.

Forum posters describe August across Bangladesh as hot, humid and squarely within monsoon season, with a high likelihood of heavy rainfall and localized flooding risk. Posters recommend November through March as the more reliable window specifically for Cox's Bazar, Bangladesh's main beach destination, implying August sits well outside its ideal weather stretch. Posters are consistent that while some sights and attractions elsewhere in the country remain accessible during the rains, travel plans benefit from staying flexible and monitoring forecasts closely. Some posters do note a certain charming, moody atmosphere to traveling Bangladesh during the rainy season for those willing to embrace it. Posters generally rate August as hot, wet and outside Cox's Bazar's recommended beach season, workable only with realistic, flexible expectations.
Tripadvisor community · August · 1 month ago · about Cox's Bazar · Read more on Tripadvisor ↗

Other months in Chittagong

Forum posters describe July as very hot and squarely within Bangladesh's monsoon season, with heavy rainfall and a real risk of localized flooding, particularly in low-lying areas. Posters flag Chittagong specifically as prone to flooding during heavy rain events, and consistently recommend carrying waterproof poly bags to protect phones, wallets and other electronics from sudden downpours. Posters generally name late October through early March as the far better overall window for Bangladesh, implicitly framing July as one of the more challenging months to visit given the combination of intense heat and disruptive rain. Posters generally rate July as visitable only with real weather-contingency planning, given both the heat and the genuine flood risk around Chittagong specifically.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗
Chittagong forum regulars, drawing on the same Bangladesh-wide conversation as Dhaka, call January the perfect time to visit, pleasant weather that's not humid at all — though a late winter can occasionally bring a cold, foggy stretch. December and January together get named as the ideal travel window: no rain, full blossom of winter, neither the summer heat nor the monsoon humidity in play. Anyone heading into the Chittagong Hill Tracts specifically needs a local guide and a permit from the Deputy Commissioner's office in the city, obtainable on a weekday morning before 11am — a logistics note as important as the weather for that particular trip. Our record: 24.3°C days, 16°C nights, just 1.2 rain days and an AQI of 126 — mild and dry, matching the “perfect, not humid” read, with the AQI figure the one thing the pure weather praise leaves out.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Chittagong's card on the map.

Chittagong climate normals — August

Daytime high32°C / 89°F🔥 sweltering
Nighttime low26°C / 79°F
Feels like (high)37°C / 99°F
Sea temperature30°C / 85°F♨️ bath-warm
Rainfall513 mm / 20.2 in⛈ soaked
Rainy days28 days
Humidity88%💦 very humid
Dew point26°C / 78°F
Sunshine7.7 h/day
Daylight12.9 h
Wind20 km/h / 12 mph
Air quality (US AQI)44🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Chittagong in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Quietschool holidays in 4 of the markets that fill it, one of its worst months for weather(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Chittagong's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherChittagong's weather peaks December–February, best around January.

August coincides with Monsoon landslides and waterlogging.

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Best weatherFair weatherToughest weather

What's on in Chittagong in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Hazard

    Monsoon landslides and waterlogging

    1 Jun – 30 Sep · usuallyLandslide season

    Heavy monsoon bursts bring deadly landslides on the cut hillsides around the city and knee-deep water in Agrabad and other low districts. Expect traffic standstills and check alerts before trips into the Hill Tracts. Source ↗

  • Season

    Wet season

    MonsoonRisk

    28 rainy days and about 513 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in August →

Where is Chittagong?

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Chittagong in August — FAQ

Is August a good time to visit Chittagong?
August in Chittagong: sweltering, soaked, with clean air — not the time — 28 rainy days. It ranks #10 of 12 months for Chittagong on SeasonMap's comfort score (39/100).
What is the weather like in Chittagong in August?
In August, Chittagong averages a daily high of 31.8°C and a low of 26.1°C, with about 512.7 mm of rain over roughly 28.3 rainy days.
What is the air quality in Chittagong in August?
Chittagong has a mean US Air Quality Index of about 44 in August.