The bar chart below shows the average monthly peak daytime temperatures at Ratnapura
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 28.4 | 29.4 | 30.3 | 30.3 | 29.2 | 28.3 | 28.2 | 28.1 | 28.2 | 28.3 | 28.4 | 28 |
°F | 83.2 | 84.9 | 86.5 | 86.5 | 84.6 | 82.9 | 82.7 | 82.5 | 82.8 | 83 | 83.2 | 82.3 |
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.
The graph below shows the average rainfall and number of rainy days per month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | 97 | 112 | 147 | 271 | 319 | 258 | 205 | 191 | 264 | 357 | 308 | 198 |
inches | 3.8 | 4.4 | 5.8 | 10.7 | 12.6 | 10.2 | 8.1 | 7.5 | 10.4 | 14 | 12.1 | 7.8 |
Rainy days | 5 | 5 | 8 | 13 | 12 | 14 | 11 | 11 | 13 | 15 | 15 | 11 |
Average annual rainfall in Ratnapura: 2811.167mm (1106.8 inches)
The bar chart below shows the average daily sunshine hours in Ratnapura
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 7.6 | 8.3 | 8.8 | 7.8 | 6.4 | 6.2 | 6.1 | 6.2 | 6.1 | 6.3 | 6.6 | 6.7 |
The graph below shows the daily range of temperatures for each month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Min °C | 19.6 | 19.8 | 20.9 | 22.1 | 22.9 | 22.8 | 22.5 | 22.4 | 22.1 | 21.5 | 21 | 20.5 |
Max °C | 28.7 | 29.6 | 30.5 | 30.5 | 29.4 | 28.4 | 28.3 | 28.2 | 28.4 | 28.5 | 28.6 | 28.2 |
Min °F | 67.2 | 67.6 | 69.6 | 71.8 | 73.1 | 73 | 72.5 | 72.3 | 71.7 | 70.7 | 69.8 | 68.8 |
Max °F | 75.4 | 76.5 | 78.3 | 79.3 | 79 | 78.1 | 77.7 | 77.5 | 77.4 | 77 | 76.6 | 75.7 |
The graph below shows the average sea temperature.
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 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 12 | 11 | 9 | 8 | 13 | 15 | 14 | 14 | 14 | 10 | 9 | 11 |
mph | 7 | 7 | 6 | 5 | 8 | 9 | 9 | 9 | 9 | 6 | 6 | 7 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|
75% | 72% | 74% | 79% | 81% | 80% | 79% | 78% | 79% | 81% | 81% | 79% |
Hottest month: | April | 30.3°C 86.5°F |
---|---|---|
Driest month: | January | 97mm 3.8ins |
Sunniest month: | March | 8.8hrs |
Coldest month: | January | 28.4°C 83.1°F |
Wettest month: | October | 357mm 14.1ins |
Warmest sea: | April | 29.8°C 85.6°F |