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Sylhet Weather in October
October in Sylhet brings very high temperatures, with daytime highs of 32°C (90°F) and nights around 23°C (73°F). It's part of the rainy season, with 215 mm (8.5 in) of rainfall on average, so an umbrella or poncho is a good idea.
Rainfall in Sylhet in October
As part of the rainy season, Sylhet sees around 6 days of rain in October, with an average of 215 mm (8.5 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Sylhet in October
October in Sylhet brings typical temperatures with highs around 32°C (90°F) and lows of 23°C (73°F). For most visitors, the main thing to prepare for is the heat during the day. Nights stay warm at around 23°C (73°F), so light bedding and good ventilation are worth thinking about.October in Sylhet has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Sylhet Temperature in October
Min Temperature
23°C (73°F)
Max Temperature
32°C (90°F)
Chance of Rain
21%
Precipitation
215 mm (8.5 in)
Rainy days
6 days
Sylhet Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sylhet - and find the best time to visit.
Daily Historical Temperatures
44-year average (1977-2025)
Based on our historical records, temperatures in Sylhet typically stay consistent throughout October, with daily highs averaging around 32°C (90°F). Nights are warm, with lows typically ranging from 20°C (68°F) to 24°C (75°F).
Average temperatures in October
Historical weather records for Sylhet in October
Browse day-by-day weather records for Sylhet spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sylhet historical weather extremes in October
Based on 20 years of weather observations in Sylhet between 2005 and 2025, these are the recorded extremes.
- The warmest day in October was on October 19, 2012, with a maximum of 38°C (100°F).
- Sylhet experienced its chilliest October day on October 23, 2005, reaching only 22°C (72°F).
- Sylhet registered its coldest October night on October 20, 2018, with temperatures dropping to 12°C (54°F).
Best Places in Bangladesh in October
Find out more about the weather in Bangladesh and which places have the best travel conditions in this month. See all of Bangladesh in October →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Sylhet in October
Warm weather calls for comfortable, breathable clothing in October. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.
What To Do in Sylhet in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Sylhet 3-Day Forecast
More climate data for Sylhet
See the full Sylhet climate overview or explore weather in Bangladesh.
Popular in October
Where to go in October - average daytime high across popular destinations.
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