The bar chart below shows the average monthly peak daytime temperatures at Negombo
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 30.9 | 31.9 | 32.8 | 32.4 | 31.5 | 30.7 | 30.4 | 30.5 | 30.8 | 30.5 | 30.5 | 30.2 |
°F | 87.6 | 89.4 | 91 | 90.3 | 88.7 | 87.2 | 86.8 | 86.9 | 87.4 | 86.9 | 86.8 | 86.4 |
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.
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 | 48 | 71 | 128 | 244 | 298 | 154 | 103 | 87 | 187 | 351 | 295 | 153 |
inches | 1.9 | 2.8 | 5 | 9.6 | 11.7 | 6.1 | 4.1 | 3.4 | 7.4 | 13.8 | 11.6 | 6 |
Rainy days | 4 | 4 | 8 | 13 | 12 | 13 | 10 | 9 | 12 | 15 | 15 | 10 |
Average annual rainfall in Negombo: 2205.667mm (868.4 inches)
The bar chart below shows the average daily sunshine hours in Negombo
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 8.3 | 8.9 | 9.2 | 8.2 | 6.9 | 6.6 | 6.6 | 6.8 | 6.6 | 6.7 | 7 | 7.2 |
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 | 21.7 | 22.1 | 23.4 | 24.4 | 25.4 | 25.4 | 25.1 | 25 | 24.7 | 23.8 | 23 | 22.4 |
Max °C | 31.1 | 32.2 | 33 | 32.6 | 31.7 | 30.8 | 30.6 | 30.7 | 31 | 30.7 | 30.7 | 30.4 |
Min °F | 71.1 | 71.7 | 74.1 | 75.9 | 77.6 | 77.7 | 77.1 | 76.9 | 76.4 | 74.8 | 73.3 | 72.3 |
Max °F | 79.5 | 80.8 | 82.8 | 83.3 | 83.3 | 82.6 | 82 | 82 | 82 | 81 | 80.2 | 79.5 |
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 | 9 | 8 | 7 | 7 | 10 | 13 | 12 | 12 | 11 | 8 | 7 | 9 |
mph | 6 | 5 | 5 | 4 | 7 | 8 | 7 | 7 | 7 | 5 | 5 | 5 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
73% | 71% | 74% | 78% | 80% | 79% | 78% | 77% | 78% | 80% | 81% | 79% |
Hottest month: | April | 32.4°C 90.3°F |
---|---|---|
Driest month: | January | 48mm 1.9ins |
Sunniest month: | March | 9.2hrs |
Coldest month: | January | 30.9°C 87.6°F |
Wettest month: | October | 351mm 13.8ins |
Warmest sea: | April | 29.8°C 85.6°F |