Bangladesh in January

Dry and cool; best for the Sundarbans; Dhaka smog and Bishwa Ijtema traffic.

• Central delta · Dhaka, Mymensingh, Rajshahismoke haze

  Winter is dry and pleasant but Dhaka's air is among the world's worst December–February; April–May pre-monsoon storms (kalbaishakhi) bring hail and wind.

• North-east hills · Sylhet, Srimangalbest weather

  One of the wettest regions in Asia; flash floods from April; tea gardens green after the rains.

• South-east coast and hills · Chattogram, Cox's Bazar, Bandarban, Rangamatibest weather

  Cyclone seasons April–May and October–November; the hills need permits.

• South-west delta · Khulna, Sundarbans, Bagerhat, Kuakatabest weather

  Sundarbans trips run October–March; the forest closes to visitors in the breeding season (June–August, check).

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

• Bishwa Ijtema

  Jan (dates vary)

  One of the largest Muslim gatherings in the world at Tongi near Dhaka; roads north of the airport jammed.

Crowds · Bangladesh

Medium

Prices · Bangladesh

Medium

Nothing unusual for the weather this month.

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Rated best or good this month

• North-east hills

  Best weather of the year (Sylhet, Srimangal)

• South-east coast and hills

  Best weather of the year (Chattogram, Cox's Bazar, Bandarban, Rangamati)

• South-west delta

  Best weather of the year (Khulna, Sundarbans, Bagerhat, Kuakata)

• Dhaka

  Cool, dry, the best weather; winter smog can be heavy.

• Chattogram

  Best months: Nov–Feb (cooler, dry, low humidity)

• Cox's Bazar

  Best months: Nov–Mar (dry, calmer seas)