The bar chart below shows the average monthly peak daytime temperatures at Polonnaruwa
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 28.9 | 30.6 | 32.1 | 32.7 | 32.6 | 32 | 31.9 | 31.9 | 32 | 31 | 29.7 | 28.8 |
°F | 84.1 | 87.1 | 89.8 | 90.9 | 90.7 | 89.7 | 89.4 | 89.4 | 89.5 | 87.7 | 85.5 | 83.8 |
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 | 130 | 100 | 84 | 150 | 91 | 54 | 70 | 73 | 98 | 257 | 309 | 290 |
inches | 5.1 | 3.9 | 3.3 | 5.9 | 3.6 | 2.1 | 2.8 | 2.9 | 3.9 | 10.1 | 12.1 | 11.4 |
Rainy days | 6 | 5 | 6 | 10 | 8 | 7 | 7 | 7 | 9 | 14 | 15 | 14 |
Average annual rainfall in Polonnaruwa: 1794.034mm (706.3 inches)
The bar chart below shows the average daily sunshine hours in Polonnaruwa
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 7.3 | 8.2 | 9 | 8.4 | 7.1 | 6.7 | 6.5 | 7.1 | 6.8 | 6.7 | 6.2 | 6.3 |
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 | 22.1 | 22.2 | 23.3 | 24.3 | 25 | 25 | 24.6 | 24.3 | 24.1 | 23.5 | 22.9 | 22.7 |
Max °C | 29.1 | 30.8 | 32.4 | 32.9 | 32.8 | 32.2 | 32.1 | 32.1 | 32.2 | 31.2 | 29.9 | 28.9 |
Min °F | 71.8 | 72 | 73.9 | 75.7 | 77 | 77 | 76.2 | 75.7 | 75.3 | 74.2 | 73.2 | 72.9 |
Max °F | 78.1 | 79.7 | 82 | 83.5 | 84 | 83.5 | 82.9 | 82.8 | 82.6 | 81.1 | 79.5 | 78.4 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 27.5 | 28 | 29 | 29.9 | 29.8 | 29.1 | 28.8 | 28.6 | 28.8 | 28.9 | 28.8 | 27.9 |
°F | 81.4 | 82.3 | 84.1 | 85.9 | 85.6 | 84.5 | 83.8 | 83.5 | 83.8 | 84.1 | 83.8 | 82.2 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 14 | 12 | 9 | 8 | 13 | 17 | 16 | 16 | 14 | 10 | 10 | 13 |
mph | 9 | 7 | 6 | 5 | 8 | 11 | 10 | 10 | 9 | 7 | 6 | 8 |
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% | 72% | 76% | 74% | 71% | 70% | 71% | 72% | 77% | 80% | 80% |
Hottest month: | May | 32.6°C 90.7°F |
---|---|---|
Driest month: | June | 54mm 2.1ins |
Sunniest month: | March | 9hrs |
Coldest month: | January | 28.9°C 84°F |
Wettest month: | November | 309mm 12.2ins |
Warmest sea: | April | 29.9°C 85.8°F |