Chittagong in Spring
In spring (March, April and May), Chittagong sees average daytime highs around 29°C and overnight lows near 26°C, with 436 mm of rain over about 34 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Over the season highs climb from about 27°C in early March to 30°C by late May. The sky is clear or mostly clear about 66% of the time across spring, and the air most often feels miserable.
Spring is Chittagong's 2nd-best season to visit on our travel score. For the whole year in context, see Chittagong's year-round climate.
- Avg daytime high
- 29°C
- warmest season of the year
- Avg overnight low
- 26°C
- Rainfall
- 436 mm
- 34 wet days
- Avg wind
- 15 km/h
- Travel score
- 5.8
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Chittagong in Spring
Over the season highs climb from about 27°C in early March to 30°C by late May.
A typical spring day in Chittagong reaches about 29°C and drops to 26°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Chittagong
Once humidity and wind are folded in, spring brings about 64 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Chittagong weather by month
How the three spring months (March, April and May) 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 Spring
The sky is clear or mostly clear about 66% of the time across spring.
Chance of precipitation in Spring
Chittagong gets around 436 mm of rain over 34 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 15 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 30 min in early March to 13 h 18 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.9 kWh/m².
Hazard calendar for Chittagong
In spring, Chittagong overlaps its cyclone and monsoon 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 spring a good time to visit Chittagong?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Chittagong for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Chittagong in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Chittagong sees daytime highs around 29°C and nights near 26°C. Pack light clothes, rain gear and sun protection. About 34 days see rain.
Sea temperature near Chittagong in Spring
The nearest coast averages about 28°C across spring — 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 Spring
Clear-sky midday UV across spring averages around 9 (very high — sun protection essential). 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 Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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.