Sylhet monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Sylhet

Sylhet average temperature chart (Celsius) Sylhet average temperature chart (Fahrenheit)
Average monthly temperatures in Sylhet (degrees centigrade and fahrenheit)
  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.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Sylhet monthly rainfall chart (mm) Sylhet monthly rainfall chart (inches)
Average monthly rainfall in Sylhet (mm and inches)
  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 daily sunshine

The bar chart below shows the average daily sunshine hours in Sylhet

Sylhet average daily sunshine chart
Average daily sunshine 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

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Sylhet average minimum / maximum temperatures (Celsius) Sylhet average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Sylhet (degrees centigrade and fahrenheit)
  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

Sea temperature

The graph below shows the average sea temperature.

Sylhet average sea temperature chart (Celsius) Sylhet average sea temperature chart (Fahrenheit)
Average sea temperature around Sylhet in degrees centigrade and fahrenheit
  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

Wind speed

The graph below shows the average wind speed.

Sylhet average winspeed by month (km/h) Sylhet average winspeed by month (mph)
Average wind speed in Sylhet (mph and kmh)
  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.

Relative humidity

The graph below shows the average relative humidity.

Sylhet relative humidity averages
Average relative humidity in Sylhet
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
77% 68% 64% 73% 79% 86% 87% 86% 86% 82% 80% 80%
Sylhet

Other monthly averages

UV index Best time to go?

Sylhet weather stats

Sylhet weather statistics
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
Map showing location of Sylhet (24.89904, 91.87198)

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