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 | -2.2 | 0.7 | 6.2 | 10.8 | 14.8 | 19.4 | 22.7 | 22.6 | 17.9 | 11.1 | 1.4 | -3.3 |
°F | 28 | 33.2 | 43.2 | 51.5 | 58.7 | 67 | 72.9 | 72.8 | 64.2 | 52 | 34.6 | 26.1 |
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 | 66 | 47 | 38 | 28 | 34 | 35 | 38 | 34 | 30 | 30 | 67 | 69 |
inches | 2.6 | 1.8 | 1.5 | 1.1 | 1.3 | 1.4 | 1.5 | 1.3 | 1.2 | 1.2 | 2.6 | 2.7 |
Rainy days | 13 | 10 | 11 | 9 | 11 | 10 | 8 | 9 | 8 | 9 | 13 | 14 |
Average annual rainfall in Princeton: 444.934mm (175.2 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 | 2.4 | 3.6 | 5.1 | 6.8 | 7.8 | 8.6 | 10.3 | 9.2 | 7.1 | 5.4 | 2.5 | 1.9 |
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 | -9.4 | -7.9 | -4.1 | -1.1 | 2.3 | 6.1 | 8.2 | 8 | 4.2 | 0 | -5.2 | -9.7 |
Max °C | -2.1 | 0.9 | 6.5 | 11.1 | 15.2 | 19.8 | 23.1 | 23 | 18.3 | 11.4 | 1.6 | -3.1 |
Min °F | 15.2 | 17.8 | 24.7 | 30 | 36.1 | 42.9 | 46.7 | 46.4 | 39.5 | 32 | 22.6 | 14.5 |
Max °F | 21.7 | 25.7 | 34.2 | 41 | 47.7 | 55.2 | 60.1 | 59.9 | 52.2 | 42.3 | 28.8 | 20.5 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 7 | 6.9 | 7.1 | 7.5 | 8.4 | 10 | 11.5 | 12.3 | 11.8 | 10.2 | 8.6 | 7.4 |
°F | 44.6 | 44.5 | 44.7 | 45.5 | 47.2 | 50 | 52.8 | 54.2 | 53.3 | 50.4 | 47.4 | 45.4 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 8 | 7 | 7 | 7 | 7 |
mph | 4 | 4 | 5 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 5 | 4 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
76% | 74% | 65% | 58% | 58% | 57% | 56% | 58% | 65% | 71% | 76% | 78% |
Hottest month: | July | 22.7°C 72.9°F |
---|---|---|
Driest month: | April | 28mm 1.1ins |
Sunniest month: | July | 10.3hrs |
Coldest month: | December | -3.3°C 26.1°F |
Wettest month: | December | 69mm 2.7ins |
Warmest sea: | August | 12.3°C 54.1°F |