Horana South monthly weather averages

Contents

Average daytime temperature

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

Horana South average temperature chart (Celsius) Horana South average temperature chart (Fahrenheit)
Average monthly temperatures in Horana South (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 30 30.6 31.2 31.2 30.3 29.7 29.3 29.3 29.4 29.3 29.5 29.5
°F 86 87.1 88.2 88.2 86.6 85.4 84.7 84.8 84.9 84.8 85.2 85.1

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.

Horana South monthly rainfall chart (mm) Horana South monthly rainfall chart (inches)
Average monthly rainfall in Horana South (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 77 100 154 276 395 266 197 178 284 387 316 181
inches 3 3.9 6.1 10.9 15.6 10.5 7.7 7 11.2 15.2 12.5 7.1
Rainy days 5 5 8 13 14 15 11 11 14 16 15 10

Average annual rainfall in Horana South: 2897.733mm (1140.8 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Horana South

Horana South average daily sunshine chart
Average daily sunshine Horana South
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 8.2 8.8 9.1 8 6.6 6.5 6.5 6.6 6.4 6.6 7.1 7.1

Day / night temperatures

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

Horana South average minimum / maximum temperatures (Celsius) Horana South average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Horana South (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 21.4 21.8 22.8 23.8 24.6 24.6 24.2 24.2 23.9 23.1 22.5 22.1
Max °C 30.2 30.8 31.4 31.4 30.5 29.8 29.4 29.5 29.6 29.5 29.7 29.7
Min °F 70.5 71.2 73 74.8 76.2 76.3 75.6 75.5 74.9 73.6 72.5 71.8
Max °F 78.4 79.3 80.8 81.7 81.5 81 80.2 80.2 80.1 79.3 79 78.6

Sea temperature

The graph below shows the average sea temperature.

Horana South average sea temperature chart (Celsius) Horana South average sea temperature chart (Fahrenheit)
Average sea temperature around Horana South in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.7 28.2 29 29.8 29.4 28.5 28 27.8 28.1 28.4 28.6 28.1
°F 81.9 82.7 84.2 85.6 84.9 83.3 82.4 82.1 82.5 83.2 83.5 82.5

Wind speed

The graph below shows the average wind speed.

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

Horana South relative humidity averages
Average relative humidity in Horana South
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
74% 73% 75% 79% 81% 81% 79% 78% 79% 81% 81% 79%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Horana South weather stats

Horana South weather statistics
Hottest month: April 31.2°C 88.2°F
Driest month: January 77mm 3ins
Sunniest month: March 9.1hrs
Coldest month: January 30°C 86°F
Wettest month: May 395mm 15.6ins
Warmest sea: April 29.8°C 85.6°F
Map showing location of Horana South (6.7159, 80.0626) Horana South map pin © Google

Locations nearby

Top Sri Lanka locations