WEATHER IN Washington
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -14 (1881) | 30.1 | 37.5 | 44.8 | 79 (1950) |
| february | -15 (1899) | 31.8 | 40.0 | 48.3 | 84 (1930) |
| march | 4 (1873) | 38.6 | 47.6 | 56.5 | 93 (1907) |
| april | 15 (1923) | 48.4 | 58.2 | 68.0 | 95 (2002) |
| may | 33 (1906) | 58.0 | 67.2 | 76.5 | 99 (1991) |
| june | 43 (1897) | 67.5 | 76.3 | 85.1 | 104 (2012) |
| july | 52 (1933) | 72.4 | 81.0 | 89.6 | 106 (1930) |
| august | 49 (1890) | 71.0 | 79.4 | 87.8 | 106 (1918) |
| september | 36 (1904) | 64.1 | 72.4 | 80.7 | 104 (1881) |
| october | 26 (1873) | 52.2 | 60.8 | 69.4 | 96 (1941) |
| november | 11 (1929) | 41.6 | 49.9 | 58.2 | 86 (1974) |
| december | -13 (1880) | 34.5 | 41.7 | 48.8 | 79 (1998) |
| year | -15 (1899) | 49.5 | 58.1 | 66.7 | 106 (1930) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 2.86 | 0.31 (1955) | 7.83 (1937) | 2.77 (1915) |
| february | 2.62 | 0.33 (1864) | 6.84 (1884) | 2.29 (1896) |
| march | 3.50 | 0.05 (2006) | 9.17 (1867) | 2.79 (1881) |
| april | 3.21 | 0.03 (1985) | 9.13 (1889) | 3.21 (1889) |
| may | 3.94 | 0.41 (1939) | 10.69 (1889) | 3.24 (1953) |
| june | 4.20 | 0.80 (1864) | 14.02 (2006) | 6.11 (1972) |
| july | 4.33 | 0.67 (1963) | 10.63 (1886) | 4.69 (1970) |
| august | 3.25 | 0.35 (1962) | 14.41 (1928) | 6.39 (1933) |
| september | 3.93 | 0.11 (2005) | 17.45 (1934) | 5.16 (1922) |
| october | 3.66 | 0.00 (1963) | 10.61 (1866) | 3.98 (1877) |
| november | 2.91 | 0.05 (1828) | 7.18 (1877) | 2.95 (1943) |
| december | 3.41 | 0.19 (1889) | 7.56 (1901) | 3.10 (2011) |
| year | 39.74 | 18.79 (1826) | 61.33 (1889) | 6.39 (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 |