Sylhet weather in August 2025

Expect 31°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Sylhet in August. Check more long-term weather averages for Sylhet in August before you book your next holiday to Bangladesh in 2025/2026.

  • 31°C maximum daytime temperature in August in Sylhet31
    31°C max day temperature
  • 4 hours of sunshine per day
  • 17 days with some rainfall in August in Sylhet17
    17 days with some rainfall
  • 25°C minimum night-time temperature in August in Sylhet25
    25°C min night temperature
  • 13 hours of daylight per day in August in Sylhet13
    13 hours of daylight per day
  • Very high heat & humidity in August in SylhetVH
    Very High heat & humidity
  • 640 mm monthly rainfall in August in Sylhet640
    640 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Sylhet11
    11+ (Extreme) UV index

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The August weather guide for Bangladesh (Sylhet) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Sylhet in August?

Daytime temperatures usually reach 31°C in Sylhet in August with very high heat and humidity, falling to 25°C at night.

How sunny is it in Sylhet in August?

There are normally 4 hours of bright sunshine each day in Sylhet in August - that's 30% of daylight hours.

Does it rain in Sylhet in August?

There are usually 17 days with some rain in Sylhet in August and the average monthly rainfall is 640mm.

Sylhet August sunrise & sunset times

Browse the sunrise and sunset times for Sylhet in August 2025. Select a month to view Sylhet sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:20 19:37
Saturday, 16th August 2025 06:27 19:26
Sunday, 31st August 2025 06:33 19:12

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