The bar chart below shows the average monthly peak daytime temperatures at Princeton
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 5.2 | 7.8 | 14.2 | 20.5 | 25.3 | 29.9 | 31.8 | 31.1 | 27.7 | 21.5 | 14.5 | 7.8 |
°F | 41.3 | 46.1 | 57.5 | 68.9 | 77.5 | 85.8 | 89.2 | 87.9 | 81.8 | 70.8 | 58 | 46.1 |
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 | 100 | 105 | 128 | 116 | 122 | 97 | 107 | 84 | 88 | 76 | 115 | 118 |
inches | 3.9 | 4.1 | 5.1 | 4.6 | 4.8 | 3.8 | 4.2 | 3.3 | 3.5 | 3 | 4.5 | 4.6 |
Rainy days | 10 | 10 | 12 | 11 | 11 | 9 | 9 | 8 | 8 | 7 | 10 | 11 |
Average annual rainfall in Princeton: 1204.966mm (474.4 inches)
The bar chart below shows the average daily sunshine hours in Princeton
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 5.1 | 5.8 | 6.8 | 8.3 | 9.5 | 10.8 | 10.6 | 10.1 | 8.6 | 7.7 | 5.3 | 4.6 |
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 | -5.5 | -3.5 | 2.2 | 7.6 | 12.2 | 17 | 19.1 | 18 | 14.2 | 7.1 | 2.7 | -2.7 |
Max °C | 5.5 | 8.1 | 14.5 | 20.8 | 25.6 | 30.2 | 32.1 | 31.4 | 28 | 21.9 | 14.8 | 8.1 |
Min °F | 22.2 | 25.7 | 35.9 | 45.7 | 54 | 62.6 | 66.4 | 64.4 | 57.6 | 44.8 | 36.8 | 27.1 |
Max °F | 32 | 36.1 | 46.9 | 57.6 | 66 | 74.5 | 78.1 | 76.5 | 70 | 58.1 | 47.7 | 36.9 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 10.2 | 9.5 | 9.8 | 11.3 | 14.1 | 18.5 | 22.7 | 24.5 | 22.9 | 18.5 | 14.6 | 11.8 |
°F | 50.3 | 49.1 | 49.6 | 52.3 | 57.4 | 65.2 | 72.9 | 76.1 | 73.2 | 65.3 | 58.2 | 53.3 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 16 | 16 | 17 | 16 | 14 | 13 | 11 | 11 | 11 | 13 | 15 | 16 |
mph | 10 | 10 | 11 | 10 | 9 | 8 | 7 | 7 | 7 | 8 | 9 | 10 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
71% | 70% | 66% | 64% | 68% | 68% | 71% | 72% | 73% | 68% | 70% | 73% |
Hottest month: | July | 31.8°C 89.2°F |
---|---|---|
Driest month: | October | 76mm 3ins |
Sunniest month: | August | 10.1hrs |
Coldest month: | January | 5.2°C 41.4°F |
Wettest month: | March | 128mm 5ins |
Warmest sea: | August | 24.5°C 76.1°F |