WEATHER IN Watertown
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -40 (1916) | 3.1 | 12.2 | 21.4 | 65 (1981) |
| february | -38 (1905) | 6.7 | 16.3 | 25.9 | 66 (1958) |
| march | -27 (1948) | 19.6 | 29.1 | 38.6 | 82 (1921) |
| april | -10 (1926) | 31.5 | 42.8 | 54.0 | 95 (1980) |
| may | 16 (1907) | 44.5 | 55.7 | 66.9 | 106 (1934) |
| june | 25 (1897) | 55.4 | 66.1 | 76.8 | 107 (1931) |
| july | 35 (1917) | 60.0 | 71.0 | 82.0 | 110 (1934) |
| august | 32 (1965) | 57.5 | 68.5 | 79.5 | 105 (1934) |
| september | 9 (1899) | 48.6 | 60.1 | 71.6 | 104 (1931) |
| october | -2 (1925) | 35.2 | 45.7 | 56.2 | 91 (1951) |
| november | -20 (1964) | 21.3 | 30.6 | 39.8 | 77 (1999) |
| december | -33 (1917) | 9.3 | 17.8 | 26.3 | 69 (1939) |
| year | -40 (1916) | 32.4 | 42.9 | 53.5 | 110 (1934) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 0.58 | 0.00 (1898) | 2.51 (1975) | 1.27 (1939) |
| february | 0.65 | 0.00 (1899) | 2.28 (1922) | 1.54 (1977) |
| march | 1.00 | 0.00 (1910) | 3.94 (1977) | 1.71 (1940) |
| april | 2.06 | 0.00 (1902) | 8.04 (1896) | 3.05 (1912) |
| may | 2.87 | 0.00 (1910) | 8.84 (1892) | 7.14 (1931) |
| june | 3.85 | 0.33 (1950) | 11.37 (1991) | 3.19 (1953) |
| july | 3.05 | 0.26 (2007) | 10.36 (1963) | 3.40 (1905) |
| august | 2.89 | 0.00 (1985) | 7.67 (1900) | 4.32 (2002) |
| september | 2.45 | 0.06 (1998) | 7.22 (1921) | 3.15 (1901) |
| october | 1.95 | 0.00 (1952) | 8.10 (1971) | 3.72 (1971) |
| november | 0.68 | 0.00 (1907) | 3.11 (1983) | 1.50 (1970) |
| december | 0.68 | 0.00 (1894) | 2.40 (1968) | 1.33 (1953) |
| year | 21.85 | 10.82 (1976) | 40.04 (1977) | 7.14 (1931) |
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 |