Sylhet weather in April

Bangladesh

Sylhet, Bangladesh
Photo: Tanha Tamanna Syed · Pexels

April in Sylhet: hot, soaked, with poor air quality — a gamble, with 18 rainy days.

#6 of 12 months in Sylhet · #1269 of 1383 destinations to visit in April · comfort 59/100 (tier D)

Updated September 2026 · climate normals from ERA5 reanalysis

Traveller notes on Sylhet in April

No notes yet. Open Sylhet on the map to add the first one.

Sylhet climate normals — April

Daytime high31°C / 87°F🥵 hot
Nighttime low21°C / 70°F
Rainfall227 mm / 8.9 in⛈ soaked
Rainy days18 days
Humidity80%💦 very humid
Dew point22°C / 71°F
Sunshine10 h/day
Daylight12.8 h
Wind8 km/h / 5 mph
Air quality (US AQI)129😷 poor

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

Crowds in Sylhet in April

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.

Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Sylhet'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).

Fair weatherSylhet's weather peaks December–February, best around January.

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Best weatherFair weatherToughest weather

Where is Sylhet?

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Sylhet in April — FAQ

Is April a good time to visit Sylhet?
April in Sylhet: hot, soaked, with poor air quality — a gamble, with 18 rainy days. It ranks #6 of 12 months for Sylhet on SeasonMap's comfort score (59/100).
What is the weather like in Sylhet in April?
In April, Sylhet averages a daily high of 30.5°C and a low of 20.9°C, with about 227 mm of rain over roughly 18.4 rainy days.
What is the air quality in Sylhet in April?
Sylhet has a mean US Air Quality Index of about 129 in April.

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