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 | 1.8 | 5 | 11.4 | 18.5 | 23.6 | 29 | 32.4 | 30.8 | 25.8 | 19.8 | 11.1 | 3.7 |
°F | 35.2 | 41.1 | 52.6 | 65.2 | 74.5 | 84.3 | 90.4 | 87.5 | 78.5 | 67.7 | 51.9 | 38.7 |
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 | 17 | 21 | 54 | 64 | 108 | 115 | 102 | 97 | 93 | 59 | 32 | 23 |
inches | 0.7 | 0.8 | 2.1 | 2.5 | 4.3 | 4.5 | 4 | 3.8 | 3.6 | 2.3 | 1.3 | 0.9 |
Rainy days | 6 | 5 | 8 | 9 | 11 | 10 | 8 | 9 | 8 | 6 | 6 | 6 |
Average annual rainfall in Washington: 729.067mm (287 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 | 6.7 | 7 | 7.8 | 9 | 10 | 11.5 | 11.9 | 10.7 | 8.9 | 8 | 6.2 | 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 | -9.9 | -7.6 | -1.6 | 4.6 | 10.7 | 15.9 | 19.1 | 17.7 | 12.7 | 5.9 | -1.2 | -7.4 |
Max °C | 2.1 | 5.4 | 11.8 | 18.8 | 24 | 29.4 | 32.8 | 31.2 | 26.2 | 20.2 | 11.4 | 4 |
Min °F | 14.3 | 18.4 | 29.2 | 40.3 | 51.2 | 60.5 | 66.3 | 63.8 | 54.8 | 42.5 | 29.9 | 18.7 |
Max °F | 25 | 30 | 41.2 | 53.1 | 63.1 | 72.7 | 78.6 | 75.9 | 66.9 | 55.4 | 41.2 | 28.9 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 10.6 | 10.3 | 10.8 | 12 | 13.8 | 16 | 18.5 | 20.7 | 19.6 | 16.5 | 13.7 | 11.7 |
°F | 51.1 | 50.6 | 51.5 | 53.6 | 56.8 | 60.9 | 65.2 | 69.2 | 67.3 | 61.7 | 56.7 | 53.1 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 19 | 19 | 22 | 22 | 20 | 19 | 18 | 17 | 18 | 18 | 19 | 19 |
mph | 12 | 12 | 14 | 14 | 12 | 12 | 11 | 11 | 11 | 11 | 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 |
---|---|---|---|---|---|---|---|---|---|---|---|
71% | 70% | 66% | 64% | 68% | 67% | 64% | 67% | 69% | 66% | 71% | 72% |
Hottest month: | July | 32.4°C 90.3°F |
---|---|---|
Driest month: | January | 17mm 0.7ins |
Sunniest month: | July | 11.9hrs |
Coldest month: | January | 1.8°C 35.2°F |
Wettest month: | June | 115mm 4.5ins |
Warmest sea: | August | 20.7°C 69.3°F |