Chittagong in Winter
In winter (December, January and February), Chittagong sees average daytime highs around 24°C and overnight lows near 19°C, with 33 mm of rain over about 4 wet days across the season. It is the coldest season of the year and the driest season of the year.
Across winter, daytime highs hold fairly steady around 24°C. The sky is clear or mostly clear about 84% of the time across winter, and the air most often feels humid.
Winter is Chittagong's best season of the year to visit on our travel score. For the whole year in context, see Chittagong's year-round climate.
- Avg daytime high
- 24°C
- coldest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 33 mm
- 4 wet days
- Avg wind
- 11 km/h
- Travel score
- 9.1
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Chittagong in Winter
Across winter, daytime highs hold fairly steady around 24°C.
A typical winter day in Chittagong reaches about 24°C and drops to 19°C overnight. The warmest of the three months is February, the coolest January.
How winter really feels in Chittagong
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Chittagong weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 23° / 18° | 6 | 0.8 | 10.8 | 9.3 |
| Feb | 25° / 20° | 14 | 1.8 | 11.2 | 9.0 |
| Mar | 28° / 24° | 46 | 4.4 | 11.8 | 7.6 |
| Apr | 29° / 26° | 98 | 9.4 | 12.5 | 5.7 |
| May | 30° / 27° | 291 | 20.5 | 13.1 | 4.1 |
| Jun | 29° / 27° | 583 | 26.8 | 13.3 | 3.1 |
| Jul | 29° / 27° | 606 | 29.3 | 13.2 | 3.0 |
| Aug | 29° / 27° | 454 | 28.7 | 12.8 | 3.1 |
| Sep | 29° / 27° | 340 | 25.6 | 12.1 | 3.3 |
| Oct | 29° / 26° | 203 | 17.3 | 11.5 | 4.8 |
| Nov | 27° / 23° | 48 | 3.9 | 10.9 | 7.8 |
| Dec | 25° / 19° | 12 | 1.2 | 10.7 | 9.1 |
Cloud cover in Winter
The sky is clear or mostly clear about 84% of the time across winter.
Chance of precipitation in Winter
Chittagong gets around 33 mm of rain over 4 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 11 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 42 min in early December to 11 h 30 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 4.8 kWh/m².
Hazard calendar for Chittagong
In winter, Chittagong overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Chittagong sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Chittagong's monsoon runs May–September, when most of the year's rain falls.
Is winter a good time to visit Chittagong?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is one of the better times to visit Chittagong for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Chittagong in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Chittagong sees daytime highs around 24°C and nights near 19°C. Worth packing: light clothes and sun protection.
Sea temperature near Chittagong in Winter
The nearest coast averages about 23°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 22 km away) is warmest in October at about 29°C and coldest in January near 22°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 22 | 23 | 26 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 27 | 24 |
| Comfort | Refreshing | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 22 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 26 | Warm |
| Apr | 28 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 27 | Warm |
| Dec | 24 | Refreshing |
UV index in Chittagong in Winter
Clear-sky midday UV across winter averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Chittagong peaks around July 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 6 | 7 | 8 | 8 | 10 | 8 | 13 | 11 | 9 | 6 | 7 | 6 |
| Level | High | High | Very high | Very high | Extreme | Very high | Extreme | Extreme | Very high | High | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 7 | High |
| Mar | 8 | Very high |
| Apr | 8 | Very high |
| May | 10 | Extreme |
| Jun | 8 | Very high |
| Jul | 13 | Extreme |
| Aug | 11 | Extreme |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Chittagong in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Chittagong is worst in January — around 117 µg/m³ PM2.5 (unhealthy), about 5.3× the cleanest month (July, 22 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Chittagong's WHO annual average of 56.4 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 117 | 92 | 79 | 49 | 34 | 27 | 22 | 26 | 26 | 43 | 67 | 95 |
| Level | Unhealthy | Unhealthy | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 117 | Unhealthy |
| Feb | 92 | Unhealthy |
| Mar | 79 | Unhealthy |
| Apr | 49 | Poor |
| May | 34 | Moderate |
| Jun | 27 | Moderate |
| Jul | 22 | Moderate |
| Aug | 26 | Moderate |
| Sep | 26 | Moderate |
| Oct | 43 | Poor |
| Nov | 67 | Unhealthy |
| Dec | 95 | Unhealthy |
Where is Chittagong?
Chittagong sits at 22.3°N, 91.8°E, 15 m above sea level, in Bangladesh. The nearest listed city is Cox's Bazar, 102 km away.
Topography around Chittagong
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chittagong.
Within 3 km, the terrain around Chittagong has only modest variations in elevation — a maximum elevation change of 60 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 96 m; within 80 km, large variations in elevation — a maximum elevation change of 893 m.
The land around Chittagong is covered by artificial surfaces (62%) and trees (22%) within 3 km, trees (43%) and water (27%) within 16 km, and trees (53%) and water (33%) within 80 km.
Bangladesh travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type A / C / D / G
- 220 V · 50 Hz
- Prices
- ≈ 25% of US
- price level, 2025
- GDP per capita
- $2,597
- 2025
- Happiness
- 4.3 / 10
- World Happiness, 2025
- Safe drinking water
- 59%
- of population, 2024
- Homicide rate
- 2.3
- per 100k, 2018
- Road deaths
- 15.3
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Moderate
- EF EPI 506
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Chittagong (22.3384°, 91.8317°, elevation 15 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.