Climate averages 1991–2020
Cox’s Bāzār weather
in December.
A warm, fairly dry month: the 11th warmest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Cox’s Bāzār: daytime highs average 25.2°C and nights cool to about 18.0°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 15 mm of rain on roughly 1 day, which makes December a fairly dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 51 min on an average December day.
The nearest other city in this atlas is Chattogram (102 km away). In December its highs average 24.7°C, about as warm as Cox’s Bāzār, with 12 mm of rain.
Among the 63 cities listed in Bangladesh, Cox’s Bāzār ranks joint 26th of 63 for the warmest December highs and 63rd of 63 for the driest December (rainfall, lowest first). The mean December high of those 63 cities is 25.1°C; Cox’s Bāzār is 0.1°C warmer than that mean.
From December to January, average highs fall by 0.9°C to 24.3°C, and monthly rainfall falls from 15 mm to 5.0 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Cox’s Bāzār climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.3°C16.6°C | 16.6°C | 5.0 | 0.6 | 11.011 h |
| February | 26.7°C18.4°C | 18.4°C | 10 | 1.2 | 11.411 h |
| March | 29.8°C21.9°C | 21.9°C | 27 | 2.6 | 12.012 h |
| April | 31.3°C24.8°C | 24.8°C | 53 | 6.4 | 12.613 h |
| May | 30.8°C25.8°C | 25.8°C | 221 | 18.3 | 13.113 h |
| June | 29.0°C25.7°C | 25.7°C | 584 | 27.3 | 13.413 h |
| July | 28.1°C25.3°C | 25.3°C | 658 | 30.0 | 13.313 h |
| August | 28.3°C25.2°C | 25.2°C | 466 | 29.8 | 12.913 h |
| September | 28.8°C25.1°C | 25.1°C | 341 | 26.5 | 12.312 h |
| October | 29.0°C24.3°C | 24.3°C | 196 | 17.1 | 11.712 h |
| November | 27.6°C21.4°C | 21.4°C | 42 | 4.3 | 11.111 h |
| December, selected | 25.2°C18.0°C | 18.0°C | 15 | 1.3 | 10.911 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Chattogram in DecemberBangladesh · 102 kmHigh 24.7°C · Low 17.4°C · 12 mm rain
- Hāthazāri in DecemberBangladesh · 120 kmHigh 25.2°C · Low 16.9°C · 9.6 mm rain
- Rangamati in DecemberBangladesh · 135 kmHigh 25.8°C · Low 16.2°C · 9.7 mm rain
- Bibir Hat in DecemberBangladesh · 140 kmHigh 25.4°C · Low 16.1°C · 8.0 mm rain
- Karnaphuli in DecemberBangladesh · 141 kmHigh 25.5°C · Low 16.3°C · 9.7 mm rain
- Sittwe in DecemberMyanmar · 171 kmHigh 26.6°C · Low 19.5°C · 12 mm rain
- Maijdi in DecemberBangladesh · 184 kmHigh 25.9°C · Low 14.2°C · 6.6 mm rain
- Feni in DecemberBangladesh · 186 kmHigh 25.9°C · Low 14.3°C · 7.3 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Cox’s Bāzār) is explained once on the Cox’s Bāzār year overview and on the Sources, method and limits page.