The bar chart below shows the average monthly peak daytime temperatures at Saint Johnsbury
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | -3.9 | -1.9 | 4 | 11.3 | 19.2 | 23.7 | 26.1 | 24.6 | 20 | 13.5 | 5.5 | -1.7 |
°F | 25 | 28.5 | 39.1 | 52.3 | 66.6 | 74.7 | 79 | 76.3 | 68.1 | 56.3 | 41.9 | 28.9 |
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 | 64 | 60 | 69 | 75 | 89 | 102 | 97 | 108 | 85 | 83 | 93 | 87 |
inches | 2.5 | 2.4 | 2.7 | 2.9 | 3.5 | 4 | 3.8 | 4.2 | 3.3 | 3.3 | 3.7 | 3.4 |
Rainy days | 14 | 11 | 13 | 13 | 13 | 13 | 13 | 13 | 11 | 13 | 15 | 15 |
Average annual rainfall in Saint Johnsbury: 983.334mm (387.1 inches)
The bar chart below shows the average daily sunshine hours in Saint Johnsbury
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 4 | 5.1 | 5.6 | 6.6 | 8 | 8.7 | 9.3 | 8.1 | 6.6 | 5.2 | 3.3 | 3.1 |
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 | -15.2 | -14.2 | -7.7 | -1.2 | 5.1 | 10.2 | 13 | 11.9 | 7.7 | 1.8 | -3.1 | -11.3 |
Max °C | -3.6 | -1.7 | 4.3 | 11.6 | 19.6 | 24.1 | 26.5 | 24.9 | 20.4 | 13.8 | 5.7 | -1.5 |
Min °F | 4.6 | 6.5 | 18.2 | 29.8 | 41.1 | 50.3 | 55.3 | 53.4 | 45.8 | 35.2 | 26.4 | 11.7 |
Max °F | 15.1 | 17.8 | 28.9 | 41.4 | 54.1 | 62.8 | 67.5 | 65.1 | 57.2 | 46 | 34.3 | 20.5 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 4.5 | 3.3 | 2.9 | 3.9 | 7 | 11.8 | 16.2 | 17.5 | 15.6 | 12.1 | 8.9 | 6.2 |
°F | 40 | 37.9 | 37.2 | 39.1 | 44.6 | 53.2 | 61.1 | 63.5 | 60.1 | 53.8 | 48 | 43.2 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 14 | 14 | 14 | 14 | 13 | 12 | 11 | 10 | 11 | 12 | 14 | 13 |
mph | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 8 | 9 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
71% | 69% | 67% | 63% | 65% | 72% | 74% | 77% | 78% | 74% | 77% | 76% |
Hottest month: | July | 26.1°C 79°F |
---|---|---|
Driest month: | February | 60mm 2.4ins |
Sunniest month: | July | 9.3hrs |
Coldest month: | January | -3.9°C 25°F |
Wettest month: | August | 108mm 4.3ins |
Warmest sea: | August | 17.5°C 63.5°F |