SeasonMapSundarbans weather in January
Bangladesh
January in Sundarbans: warm, dry, with poor air quality — fine if you can take poor air.
#1 of 12 months in Sundarbans · #277 of 1383 destinations to visit in January · comfort 87/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sundarbans in January
Notes from nearby Kolkata (126 km away)
Sundarbans doesn't have its own notes for January yet — these are about Kolkata, close enough to share the season.
Kolkata's forum rates December and January as the city's best stretch — genuinely cool mornings and evenings by local standards, warm but not oppressive by day. Regulars note the city's air quality holds up noticeably better than northern Indian cities in the same season, thanks to coastal airflow and no crop-burning smoke to contend with.
Add your own note from Sundarbans's card on the map.
Sundarbans climate normals — January
| Daytime high | 25°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Feels like (high) | 25°C / 77°F | |
| Rainfall | 8 mm / 0.3 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 13°C / 56°F | |
| Sunshine | 9.6 h/day | |
| Daylight | 10.9 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 166 | ⚠️ unhealthy |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Sundarbans in January
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.
Busyschool holidays in 6 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Sundarbans'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).
Best weatherSundarbans's weather peaks December–February, best around January.
Best weatherFair weatherToughest weather
What's on in Sundarbans in January
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Launch cruise season
15 Nov – 28 FebDry seasonBook earlyThe cool dry months are when the two and three-night launches run out of Mongla and Khulna. Nothing moves inside the forest without an armed forest guard aboard, so the boat you book is the trip you get.
Nearby, and something's on
Within 300 km of Sundarbans — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Sundarbans?
Sundarbans in January — FAQ
- Is January a good time to visit Sundarbans?
- January in Sundarbans: warm, dry, with poor air quality — fine if you can take poor air. It ranks #1 of 12 months for Sundarbans on SeasonMap's comfort score (87/100).
- What is the weather like in Sundarbans in January?
- In January, Sundarbans averages a daily high of 24.7°C and a low of 13.9°C, with about 7.5 mm of rain over roughly 1.6 rainy days.
- What is the air quality in Sundarbans in January?
- Sundarbans has a mean US Air Quality Index of about 166 in January.
Other months in Sundarbans
Compare Sundarbans in January
Warmer or cooler than Sundarbans in January
Similar destinations in South Asia — January
Within 300 km: Kolkata's Park Street at Christmas on 18 Dec – 1 Jan.