Chittagong weather in December
Bangladesh

December in Chittagong: warm, dry, with muggy air — an excellent time to visit.
#3 of 12 months in Chittagong · #243 of 1383 destinations to visit in December · comfort 86/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Chittagong in December
No notes yet. Open Chittagong on the map to add the first one.
Chittagong climate normals — December
| Daytime high | 25°C / 77°F | 🌤 warm |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Sea temperature | 24°C / 75°F | 🙂 pleasant |
| Rainfall | 16 mm / 0.6 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 18°C / 64°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 10.8 h | |
| Wind | 12 km/h / 8 mph | |
| Air quality (US AQI) | 93 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Chittagong in December
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 5 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Chittagong'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 weatherChittagong's weather peaks December–February, best around January.
Best weatherFair weatherToughest weather
What's on in Chittagong in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Post-monsoon cyclone season
1 Oct – 15 Dec · usuallyThe second window, peaking in November, and statistically the more active of the two across the Bay. Most years pass without a serious hit on the city, but the shipping and the ferries stop for days when one comes. Source ↗
Where is Chittagong?
Chittagong in December — FAQ
- Is December a good time to visit Chittagong?
- December in Chittagong: warm, dry, with muggy air — an excellent time to visit. It ranks #3 of 12 months for Chittagong on SeasonMap's comfort score (86/100).
- What is the weather like in Chittagong in December?
- In December, Chittagong averages a daily high of 25°C and a low of 17.8°C, with about 16.1 mm of rain over roughly 1.8 rainy days.
- What is the air quality in Chittagong in December?
- Chittagong has a mean US Air Quality Index of about 93 in December.