Sylhet monthly weather averages

  • Average daytime temperature

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

    Sylhet average temperature chart
    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.

    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

    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.

    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.

    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.

    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.

    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%

Other monthly averages

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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