Climate averages 1991–2020
Sylhet weather
in June.
A hot, very wet month: the 4th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a hot month in Sylhet: daytime highs average 30.0°C and nights cool to about 24.7°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 953 mm of rain on roughly 30 days, which makes June a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 39 min on an average June day.
The nearest other city in this atlas is Sunāmganj (51 km away). In June its highs average 29.0°C, 0.9°C cooler than Sylhet, with 918 mm of rain.
Among the 63 cities listed in Bangladesh, Sylhet ranks 58th of 63 for the warmest June highs and 63rd of 63 for the driest June (rainfall, lowest first). The mean June high of those 63 cities is 31.2°C; Sylhet is 1.2°C cooler than that mean.
From June to July, average highs rise by 0.1°C to 30.1°C, and monthly rainfall falls from 953 mm to 940 mm.
The annual picture
June 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
Sylhet climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 23.5°C11.6°C | 11.6°C | 10 | 1.8 | 10.811 h |
| February | 25.8°C13.7°C | 13.7°C | 48 | 4.7 | 11.311 h |
| March | 28.6°C17.4°C | 17.4°C | 186 | 11.2 | 12.012 h |
| April | 29.4°C20.9°C | 20.9°C | 559 | 21.4 | 12.713 h |
| May | 29.8°C23.1°C | 23.1°C | 759 | 27.6 | 13.313 h |
| June, selected | 30.0°C24.7°C | 24.7°C | 953 | 29.5 | 13.714 h |
| July | 30.1°C25.0°C | 25.0°C | 940 | 30.8 | 13.514 h |
| August | 30.4°C25.1°C | 25.1°C | 733 | 30.7 | 13.013 h |
| September | 30.1°C24.5°C | 24.5°C | 523 | 27.6 | 12.312 h |
| October | 29.3°C22.1°C | 22.1°C | 217 | 14.8 | 11.612 h |
| November | 27.3°C17.3°C | 17.3°C | 28 | 2.3 | 11.011 h |
| December | 24.7°C13.3°C | 13.3°C | 12 | 1.0 | 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
June in nearby cities
- Sunāmganj in JuneBangladesh · 51 kmHigh 29.0°C · Low 24.2°C · 918 mm rain
- Habiganj in JuneBangladesh · 74 kmHigh 31.0°C · Low 25.3°C · 457 mm rain
- Shillong in JuneIndia · 74 kmHigh 23.5°C · Low 18.6°C · 697 mm rain
- Silchar in JuneIndia · 94 kmHigh 30.3°C · Low 24.8°C · 510 mm rain
- Netrakona in JuneBangladesh · 115 kmHigh 30.8°C · Low 25.0°C · 550 mm rain
- Kishorganj in JuneBangladesh · 121 kmHigh 31.1°C · Low 25.4°C · 469 mm rain
- Brāhmanbāria in JuneBangladesh · 128 kmHigh 31.1°C · Low 25.6°C · 391 mm rain
- Ashuganj City in JuneBangladesh · 129 kmHigh 31.0°C · Low 25.6°C · 391 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 Sylhet) is explained once on the Sylhet year overview and on the Sources, method and limits page.