WEATHER IN Rochester
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -42 (1887) | 7.0 | 14.7 | 22.5 | 58 (1944) |
| february | -35 (1996) | 10.7 | 18.7 | 26.7 | 63 (1981) |
| march | -31 (1962) | 23.4 | 31.7 | 39.9 | 82 (1910) |
| april | 5 (1982) | 35.1 | 45.2 | 55.3 | 92 (2009) |
| may | 20 (1909) | 47.1 | 57.6 | 68.0 | 106 (1934) |
| june | 31 (1937) | 57.5 | 67.5 | 77.6 | 105 (1934) |
| july | 40 (1911) | 60.8 | 70.5 | 80.3 | 108 (1936) |
| august | 32 (1915) | 58.3 | 68.2 | 78.0 | 100 (1930) |
| september | 22 (1942) | 50.4 | 61.1 | 71.8 | 100 (1913) |
| october | -6 (1887) | 38.0 | 47.9 | 57.9 | 93 (1997) |
| november | -24 (1887) | 25.6 | 33.6 | 41.7 | 77 (1893) |
| december | -39 (1909) | 13.6 | 20.8 | 28.0 | 63 (1939) |
| year | -42 (1887) | 36.1 | 45.3 | 54.6 | 108 (1936) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 0.99 | 0.07 (1961) | 2.53 (1967) | 1.50 (1888) |
| february | 1.02 | 0.04 (1964) | 2.21 (1971) | 1.09 (1951) |
| march | 2.02 | 0.21 (1958) | 4.01 (1951) | 2.20 (2011) |
| april | 3.52 | 0.46 (1946) | 7.30 (2001) | 3.81 (1990) |
| may | 4.35 | 0.40 (1934) | 12.26 (2013) | 4.02 (2000) |
| june | 5.35 | 0.94 (1985) | 12.51 (2000) | 4.80 (2000) |
| july | 4.19 | 0.41 (1946) | 12.33 (1978) | 7.47 (1981) |
| august | 4.12 | 0.31 (1941) | 14.07 (2007) | 5.16 (2007) |
| september | 3.60 | 0.24 (2013) | 10.50 (1986) | 5.98 (1978) |
| october | 2.43 | 0.01 (1952) | 7.57 (2009) | 2.85 (1911) |
| november | 1.80 | 0.06 (1967) | 5.90 (1991) | 2.30 (1991) |
| december | 1.28 | 0.00 (1943) | 3.68 (2010) | 1.36 (2010) |
| year | 33.02 | 15.44 (1976) | 43.94 (1990) | 7.47 (1981) |
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 |