SeasonMapSundarbans weather by month
Bangladesh
The best time to visit Sundarbans is December to February — 87/100 in January, 25°C and 2 rainy days. The best season is the dry season, November to April (72/100 on average).
The worst month is June at 36/100 — sweltering, soaked, muggy air. See June →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Bangladesh →
Sundarbans, month by month
Comfort score out of 100 for the kind of trip Sundarbans is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 87 | A | 25°C | 2 d | 10 h | Busy | 1 |
| FebFebruary | 80 | A | 28°C | 2 d | 10 h | Busy | 1 |
| MarMarch | 63 | C | 32°C | 6 d | 11 h | Shoulder | — |
| AprApril | 45 | F | 35°C | 9 d | 11 h | Shoulder | 1 |
| MayMay | 43 | F | 34°C | 16 d | 10 h | Shoulder | 1 |
| JunJune | 36 | F | 32°C | 24 d | 8 h | Quiet | 1 |
| JulJuly | 41 | F | 31°C | 29 d | 8 h | Quiet | 1 |
| AugAugust | 38 | F | 31°C | 28 d | 7 h | Quiet | 1 |
| SepSeptember | 50 | D | 31°C | 25 d | 8 h | Shoulder | — |
| OctOctober | 58 | D | 30°C | 15 d | 9 h | Shoulder | 1 |
| NovNovember | 74 | B | 28°C | 3 d | 9 h | Shoulder | 2 |
| DecDecember | 83 | A | 25°C | 2 d | 9 h | Busy | 1 |
What's on in Sundarbans through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
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