WEATHER IN Clayton
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -21 (1959) | 21.4 | 35.5 | 49.5 | 80 (1990) |
| february | -18 (1899) | 23.0 | 37.5 | 52.0 | 82 (1898) |
| march | -11 (1948) | 29.8 | 44.9 | 60.0 | 87 (2010) |
| april | 7 (1920) | 36.8 | 52.0 | 67.3 | 91 (1965) |
| may | 20 (1917) | 46.6 | 61.5 | 76.4 | 99 (1896) |
| june | 31 (1919) | 56.1 | 71.2 | 86.4 | 105 (1924) |
| july | 40 (1943) | 60.8 | 75.4 | 90.0 | 105 (1934) |
| august | 42 (1910) | 59.7 | 73.1 | 86.6 | 102 (1944) |
| september | 26 (1985) | 52.5 | 66.4 | 80.3 | 99 (1947) |
| october | 7 (1917) | 40.3 | 54.7 | 69.1 | 93 (2000) |
| november | -10 (1976) | 29.7 | 43.7 | 57.7 | 86 (2006) |
| december | -14 (1990) | 22.0 | 35.3 | 48.6 | 92 (1917) |
| year | -21 (1959) | 40.3 | 54.0 | 67.8 | 105 (1924) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 0.33 | 0.00 (1909) | 1.55 (1939) | 1.43 (1939) |
| february | 0.30 | 0.00 (1909) | 1.61 (1987) | 0.90 (1915) |
| march | 0.91 | 0.00 (1897) | 4.04 (1919) | 2.20 (1918) |
| april | 1.12 | 0.00 (1899) | 7.29 (1942) | 6.20 (1914) |
| may | 1.85 | 0.00 (1927) | 7.49 (1941) | 4.67 (1954) |
| june | 1.97 | 0.00 (1911) | 4.97 (1989) | 2.48 (1966) |
| july | 2.81 | 0.00 (2003) | 10.51 (1899) | 4.03 (1899) |
| august | 3.08 | 0.00 (1899) | 5.85 (1927) | 4.06 (1963) |
| september | 1.75 | 0.00 (1956) | 8.69 (1941) | 3.74 (1941) |
| october | 1.13 | 0.00 (1910) | 5.15 (1930) | 3.66 (1965) |
| november | 0.45 | 0.00 (1897) | 2.16 (2004) | 1.75 (1899) |
| december | 0.42 | 0.00 (1910) | 7.42 (1911) | 1.50 (2006) |
| year | 15.79 | 5.54 (1936) | 37.62 (1941) | 6.20 (1914) |
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 |