The bar chart below shows the average monthly peak daytime temperatures at Washington
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 10.8 | 12.2 | 17.1 | 22 | 25.9 | 29.4 | 31.1 | 30.6 | 27.8 | 22.8 | 18.2 | 13.1 |
°F | 51.4 | 54 | 62.8 | 71.5 | 78.6 | 84.9 | 88 | 87.2 | 82.1 | 73 | 64.7 | 55.5 |
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 | 106 | 97 | 103 | 82 | 111 | 119 | 146 | 149 | 116 | 79 | 75 | 87 |
inches | 4.2 | 3.8 | 4 | 3.2 | 4.4 | 4.7 | 5.7 | 5.8 | 4.6 | 3.1 | 3 | 3.4 |
Rainy days | 10 | 10 | 10 | 9 | 10 | 10 | 11 | 10 | 8 | 8 | 8 | 9 |
Average annual rainfall in Washington: 1226.1mm (482.7 inches)
The bar chart below shows the average daily sunshine hours in Washington
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 6 | 6.7 | 8 | 9.4 | 9.5 | 10 | 9.6 | 8.9 | 8.2 | 7.6 | 6.6 | 5.8 |
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 | -0.9 | 0.1 | 4.2 | 8.5 | 13.6 | 18 | 20.4 | 20.1 | 16.7 | 10.1 | 5.1 | 1.1 |
Max °C | 11.1 | 12.5 | 17.4 | 22.3 | 26.2 | 29.7 | 31.4 | 30.9 | 28.1 | 23.1 | 18.5 | 13.4 |
Min °F | 30.5 | 32.2 | 39.6 | 47.3 | 56.5 | 64.3 | 68.7 | 68.2 | 62.1 | 50.2 | 41.2 | 33.9 |
Max °F | 41.2 | 43.3 | 51.4 | 59.7 | 67.8 | 74.8 | 78.6 | 77.9 | 72.3 | 61.9 | 53.2 | 45 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 16.8 | 15.9 | 16.4 | 18.2 | 21.2 | 24.8 | 27.1 | 27.4 | 25.9 | 23 | 20.2 | 18.4 |
°F | 62.2 | 60.6 | 61.5 | 64.8 | 70.1 | 76.6 | 80.8 | 81.2 | 78.6 | 73.4 | 68.4 | 65.2 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 17 | 18 | 18 | 17 | 16 | 15 | 14 | 13 | 14 | 15 | 16 | 16 |
mph | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 9 | 9 | 10 | 10 |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
70% | 68% | 68% | 66% | 73% | 75% | 77% | 79% | 78% | 74% | 71% | 71% |
Hottest month: | July | 31.1°C 88°F |
---|---|---|
Driest month: | November | 75mm 3ins |
Sunniest month: | April | 9.4hrs |
Coldest month: | January | 10.8°C 51.4°F |
Wettest month: | August | 149mm 5.9ins |
Warmest sea: | August | 27.4°C 81.3°F |