Chittagong weather in October
In October, Chittagong sees average daytime highs of 29°C and overnight lows near 26°C, with 203 mm of rain across 17.3 wet days and about 11.5 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 47% of the time in October, and the air most often feels miserable.
Daylight stretches from about 11 h 48 min at the start of October to 11 h 12 min by month's end. Set against the rest of the year, October is Chittagong's 8th-clearest and 11th-windiest month. For the whole year in context, see Chittagong's year-round climate.
- Daytime high
- 29°
- 4th warmest
- Overnight low
- 26°
- 6th coldest
- Rainfall
- 203 mm
- 17.3 wet days
- Daylight
- 11 h 30 min
- 5:53 AM – 5:22 PM
- Cloud cover
- 50%
- 8th clearest
- Wind
- 10 km/h
- 11th windiest
- Solar energy
- 4.4 kWh/m²
- Travel score
- 4.8
- out of 10
Chittagong is second largest city of Bangladesh, situated at the southwestern part of the country.
- Air quality
- Severe
- PM2.5 56.4 µg/m³ · 2018
- Density
- 24,351/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Day-to-day highs hold fairly steady near 29°C through the month.
A typical October day in Chittagong reaches about 29°C in the afternoon and slips back to 26°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, October runs on par with September and about 2°C warmer than November.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 27 |
| 2 | 29 | 26 |
| 3 | 29 | 26 |
| 4 | 29 | 26 |
| 5 | 29 | 26 |
| 6 | 29 | 26 |
| 7 | 29 | 26 |
| 8 | 29 | 26 |
| 9 | 29 | 26 |
| 10 | 29 | 26 |
| 11 | 29 | 26 |
| 12 | 29 | 26 |
| 13 | 29 | 26 |
| 14 | 29 | 26 |
| 15 | 29 | 26 |
| 16 | 29 | 26 |
| 17 | 29 | 26 |
| 18 | 29 | 26 |
| 19 | 29 | 26 |
| 20 | 29 | 26 |
| 21 | 29 | 26 |
| 22 | 29 | 26 |
| 23 | 29 | 26 |
| 24 | 29 | 26 |
| 25 | 29 | 25 |
| 26 | 29 | 25 |
| 27 | 29 | 25 |
| 28 | 29 | 25 |
| 29 | 29 | 25 |
| 30 | 29 | 25 |
| 31 | 29 | 25 |
How October really feels in Chittagong
Once humidity and wind are folded in, October averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Chittagong weather by month
How October compares with the rest of the year at a glance. October is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.
| 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 October
The sky is clear or mostly clear about 47% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 9% of October, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 34 | 35 | 38 | 40 | 40 | 43 | 45 | 45 | 47 | 50 | 51 | 52 | 54 | 56 | 57 | 59 | 60 | 63 | 63 | 64 | 65 | 66 | 66 | 67 | 67 | 68 | 68 | 69 | 69 | 70 | 70 |
| Cloudier (%) | 66 | 65 | 62 | 60 | 60 | 57 | 55 | 55 | 53 | 50 | 49 | 48 | 46 | 44 | 43 | 41 | 40 | 37 | 37 | 36 | 35 | 34 | 34 | 33 | 33 | 32 | 32 | 31 | 31 | 30 | 30 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 34 | 66 |
| 2 | 35 | 65 |
| 3 | 38 | 62 |
| 4 | 40 | 60 |
| 5 | 40 | 60 |
| 6 | 43 | 57 |
| 7 | 45 | 55 |
| 8 | 45 | 55 |
| 9 | 47 | 53 |
| 10 | 50 | 50 |
| 11 | 51 | 49 |
| 12 | 52 | 48 |
| 13 | 54 | 46 |
| 14 | 56 | 44 |
| 15 | 57 | 43 |
| 16 | 59 | 41 |
| 17 | 60 | 40 |
| 18 | 63 | 37 |
| 19 | 63 | 37 |
| 20 | 64 | 36 |
| 21 | 65 | 35 |
| 22 | 66 | 34 |
| 23 | 66 | 34 |
| 24 | 67 | 33 |
| 25 | 67 | 33 |
| 26 | 68 | 32 |
| 27 | 68 | 32 |
| 28 | 69 | 31 |
| 29 | 69 | 31 |
| 30 | 70 | 30 |
| 31 | 70 | 30 |
Chance of precipitation in October
Chittagong gets around 203 mm of rain over 17.3 wet days in October. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 55% and peaks near 78% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 78 | 77 | 76 | 75 | 74 | 73 | 72 | 71 | 70 | 68 | 66 | 65 | 63 | 60 | 58 | 56 | 54 | 51 | 49 | 47 | 45 | 43 | 41 | 39 | 38 | 36 | 35 | 33 | 32 | 30 | 29 |
| Rain chance (%) | |
|---|---|
| 1 | 78 |
| 2 | 77 |
| 3 | 76 |
| 4 | 75 |
| 5 | 74 |
| 6 | 73 |
| 7 | 72 |
| 8 | 71 |
| 9 | 70 |
| 10 | 68 |
| 11 | 66 |
| 12 | 65 |
| 13 | 63 |
| 14 | 60 |
| 15 | 58 |
| 16 | 56 |
| 17 | 54 |
| 18 | 51 |
| 19 | 49 |
| 20 | 47 |
| 21 | 45 |
| 22 | 43 |
| 23 | 41 |
| 24 | 39 |
| 25 | 38 |
| 26 | 36 |
| 27 | 35 |
| 28 | 33 |
| 29 | 32 |
| 30 | 30 |
| 31 | 29 |
Humidity in October
Most of October feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the miserable band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 6 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| Oppressive (%) | 3 | 4 | 4 | 5 | 5 | 6 | 7 | 8 | 9 | 11 | 13 | 15 | 17 | 20 | 23 | 26 | 29 | 32 | 35 | 38 | 41 | 44 | 47 | 50 | 53 | 55 | 57 | 59 | 61 | 62 | 63 |
| Miserable (%) | 97 | 96 | 96 | 95 | 95 | 94 | 93 | 92 | 91 | 89 | 86 | 84 | 82 | 79 | 76 | 73 | 69 | 66 | 62 | 59 | 55 | 52 | 48 | 44 | 41 | 38 | 35 | 32 | 29 | 27 | 25 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 0 | 3 | 97 |
| 2 | 0 | 4 | 96 |
| 3 | 0 | 4 | 96 |
| 4 | 0 | 5 | 95 |
| 5 | 0 | 5 | 95 |
| 6 | 0 | 6 | 94 |
| 7 | 0 | 7 | 93 |
| 8 | 0 | 8 | 92 |
| 9 | 0 | 9 | 91 |
| 10 | 0 | 11 | 89 |
| 11 | 1 | 13 | 86 |
| 12 | 1 | 15 | 84 |
| 13 | 1 | 17 | 82 |
| 14 | 1 | 20 | 79 |
| 15 | 1 | 23 | 76 |
| 16 | 1 | 26 | 73 |
| 17 | 2 | 29 | 69 |
| 18 | 2 | 32 | 66 |
| 19 | 3 | 35 | 62 |
| 20 | 3 | 38 | 59 |
| 21 | 4 | 41 | 55 |
| 22 | 4 | 44 | 52 |
| 23 | 5 | 47 | 48 |
| 24 | 6 | 50 | 44 |
| 25 | 6 | 53 | 41 |
| 26 | 7 | 55 | 38 |
| 27 | 8 | 57 | 35 |
| 28 | 9 | 59 | 32 |
| 29 | 10 | 61 | 29 |
| 30 | 11 | 62 | 27 |
| 31 | 12 | 63 | 25 |
Wind in October
Winds average 10 km/h in October.
Across October, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in October
Daylight runs from about 11 h 48 min at the start of October to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 36 minutes over October. Sunrise moves from 5:48 AM to 6:01 AM, and sunset from 5:36 PM to 5:12 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.2 | 11.2 | 11.2 | 11.2 |
| Sunrise (AM) | 5:48 | 5:48 | 5:48 | 5:49 | 5:49 | 5:50 | 5:50 | 5:50 | 5:51 | 5:51 | 5:51 | 5:52 | 5:52 | 5:53 | 5:53 | 5:53 | 5:54 | 5:54 | 5:55 | 5:55 | 5:56 | 5:56 | 5:57 | 5:57 | 5:58 | 5:58 | 5:59 | 5:59 | 6:00 | 6:00 | 6:01 |
| Sunset (PM) | 5:36 | 5:35 | 5:34 | 5:33 | 5:32 | 5:31 | 5:30 | 5:29 | 5:28 | 5:27 | 5:26 | 5:25 | 5:24 | 5:24 | 5:23 | 5:22 | 5:21 | 5:20 | 5:20 | 5:19 | 5:18 | 5:17 | 5:17 | 5:16 | 5:15 | 5:15 | 5:14 | 5:13 | 5:13 | 5:12 | 5:12 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 5:48 | 5:36 |
| 2 | 11.8 | 5:48 | 5:35 |
| 3 | 11.8 | 5:48 | 5:34 |
| 4 | 11.7 | 5:49 | 5:33 |
| 5 | 11.7 | 5:49 | 5:32 |
| 6 | 11.7 | 5:50 | 5:31 |
| 7 | 11.7 | 5:50 | 5:30 |
| 8 | 11.6 | 5:50 | 5:29 |
| 9 | 11.6 | 5:51 | 5:28 |
| 10 | 11.6 | 5:51 | 5:27 |
| 11 | 11.6 | 5:51 | 5:26 |
| 12 | 11.6 | 5:52 | 5:25 |
| 13 | 11.5 | 5:52 | 5:24 |
| 14 | 11.5 | 5:53 | 5:24 |
| 15 | 11.5 | 5:53 | 5:23 |
| 16 | 11.5 | 5:53 | 5:22 |
| 17 | 11.5 | 5:54 | 5:21 |
| 18 | 11.4 | 5:54 | 5:20 |
| 19 | 11.4 | 5:55 | 5:20 |
| 20 | 11.4 | 5:55 | 5:19 |
| 21 | 11.4 | 5:56 | 5:18 |
| 22 | 11.4 | 5:56 | 5:17 |
| 23 | 11.3 | 5:57 | 5:17 |
| 24 | 11.3 | 5:57 | 5:16 |
| 25 | 11.3 | 5:58 | 5:15 |
| 26 | 11.3 | 5:58 | 5:15 |
| 27 | 11.3 | 5:59 | 5:14 |
| 28 | 11.2 | 5:59 | 5:13 |
| 29 | 11.2 | 6:00 | 5:13 |
| 30 | 11.2 | 6:00 | 5:12 |
| 31 | 11.2 | 6:01 | 5:12 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 4.4 kWh/m².
For context, solar energy here swings from a low near 3.87 kWh/m² to a high of 6.16 kWh/m² in April across the year — October's 4.4 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.4 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.4 | Bright |
| 2 | 4.4 | Bright |
| 3 | 4.4 | Bright |
| 4 | 4.4 | Bright |
| 5 | 4.4 | Bright |
| 6 | 4.4 | Bright |
| 7 | 4.4 | Bright |
| 8 | 4.4 | Bright |
| 9 | 4.4 | Bright |
| 10 | 4.4 | Bright |
| 11 | 4.4 | Bright |
| 12 | 4.4 | Bright |
| 13 | 4.4 | Bright |
| 14 | 4.4 | Bright |
| 15 | 4.4 | Bright |
| 16 | 4.4 | Bright |
| 17 | 4.4 | Bright |
| 18 | 4.4 | Bright |
| 19 | 4.5 | Bright |
| 20 | 4.5 | Bright |
| 21 | 4.5 | Bright |
| 22 | 4.5 | Bright |
| 23 | 4.5 | Bright |
| 24 | 4.5 | Bright |
| 25 | 4.5 | Bright |
| 26 | 4.5 | Bright |
| 27 | 4.5 | Bright |
| 28 | 4.4 | Bright |
| 29 | 4.4 | Bright |
| 30 | 4.4 | Bright |
| 31 | 4.4 | Bright |
Hazard calendar for Chittagong
In October, Chittagong sits inside 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 October a good time to visit Chittagong?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October 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 October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Chittagong sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. About 17 days see rain.
Sea temperature near Chittagong in October
The nearest coast averages about 29°C in October — 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 October
Clear-sky midday UV in October peaks 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 October
Average fine-particle pollution (PM2.5) through the year — so you can see where October 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).