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 | 4.3 | 6.1 | 12.1 | 17.6 | 22.1 | 25.6 | 27.2 | 26.7 | 23.5 | 18.1 | 12.5 | 6.8 |
°F | 39.8 | 42.9 | 53.8 | 63.7 | 71.7 | 78.2 | 81 | 80.1 | 74.2 | 64.6 | 54.5 | 44.2 |
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 | 69 | 71 | 88 | 88 | 101 | 86 | 107 | 86 | 82 | 72 | 71 | 75 |
inches | 2.7 | 2.8 | 3.5 | 3.5 | 4 | 3.4 | 4.2 | 3.4 | 3.2 | 2.8 | 2.8 | 2.9 |
Rainy days | 15 | 13 | 14 | 13 | 13 | 12 | 13 | 11 | 10 | 10 | 12 | 13 |
Average annual rainfall in Princeton: 952.734mm (375.1 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 | 5.7 | 6.8 | 7.8 | 8.4 | 8.9 | 8.4 | 7.9 | 7.3 | 6.9 | 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 | -6.4 | -5.4 | -0.2 | 4.3 | 8.8 | 13.1 | 15.3 | 14.8 | 11.3 | 5 | 0.6 | -3.9 |
Max °C | 4.6 | 6.4 | 12.4 | 18 | 22.4 | 26 | 27.5 | 27 | 23.8 | 18.5 | 12.8 | 7.1 |
Min °F | 20.5 | 22.4 | 31.6 | 39.7 | 47.8 | 55.5 | 59.5 | 58.6 | 52.3 | 40.9 | 33.1 | 25.1 |
Max °F | 30.4 | 32.9 | 43 | 52 | 60.1 | 67.1 | 70.5 | 69.6 | 63.5 | 53.1 | 44.1 | 34.9 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 9.5 | 8.7 | 8.7 | 10.7 | 15.3 | 20.9 | 24.7 | 25.4 | 23.6 | 19.5 | 15.1 | 11.6 |
°F | 49.2 | 47.6 | 47.7 | 51.3 | 59.5 | 69.6 | 76.5 | 77.7 | 74.6 | 67 | 59.1 | 52.9 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 16 | 15 | 16 | 16 | 13 | 11 | 10 | 10 | 10 | 12 | 14 | 15 |
mph | 10 | 9 | 10 | 10 | 8 | 7 | 7 | 6 | 6 | 7 | 9 | 9 |
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% | 69% | 65% | 61% | 68% | 74% | 77% | 79% | 79% | 72% | 69% | 72% |
Hottest month: | July | 27.2°C 81°F |
---|---|---|
Driest month: | January | 69mm 2.7ins |
Sunniest month: | October | 6.9hrs |
Coldest month: | January | 4.3°C 39.7°F |
Wettest month: | July | 107mm 4.2ins |
Warmest sea: | August | 25.4°C 77.7°F |