SeasonMapSylhet weather in October
Bangladesh
October in Sylhet: hot, soaked, with poor air quality — a gamble, with 16 rainy days.
#7 of 12 months in Sylhet · #1240 of 1383 destinations to visit in October · comfort 54/100 (tier D)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sylhet in October
No notes yet. Open Sylhet on the map to add the first one.
Sylhet climate normals — October
| Daytime high | 30°C / 86°F | 🥵 hot |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Rainfall | 285 mm / 11.2 in | ⛈ soaked |
| Rainy days | 16 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 22°C / 72°F | |
| Sunshine | 8.5 h/day | |
| Daylight | 11.6 h | |
| Wind | 7 km/h / 4 mph | |
| Air quality (US AQI) | 102 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Sylhet in October
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)
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.
Best weatherFair weatherToughest weather
What's on in Sylhet in October
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Tea garden touring season
1 Oct – 31 Mar · usuallyHarvestAt Malnicherra, one of the world's oldest tea estates and inside the city itself, pickers work the bushes for two leaves and a bud through the cool, dry months from October to March, when clear skies make for easy walking between the rows. The June-to-September monsoon turns the paths to mud. Source ↗
Where is Sylhet?
Sylhet in October — FAQ
- Is October a good time to visit Sylhet?
- October in Sylhet: hot, soaked, with poor air quality — a gamble, with 16 rainy days. It ranks #7 of 12 months for Sylhet on SeasonMap's comfort score (54/100).
- What is the weather like in Sylhet in October?
- In October, Sylhet averages a daily high of 29.8°C and a low of 22.8°C, with about 285.2 mm of rain over roughly 16.4 rainy days.
- What is the air quality in Sylhet in October?
- Sylhet has a mean US Air Quality Index of about 102 in October.