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 | -1.2 | 1.8 | 9 | 17.1 | 23.3 | 28.4 | 30.7 | 29.1 | 24.9 | 18.6 | 9.7 | 1.2 |
°F | 29.8 | 35.2 | 48.2 | 62.8 | 74 | 83.2 | 87.2 | 84.3 | 76.8 | 65.5 | 49.4 | 34.1 |
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 | 29 | 25 | 60 | 83 | 101 | 103 | 110 | 97 | 98 | 67 | 55 | 43 |
inches | 1.1 | 1 | 2.4 | 3.3 | 4 | 4.1 | 4.3 | 3.8 | 3.9 | 2.7 | 2.1 | 1.7 |
Rainy days | 8 | 8 | 11 | 11 | 12 | 10 | 9 | 9 | 9 | 8 | 9 | 9 |
Average annual rainfall in Washington: 820.9mm (323.2 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 | 5.6 | 6.6 | 7 | 8.1 | 9.5 | 10.7 | 11 | 10 | 8.3 | 7.2 | 5 | 4.6 |
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 | -11 | -8.3 | -1.7 | 4.8 | 10.8 | 16.1 | 18.5 | 16.9 | 12.6 | 6.3 | -0.3 | -7.8 |
Max °C | -1 | 2.1 | 9.3 | 17.4 | 23.7 | 28.8 | 31 | 29.4 | 25.2 | 18.9 | 9.9 | 1.4 |
Min °F | 12.2 | 17.2 | 29 | 40.6 | 51.4 | 60.9 | 65.2 | 62.3 | 54.7 | 43.3 | 31.5 | 18 |
Max °F | 21.2 | 26.4 | 38.8 | 52 | 63 | 72.3 | 76.5 | 73.6 | 66 | 54.7 | 40.6 | 26.2 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 8.4 | 8.1 | 8.5 | 9.7 | 11.5 | 13.8 | 16.9 | 20.1 | 18.9 | 14.9 | 11.8 | 9.7 |
°F | 47.2 | 46.6 | 47.3 | 49.4 | 52.7 | 56.9 | 62.4 | 68.2 | 66 | 58.9 | 53.2 | 49.4 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 19 | 19 | 21 | 21 | 18 | 16 | 14 | 14 | 15 | 17 | 18 | 19 |
mph | 12 | 12 | 13 | 13 | 11 | 10 | 9 | 9 | 9 | 11 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
71% | 72% | 70% | 64% | 66% | 67% | 71% | 73% | 73% | 69% | 72% | 75% |
Hottest month: | July | 30.7°C 87.3°F |
---|---|---|
Driest month: | February | 25mm 1ins |
Sunniest month: | July | 11hrs |
Coldest month: | January | -1.2°C 29.8°F |
Wettest month: | July | 110mm 4.3ins |
Warmest sea: | August | 20.1°C 68.2°F |