The bar chart below shows the average monthly peak daytime temperatures at Sylhet
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 24.8 | 27.1 | 30.3 | 30.6 | 30.7 | 30.5 | 30.6 | 31.1 | 30.9 | 30.4 | 28.6 | 25.9 |
| °F | 76.7 | 80.8 | 86.6 | 87.1 | 87.2 | 86.8 | 87.1 | 88 | 87.6 | 86.7 | 83.5 | 78.6 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
The graph below shows the average rainfall and number of rainy days per month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 10 | 44 | 111 | 342 | 513 | 799 | 809 | 640 | 502 | 238 | 31 | 9 |
| inches | 0.4 | 1.7 | 4.4 | 13.5 | 20.2 | 31.5 | 31.8 | 25.2 | 19.8 | 9.4 | 1.2 | 0.4 |
| Rainy days | 1 | 2 | 5 | 11 | 14 | 18 | 18 | 17 | 12 | 6 | 2 | 1 |
Average annual rainfall in Sylhet: 4163.734mm (1639.3 inches)
The bar chart below shows the average daily sunshine hours in Sylhet
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 8.6 | 8.4 | 7.8 | 7.3 | 6.3 | 4.1 | 3.4 | 4.2 | 4.4 | 7 | 8.6 | 8.7 |
The graph below shows the daily range of temperatures for each month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 12.3 | 14 | 17.8 | 21 | 22.8 | 24.6 | 25.1 | 25.2 | 24.6 | 22.4 | 17.9 | 13.8 |
| Max °C | 25.2 | 27.5 | 30.7 | 30.9 | 30.9 | 30.6 | 30.8 | 31.3 | 31.1 | 30.6 | 28.9 | 26.2 |
| Min °F | 54.1 | 57.1 | 64 | 69.7 | 73 | 76.3 | 77.1 | 77.3 | 76.2 | 72.3 | 64.2 | 56.8 |
| Max °F | 65.7 | 69.3 | 75.6 | 78.6 | 80.2 | 81.7 | 82.2 | 82.8 | 82 | 79.7 | 74.1 | 68 |
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 21.2 | 21.5 | 23.3 | 25.3 | 26.9 | 27.9 | 28 | 27.6 | 27.5 | 27 | 25.2 | 22.8 |
| °F | 70.2 | 70.7 | 73.9 | 77.5 | 80.5 | 82.2 | 82.4 | 81.6 | 81.5 | 80.5 | 77.3 | 73 |
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 3 | 4 | 5 | 7 | 5 | 5 | 5 | 4 | 4 | 3 | 3 | 3 |
| mph | 2 | 2 | 3 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 77% | 68% | 64% | 73% | 79% | 86% | 87% | 86% | 86% | 82% | 80% | 80% |
| Hottest month: | August | 31.1°C 88°F |
|---|---|---|
| Driest month: | December | 9mm 0.4ins |
| Sunniest month: | December | 8.7hrs |
| Coldest month: | January | 24.8°C 76.6°F |
| Wettest month: | July | 809mm 31.9ins |
| Warmest sea: | July | 28°C 82.4°F |