Trincomalee monthly weather averages

  • Average daytime temperature

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

    Trincomalee average temperature chart
    Average monthly temperatures in Trincomalee (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 27.8 29.1 30.8 32.8 34.4 34.6 34.2 34 33.7 31.6 29.2 28.1
    °F 82.1 84.4 87.4 91.1 93.8 94.2 93.6 93.3 92.7 88.9 84.6 82.5

    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 Trincomalee (mm and inches)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 125 106 56 55 49 25 63 84 96 223 343 367
    inches 4.9 4.2 2.2 2.2 1.9 1 2.5 3.3 3.8 8.8 13.5 14.4
    Rainy days 7 5 4 6 4 2 4 5 6 12 16 16
  • Average daily sunshine

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

    Average daily sunshine Trincomalee
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 7.1 8 9.2 8.7 7.7 7.1 6.9 7.8 7.3 7 6 6
  • Day / night temperatures

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

    Maximum and minimum daily temperatures in Trincomalee (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C 24.3 24.6 25.1 25.8 26.5 26.5 25.8 25.6 25.3 24.6 24.3 24.3
    Max °C 27.9 29.3 30.9 33 34.6 34.8 34.4 34.3 34 31.8 29.4 28.2
    Min °F 75.7 76.2 77.2 78.4 79.6 79.6 78.4 78 77.5 76.3 75.7 75.7
    Max °F 79 80.4 82.4 84.9 86.9 87.1 86.2 85.8 85.3 82.8 80.2 79.2
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around Trincomalee in degrees centigrade and fahrenheit
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 27.3 27.8 28.9 30 30 29.4 29.1 28.9 28.9 29.1 28.7 27.8
    °F 81.1 82.1 84 85.9 86 84.9 84.5 84.1 84.1 84.3 83.7 82
  • Wind speed

    The graph below shows the average wind speed.

    Average wind speed in Trincomalee (mph and kmh)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    km/h 16 12 9 9 13 18 16 15 14 10 12 16
    mph 10 7 6 5 8 11 10 9 9 7 7 10

    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 Trincomalee
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    76% 74% 75% 74% 69% 63% 64% 65% 68% 74% 80% 81%

Other monthly averages

Trincomalee weather stats

Trincomalee weather statistics
Hottest month: June 34.6°C 94.3°F
Driest month: June 25mm 1ins
Sunniest month: March 9.2hrs
Coldest month: January 27.8°C 82°F
Wettest month: December 367mm 14.4ins
Warmest sea: May 30°C 86°F
Map showing location of Trincomalee (8.5711, 81.2335)

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