Chittagong
Bangladesh
Chittagong has warmed by about +1.5 °C since 1981.Its rainy-season rain shows no clear change.It lies in the Ganges-Brahmaputra-Meghna delta and Northeast India and Myanmar hills and Bay of Bengal regions.
Temperature
Whole year
Getting warmer
+0.34 °C
every 10 years
Very sure this is a real change
Hot season (March–May): +0.33 °C every 10 years.
Each year Long-term trend Likely range of the trend (95%)
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- Rate (Sen's slope)
- +0.337 °C/decade
- 95% range
- +0.284 to +0.386
- p-value (modified Mann–Kendall)
- p < 0.001
- Passes the map-wide check (FDR)
- Yes
- Map square used
- 23.00°N, 91.00°E (107 km from the city)
- Data
- NASA GISTEMP v4 (GISS), 2° grid
Rain
Rainy season (June–September)
No clear change
−43 mm
every 10 years (−1.9% of the usual amount)
Not sure: could be natural ups and downs
Whole year: no clear change.
Each year Long-term trend Likely range of the trend (95%)
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- Rate (Sen's slope)
- −42.8 mm/decade
- 95% range
- −110.9 to +26.2
- p-value (modified Mann–Kendall)
- p = 0.21
- Passes the map-wide check (FDR)
- No
- Map square used
- 21.25°N, 91.25°E (135 km from the city)
- Data
- GPCP v2.3 monthly precipitation (NASA GSFC / NOAA), 2.5° grid
Disasters around Chittagong
Floods
17
flood alerts within 150 km since 2000, 4 of them serious or severe.
Most recent: May 2025.
Landslides
47
reported landslides within 100 km (2007–2017), 529 people died.
Deadliest: 128 people died, June 2007.
Fires
72
fires a year seen by satellite nearby in March–May (2003–2024 average).