The bar chart below shows the average monthly peak daytime temperatures at Central Islip
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 3.2 | 4.2 | 8.9 | 14.6 | 20 | 24.9 | 27.8 | 27.1 | 23.5 | 17.9 | 12.1 | 6.1 |
°F | 37.8 | 39.6 | 48.1 | 58.3 | 68 | 76.8 | 82 | 80.8 | 74.3 | 64.3 | 53.8 | 42.9 |
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 | 92 | 85 | 106 | 104 | 100 | 89 | 91 | 100 | 89 | 88 | 106 | 105 |
inches | 3.6 | 3.3 | 4.2 | 4.1 | 3.9 | 3.5 | 3.6 | 3.9 | 3.5 | 3.5 | 4.2 | 4.1 |
Rainy days | 10 | 10 | 11 | 10 | 11 | 10 | 9 | 9 | 8 | 7 | 10 | 11 |
Average annual rainfall in Central Islip: 1122.4mm (441.9 inches)
The bar chart below shows the average daily sunshine hours in Central Islip
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 6 | 6.8 | 7.8 | 8.5 | 9 | 9.5 | 9.4 | 9.1 | 8 | 7.5 | 5.6 | 5.1 |
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 | -4.8 | -4.2 | -0.2 | 4.4 | 9.6 | 14.9 | 18.2 | 18.1 | 14.3 | 8.5 | 3.7 | -1.7 |
Max °C | 3.4 | 4.4 | 9.2 | 14.9 | 20.3 | 25.2 | 28 | 27.4 | 23.8 | 18.2 | 12.3 | 6.3 |
Min °F | 23.4 | 24.4 | 31.7 | 39.8 | 49.2 | 58.7 | 64.8 | 64.5 | 57.7 | 47.2 | 38.7 | 29 |
Max °F | 30.7 | 32.2 | 40.1 | 49.3 | 58.8 | 68 | 73.6 | 72.9 | 66.2 | 55.9 | 46.4 | 36.1 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 6.8 | 4.9 | 4.8 | 6.9 | 11.2 | 17 | 21.8 | 22.8 | 20.6 | 16.8 | 12.9 | 9.6 |
°F | 44.2 | 40.8 | 40.6 | 44.4 | 52.2 | 62.5 | 71.3 | 73 | 69.1 | 62.3 | 55.2 | 49.2 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 21 | 21 | 21 | 21 | 18 | 17 | 16 | 16 | 17 | 18 | 19 | 20 |
mph | 13 | 13 | 13 | 13 | 11 | 11 | 10 | 10 | 11 | 11 | 12 | 13 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
67% | 66% | 65% | 64% | 70% | 72% | 73% | 75% | 75% | 71% | 70% | 68% |
Hottest month: | July | 27.8°C 82°F |
---|---|---|
Driest month: | February | 85mm 3.3ins |
Sunniest month: | August | 9.1hrs |
Coldest month: | January | 3.2°C 37.8°F |
Wettest month: | March | 106mm 4.2ins |
Warmest sea: | August | 22.8°C 73°F |