Kalutara monthly weather averages

  • Average daytime temperature

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

    Kalutara average temperature chart
    Average monthly temperatures in Kalutara (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 30.4 30.7 31.3 31.4 30.6 29.9 29.6 29.5 29.6 29.6 29.8 29.9
    °F 86.8 87.3 88.3 88.5 87.1 85.9 85.2 85.2 85.3 85.2 85.6 85.9

    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 Kalutara (mm and inches)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 73 91 142 258 388 235 180 161 270 377 309 175
    inches 2.9 3.6 5.6 10.2 15.3 9.3 7.1 6.3 10.6 14.8 12.2 6.9
    Rainy days 5 5 8 13 13 14 11 10 13 15 14 10
  • Average daily sunshine

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

    Average daily sunshine Kalutara
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 8.3 8.9 9.1 8 6.7 6.5 6.5 6.6 6.5 6.7 7.2 7.3
  • Day / night temperatures

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

    Maximum and minimum daily temperatures in Kalutara (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C 22.2 22.5 23.6 24.5 25.3 25.2 24.7 24.8 24.5 23.7 23.1 22.7
    Max °C 30.7 30.9 31.5 31.6 30.8 30.1 29.7 29.7 29.8 29.7 30 30.1
    Min °F 71.9 72.5 74.4 76 77.5 77.3 76.5 76.6 76 74.7 73.5 72.9
    Max °F 79.5 80.1 81.5 82.4 82.4 81.7 81 81 80.8 80.1 79.7 79.5
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around Kalutara in degrees centigrade and fahrenheit
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 27.6 28 28.9 29.7 29.2 28.1 27.3 27.2 27.6 28.1 28.5 28
    °F 81.7 82.4 84.1 85.5 84.6 82.5 81.2 81 81.6 82.7 83.2 82.3
  • Wind speed

    The graph below shows the average wind speed.

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

    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 Kalutara
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    74% 74% 77% 80% 82% 81% 80% 79% 80% 81% 81% 79%

Other monthly averages

Kalutara weather stats

Kalutara weather statistics
Hottest month: April 31.4°C 88.5°F
Driest month: January 73mm 2.9ins
Sunniest month: March 9.1hrs
Coldest month: January 30.4°C 86.7°F
Wettest month: May 388mm 15.3ins
Warmest sea: April 29.7°C 85.5°F
Map showing location of Kalutara (6.5831, 79.9593)

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