WEATHER IN Rochester
Climate tables. Data for Rochester.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -27.2 (1994) | -7.2 | -3.2 | 0.8 | 23.3 (1950) |
| february | -30.0 (1934) | -6.9 | -2.6 | 1.8 | 22.8 (1997) |
| march | -22.8 (2014) | -2.9 | 1.8 | 6.4 | 30.0 (1905) |
| april | -13.9 (1923) | 2.8 | 8.2 | 13.7 | 33.9 (1990) |
| may | -3.3 (1978) | 9.0 | 14.9 | 20.8 | 34.4 (1974) |
| june | 1.7 (1945) | 14.1 | 19.8 | 25.5 | 37.8 (1953) |
| july | 5.6 (1963) | 16.8 | 22.4 | 28.1 | 38.9 (1936) |
| august | 2.2 (1965) | 16.1 | 21.5 | 26.9 | 37.2 (1948) |
| september | -2.2 (1947) | 12.0 | 17.6 | 23.1 | 37.2 (1953) |
| october | -7.2 (1879) | 6.3 | 11.2 | 16.2 | 32.8 (1951) |
| november | -17.2 (1875) | 1.1 | 5.3 | 9.5 | 27.2 (1950) |
| december | -26.7 (1942) | -3.7 | 0.0 | 3.6 | 22.2 (1982) |
| year | -30.0 (1934) | 4.1 | 9.0 | 13.9 | 38.9 (1936) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 65 | 4 (1837) | 205 (1878) | 54 (1878) |
| february | 54 | 5 (1841) | 137 (1876) | 55 (1942) |
| march | 63 | 12 (1958) | 178 (1873) | 76 (1900) |
| april | 76 | 13 (1837) | 156 (1857) | 49 (1943) |
| may | 73 | 6 (2007) | 175 (1894) | 88 (1974) |
| june | 86 | 6 (1963) | 212 (1830) | 69 (1922) |
| july | 90 | 6 (1854) | 246 (1947) | 85 (2006) |
| august | 84 | 9 (1876) | 184 (1886) | 105 (1893) |
| september | 81 | 7 (1960) | 188 (1868) | 88 (1979) |
| october | 82 | 2 (1924) | 220 (1873) | 96 (1873) |
| november | 70 | 8 (1904) | 181 (1927) | 53 (1945) |
| december | 68 | 16 (1958) | 157 (1878) | 44 (1894) |
| year | 871 | 516 (1887) | 1267 (1873) | 105 (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 |