Climate averages 1991–2020
Sunāmganj weather
in December.
A warm, very dry month: the 11th warmest and the 2nd 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 Sunāmganj: daytime highs average 24.0°C and nights cool to about 12.3°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 11 mm of rain on roughly 1 day, which makes December a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 37 min on an average December day.
The nearest other city in this atlas is Sylhet (51 km away). In December its highs average 24.7°C, 0.7°C warmer than Sunāmganj, with 12 mm of rain.
Among the 63 cities listed in Bangladesh, Sunāmganj ranks 63rd of 63 for the warmest December highs and joint 40th of 63 for the driest December (rainfall, lowest first). The mean December high of those 63 cities is 25.1°C; Sunāmganj is 1.1°C cooler than that mean.
From December to January, average highs fall by 1.3°C to 22.7°C, and monthly rainfall falls from 11 mm to 9.5 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
Sunāmganj climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 22.7°C10.6°C | 10.6°C | 9.5 | 1.6 | 10.811 h |
| February | 24.9°C12.9°C | 12.9°C | 38 | 4.5 | 11.311 h |
| March | 27.9°C16.8°C | 16.8°C | 155 | 10.2 | 12.012 h |
| April | 28.6°C20.3°C | 20.3°C | 519 | 21.9 | 12.713 h |
| May | 29.0°C22.5°C | 22.5°C | 751 | 28.1 | 13.313 h |
| June | 29.0°C24.2°C | 24.2°C | 918 | 29.6 | 13.714 h |
| July | 29.0°C24.5°C | 24.5°C | 916 | 30.8 | 13.514 h |
| August | 29.4°C24.6°C | 24.6°C | 723 | 30.6 | 13.013 h |
| September | 29.2°C23.9°C | 23.9°C | 521 | 27.8 | 12.312 h |
| October | 28.7°C21.1°C | 21.1°C | 219 | 15.7 | 11.612 h |
| November | 26.8°C16.2°C | 16.2°C | 28 | 2.8 | 10.911 h |
| December, selected | 24.0°C12.3°C | 12.3°C | 11 | 1.2 | 10.611 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
- Sylhet in DecemberBangladesh · 51 kmHigh 24.7°C · Low 13.3°C · 12 mm rain
- Netrakona in DecemberBangladesh · 71 kmHigh 25.1°C · Low 13.6°C · 8.9 mm rain
- Shillong in DecemberIndia · 74 kmHigh 16.9°C · Low 8.5°C · 16 mm rain
- Habiganj in DecemberBangladesh · 77 kmHigh 25.3°C · Low 14.3°C · 13 mm rain
- Kishorganj in DecemberBangladesh · 94 kmHigh 25.3°C · Low 14.2°C · 11 mm rain
- Mymensingh in DecemberBangladesh · 106 kmHigh 25.1°C · Low 14.0°C · 9.2 mm rain
- Nagar Naluākot in DecemberBangladesh · 120 kmHigh 25.3°C · Low 14.5°C · 13 mm rain
- Bhairab Bāzār in DecemberBangladesh · 121 kmHigh 25.3°C · Low 14.7°C · 13 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 Sunāmganj) is explained once on the Sunāmganj year overview and on the Sources, method and limits page.