The bar chart below shows the average monthly peak daytime temperatures at Boston
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 6.1 | 6.5 | 9.2 | 11.8 | 15.4 | 18.6 | 20.6 | 20.6 | 18.2 | 14.4 | 9.3 | 7 |
°F | 43 | 43.6 | 48.6 | 53.2 | 59.7 | 65.5 | 69 | 69 | 64.7 | 57.9 | 48.7 | 44.5 |
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 | 49 | 37 | 46 | 45 | 49 | 52 | 46 | 56 | 46 | 44 | 55 | 51 |
inches | 1.9 | 1.5 | 1.8 | 1.8 | 1.9 | 2 | 1.8 | 2.2 | 1.8 | 1.7 | 2.2 | 2 |
Rainy days | 18 | 14 | 16 | 15 | 14 | 12 | 11 | 13 | 12 | 14 | 17 | 16 |
Average annual rainfall in Boston: 628.634mm (247.5 inches)
The bar chart below shows the average daily sunshine hours in Boston
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 2.1 | 2.7 | 3.8 | 5 | 6.8 | 7.3 | 6.4 | 6.2 | 5.2 | 3.8 | 2.6 | 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 | 0.8 | 0.8 | 2 | 3.9 | 6.6 | 9.6 | 11.4 | 11.4 | 9.6 | 7.1 | 3.4 | 1.7 |
Max °C | 6.3 | 6.6 | 9.4 | 12 | 15.6 | 18.9 | 20.8 | 20.8 | 18.4 | 14.6 | 9.5 | 7.1 |
Min °F | 33.4 | 33.4 | 35.6 | 38.9 | 43.9 | 49.2 | 52.5 | 52.5 | 49.3 | 44.7 | 38 | 35.1 |
Max °F | 38.3 | 38.7 | 42.3 | 46.2 | 52 | 57.6 | 61 | 61 | 57.2 | 51.4 | 43.5 | 39.9 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 7.6 | 6.7 | 6.8 | 7.9 | 9.9 | 12.5 | 14.9 | 16.2 | 15.5 | 13.5 | 11.2 | 9.1 |
°F | 45.7 | 44.1 | 44.3 | 46.2 | 49.9 | 54.5 | 58.9 | 61.2 | 59.9 | 56.4 | 52.2 | 48.4 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 19 | 19 | 20 | 18 | 17 | 16 | 15 | 16 | 17 | 17 | 19 | 19 |
mph | 12 | 12 | 12 | 11 | 11 | 10 | 9 | 10 | 10 | 10 | 12 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
92% | 89% | 85% | 84% | 83% | 83% | 83% | 83% | 85% | 89% | 91% | 92% |
Hottest month: | July | 20.6°C 69.1°F |
---|---|---|
Driest month: | February | 37mm 1.5ins |
Sunniest month: | June | 7.3hrs |
Coldest month: | January | 6.1°C 43°F |
Wettest month: | August | 56mm 2.2ins |
Warmest sea: | August | 16.2°C 61.2°F |