The bar chart below shows the average monthly peak daytime temperatures at Chilaw
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 30.7 | 32.1 | 33.2 | 32.9 | 31.9 | 31 | 30.8 | 31 | 31.2 | 30.8 | 30.5 | 30 |
°F | 87.3 | 89.9 | 91.7 | 91.1 | 89.4 | 87.9 | 87.5 | 87.7 | 88.1 | 87.5 | 86.9 | 86 |
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 | 44 | 58 | 109 | 217 | 209 | 92 | 61 | 43 | 122 | 314 | 272 | 149 |
inches | 1.7 | 2.3 | 4.3 | 8.5 | 8.2 | 3.6 | 2.4 | 1.7 | 4.8 | 12.4 | 10.7 | 5.8 |
Rainy days | 4 | 4 | 7 | 12 | 10 | 9 | 7 | 6 | 9 | 14 | 14 | 11 |
Average annual rainfall in Chilaw: 1777.77525mm (699.9 inches)
The bar chart below shows the average daily sunshine hours in Chilaw
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 8.1 | 8.8 | 9.2 | 8.2 | 7 | 6.5 | 6.5 | 6.8 | 6.6 | 6.7 | 6.8 | 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 | 21.3 | 21.7 | 23.2 | 24.4 | 25.4 | 25.6 | 25.2 | 25.1 | 24.8 | 23.8 | 22.9 | 22.2 |
Max °C | 31 | 32.4 | 33.4 | 33.1 | 32.1 | 31.2 | 31 | 31.1 | 31.3 | 31 | 30.7 | 30.2 |
Min °F | 70.4 | 71 | 73.7 | 75.9 | 77.8 | 78.1 | 77.3 | 77.1 | 76.6 | 74.9 | 73.1 | 71.9 |
Max °F | 79.1 | 80.6 | 82.9 | 83.7 | 83.8 | 83.1 | 82.5 | 82.5 | 82.5 | 81.3 | 80.2 | 79.2 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 27.4 | 27.8 | 28.9 | 29.8 | 29.4 | 28 | 27.1 | 27 | 27.4 | 28.1 | 28.4 | 27.8 |
°F | 81.3 | 82.1 | 83.9 | 85.6 | 84.8 | 82.5 | 80.9 | 80.6 | 81.3 | 82.5 | 83.1 | 82.1 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 10 | 9 | 8 | 7 | 11 | 14 | 13 | 13 | 12 | 9 | 8 | 9 |
mph | 6 | 5 | 5 | 4 | 7 | 9 | 8 | 8 | 7 | 5 | 5 | 6 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
74% | 71% | 73% | 77% | 79% | 78% | 77% | 76% | 76% | 79% | 80% | 79% |
Hottest month: | May | 31.9°C 89.4°F |
---|---|---|
Driest month: | August | 43mm 1.7ins |
Sunniest month: | March | 9.2hrs |
Coldest month: | January | 30.7°C 87.3°F |
Wettest month: | October | 314mm 12.4ins |
Warmest sea: | April | 29.8°C 85.6°F |