The bar chart below shows the average monthly peak daytime temperatures at Dartmouth
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | -1 | -0.8 | 2.9 | 8 | 14.2 | 19.7 | 23.1 | 22.8 | 18.9 | 13.3 | 7.5 | 1.8 |
°F | 30.2 | 30.5 | 37.3 | 46.5 | 57.6 | 67.4 | 73.5 | 73 | 66.1 | 56 | 45.5 | 35.2 |
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 | 141 | 116 | 123 | 114 | 111 | 100 | 97 | 108 | 93 | 133 | 154 | 165 |
inches | 5.6 | 4.6 | 4.9 | 4.5 | 4.4 | 3.9 | 3.8 | 4.3 | 3.7 | 5.2 | 6.1 | 6.5 |
Rainy days | 14 | 12 | 13 | 12 | 13 | 12 | 11 | 10 | 10 | 12 | 14 | 15 |
Average annual rainfall in Dartmouth: 1435.867mm (565.3 inches)
The bar chart below shows the average daily sunshine hours in Dartmouth
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 3.8 | 4.7 | 5 | 5.5 | 6.7 | 7.4 | 7.6 | 7.6 | 6.3 | 5.1 | 3.7 | 3.2 |
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 | -9.6 | -10 | -5.4 | -0.5 | 4.4 | 9.5 | 13.3 | 13.4 | 9.7 | 4.9 | 0.3 | -6.2 |
Max °C | -0.8 | -0.6 | 3.2 | 8.3 | 14.5 | 19.9 | 23.3 | 23 | 19.2 | 13.6 | 7.7 | 2 |
Min °F | 14.7 | 14 | 22.4 | 31.2 | 39.8 | 49.1 | 55.9 | 56.1 | 49.4 | 40.7 | 32.5 | 20.9 |
Max °F | 22.6 | 22.5 | 30 | 39 | 48.9 | 58.5 | 64.9 | 64.8 | 57.9 | 48.6 | 39.2 | 28.2 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 1.9 | 0.4 | 0.3 | 1.6 | 4.7 | 9.4 | 14.5 | 16.7 | 15.5 | 12.6 | 8.8 | 4.8 |
°F | 35.4 | 32.7 | 32.5 | 34.8 | 40.5 | 48.9 | 58.1 | 62.1 | 60 | 54.7 | 47.8 | 40.7 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 19 | 19 | 19 | 18 | 16 | 15 | 14 | 13 | 14 | 16 | 17 | 19 |
mph | 12 | 12 | 12 | 11 | 10 | 9 | 9 | 8 | 9 | 10 | 11 | 12 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
81% | 79% | 79% | 78% | 77% | 78% | 81% | 80% | 80% | 80% | 82% | 82% |
Hottest month: | July | 23.1°C 73.6°F |
---|---|---|
Driest month: | September | 93mm 3.7ins |
Sunniest month: | August | 7.6hrs |
Coldest month: | February | -0.8°C 30.6°F |
Wettest month: | December | 165mm 6.5ins |
Warmest sea: | August | 16.7°C 62.1°F |