WEATHER IN Rochester
Climate tables. Data for Rochester.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -41.1 (1887) | -13.9 | -9.6 | -5.3 | 14.4 (1944) |
| february | -37.2 (1996) | -11.8 | -7.4 | -2.9 | 17.2 (1981) |
| march | -35.0 (1962) | -4.8 | -0.2 | 4.4 | 27.8 (1910) |
| april | -15.0 (1982) | 1.7 | 7.3 | 12.9 | 33.3 (2009) |
| may | -6.7 (1909) | 8.4 | 14.2 | 20.0 | 41.1 (1934) |
| june | -0.6 (1937) | 14.2 | 19.7 | 25.3 | 40.6 (1934) |
| july | 4.4 (1911) | 16.0 | 21.4 | 26.8 | 42.2 (1936) |
| august | 0.0 (1915) | 14.6 | 20.1 | 25.6 | 37.8 (1930) |
| september | -5.6 (1942) | 10.2 | 16.2 | 22.1 | 37.8 (1913) |
| october | -21.1 (1887) | 3.3 | 8.8 | 14.4 | 33.9 (1997) |
| november | -31.1 (1887) | -3.6 | 0.9 | 5.4 | 25.0 (1893) |
| december | -39.4 (1909) | -10.2 | -6.2 | -2.2 | 17.2 (1939) |
| year | -41.1 (1887) | 2.3 | 7.4 | 12.6 | 42.2 (1936) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 25 | 2 (1961) | 64 (1967) | 38 (1888) |
| february | 26 | 1 (1964) | 56 (1971) | 28 (1951) |
| march | 51 | 5 (1958) | 102 (1951) | 56 (2011) |
| april | 89 | 12 (1946) | 185 (2001) | 97 (1990) |
| may | 111 | 10 (1934) | 311 (2013) | 102 (2000) |
| june | 136 | 24 (1985) | 318 (2000) | 122 (2000) |
| july | 106 | 10 (1946) | 313 (1978) | 190 (1981) |
| august | 105 | 8 (1941) | 357 (2007) | 131 (2007) |
| september | 91 | 6 (2013) | 267 (1986) | 152 (1978) |
| october | 62 | 0.3 (1952) | 192 (2009) | 72 (1911) |
| november | 46 | 2 (1967) | 150 (1991) | 58 (1991) |
| december | 33 | 0.0 (1943) | 94 (2010) | 35 (2010) |
| year | 839 | 392 (1976) | 1116 (1990) | 190 (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 |