Colombo monthly weather averages

Contents

Average daytime temperature

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

Colombo average temperature chart (Celsius) Colombo average temperature chart (Fahrenheit)
Average monthly temperatures in Colombo (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 25.6 25.5 24.6 22.1 20.2 18.2 18.8 20.4 21 22.3 23.9 24.7
°F 78 77.9 76.2 71.8 68.3 64.8 65.9 68.7 69.7 72.2 75 76.4

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.

Colombo monthly rainfall chart (mm) Colombo monthly rainfall chart (inches)
Average monthly rainfall in Colombo (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 191 160 140 91 105 100 83 73 120 137 118 156
inches 7.5 6.3 5.5 3.6 4.1 3.9 3.3 2.9 4.7 5.4 4.7 6.1
Rainy days 27 24 24 19 18 17 16 14 19 21 20 26

Average annual rainfall in Colombo: 1400.6mm (551.4 inches)

Average daily sunshine

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

Colombo average daily sunshine chart
Average daily sunshine Colombo
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.2 4.9 4.8 4.9 5.2 4.7 5.1 5 4.2 4.6 5.2 5

Day / night temperatures

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

Colombo average minimum / maximum temperatures (Celsius) Colombo average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Colombo (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 16 16.3 15.2 12.7 9.6 7.8 7.7 9 10.8 12.5 13.9 15.1
Max °C 25.8 25.8 24.8 22.4 20.5 18.5 19.1 20.7 21.2 22.6 24.2 24.9
Min °F 60.8 61.3 59.4 54.8 49.2 46 45.9 48.1 51.4 54.4 56.9 59.2
Max °F 69.6 69.8 68 63.5 59 55.6 56.1 58.6 60.8 63.5 66.2 68

Sea temperature

The graph below shows the average sea temperature.

Colombo average sea temperature chart (Celsius) Colombo average sea temperature chart (Fahrenheit)
Average sea temperature around Colombo in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 26.1 26.5 26.1 24.6 22.3 20.2 18.8 18.5 19.4 20.9 22.8 24.6
°F 79 79.7 78.9 76.4 72.1 68.4 65.8 65.3 66.9 69.7 73 76.3

Wind speed

The graph below shows the average wind speed.

Colombo average winspeed by month (km/h) Colombo average winspeed by month (mph)
Average wind speed in Colombo (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 9 9 8 8 6 7 8 9 9 10 10 10
mph 6 5 5 5 4 5 5 5 6 6 7 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.

Colombo relative humidity averages
Average relative humidity in Colombo
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
79% 80% 81% 80% 82% 78% 81% 79% 81% 81% 78% 80%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Colombo weather stats

Colombo weather statistics
Hottest month: February 25.5°C 77.9°F
Driest month: August 73mm 2.9ins
Sunniest month: July 5.1hrs
Coldest month: June 18.2°C 64.8°F
Wettest month: January 191mm 7.5ins
Warmest sea: February 26.5°C 79.7°F
Map showing location of Colombo (-25.29167, -49.22417) Colombo map pin © Google

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