WEATHER IN Washington
Climate tables. Data for Washington.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -25.6 (1881) | -1.1 | 3.1 | 7.1 | 26.1 (1950) |
| february | -26.1 (1899) | -0.1 | 4.4 | 9.1 | 28.9 (1930) |
| march | -15.6 (1873) | 3.7 | 8.7 | 13.6 | 33.9 (1907) |
| april | -9.4 (1923) | 9.1 | 14.6 | 20.0 | 35.0 (2002) |
| may | 0.6 (1906) | 14.4 | 19.6 | 24.7 | 37.2 (1991) |
| june | 6.1 (1897) | 19.7 | 24.6 | 29.5 | 40.0 (2012) |
| july | 11.1 (1933) | 22.4 | 27.2 | 32.0 | 41.1 (1930) |
| august | 9.4 (1890) | 21.7 | 26.3 | 31.0 | 41.1 (1918) |
| september | 2.2 (1904) | 17.8 | 22.4 | 27.1 | 40.0 (1881) |
| october | -3.3 (1873) | 11.2 | 16.0 | 20.8 | 35.6 (1941) |
| november | -11.7 (1929) | 5.3 | 9.9 | 14.6 | 30.0 (1974) |
| december | -25.0 (1880) | 1.4 | 5.4 | 9.3 | 26.1 (1998) |
| year | -26.1 (1899) | 9.7 | 14.5 | 19.3 | 41.1 (1930) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 73 | 8 (1955) | 199 (1937) | 70 (1915) |
| february | 67 | 8 (1864) | 174 (1884) | 58 (1896) |
| march | 89 | 1 (2006) | 233 (1867) | 71 (1881) |
| april | 82 | 0.8 (1985) | 232 (1889) | 82 (1889) |
| may | 100 | 10 (1939) | 272 (1889) | 82 (1953) |
| june | 107 | 20 (1864) | 356 (2006) | 155 (1972) |
| july | 110 | 17 (1963) | 270 (1886) | 119 (1970) |
| august | 83 | 9 (1962) | 366 (1928) | 162 (1933) |
| september | 100 | 3 (2005) | 443 (1934) | 131 (1922) |
| october | 93 | 0.0 (1963) | 270 (1866) | 101 (1877) |
| november | 74 | 1 (1828) | 182 (1877) | 75 (1943) |
| december | 87 | 5 (1889) | 192 (1901) | 79 (2011) |
| year | 1009 | 477 (1826) | 1558 (1889) | 162 (1933) |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |