WEATHER IN Rochester
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -17 (1994) | 19.0 | 26.2 | 33.4 | 74 (1950) |
| february | -22 (1934) | 19.6 | 27.4 | 35.2 | 73 (1997) |
| march | -9 (2014) | 26.8 | 35.2 | 43.6 | 86 (1905) |
| april | 7 (1923) | 37.1 | 46.8 | 56.6 | 93 (1990) |
| may | 26 (1978) | 48.2 | 58.8 | 69.4 | 94 (1974) |
| june | 35 (1945) | 57.4 | 67.6 | 77.9 | 100 (1953) |
| july | 42 (1963) | 62.2 | 72.3 | 82.5 | 102 (1936) |
| august | 36 (1965) | 61.0 | 70.7 | 80.5 | 99 (1948) |
| september | 28 (1947) | 53.6 | 63.6 | 73.6 | 99 (1953) |
| october | 19 (1879) | 43.3 | 52.2 | 61.2 | 91 (1951) |
| november | 1 (1875) | 34.0 | 41.5 | 49.1 | 81 (1950) |
| december | -16 (1942) | 25.4 | 32.0 | 38.5 | 72 (1982) |
| year | -22 (1934) | 39.3 | 48.2 | 57.1 | 102 (1936) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 2.55 | 0.16 (1837) | 8.05 (1878) | 2.11 (1878) |
| february | 2.13 | 0.21 (1841) | 5.40 (1876) | 2.15 (1942) |
| march | 2.49 | 0.47 (1958) | 7.02 (1873) | 2.98 (1900) |
| april | 2.99 | 0.50 (1837) | 6.13 (1857) | 1.91 (1943) |
| may | 2.86 | 0.24 (2007) | 6.87 (1894) | 3.45 (1974) |
| june | 3.37 | 0.22 (1963) | 8.35 (1830) | 2.72 (1922) |
| july | 3.56 | 0.25 (1854) | 9.70 (1947) | 3.33 (2006) |
| august | 3.31 | 0.36 (1876) | 7.26 (1886) | 4.14 (1893) |
| september | 3.18 | 0.28 (1960) | 7.41 (1868) | 3.47 (1979) |
| october | 3.22 | 0.08 (1924) | 8.67 (1873) | 3.77 (1873) |
| november | 2.76 | 0.33 (1904) | 7.12 (1927) | 2.07 (1945) |
| december | 2.67 | 0.62 (1958) | 6.17 (1878) | 1.72 (1894) |
| year | 34.27 | 20.31 (1887) | 49.89 (1873) | 4.14 (1893) |
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 |