Siena, New York
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 31° -28° (1971) 71° (2007) 2.59" 17.6"
February 17° 35° -22° (1943) 68° (1997) 2.29" 12.4"
March 26° 44° -21° (1948) 89° (1998) 3.21" 10.2"
April 37° 58° 9° (1923) 93° (1941) 3.17" 2.3"
May 47° 69° 26° (1968) 94° (1981) 3.61" 0.1"
June 57° 78° 27° (1938) 100° (1933) 3.79" 0"
July 62° 82° 40° (1978) 103° (1936) 4.12" 0"
August 60° 80° 34° (1982) 101° (1933) 3.46" 0"
September 52° 72° 24° (1947) 100° (1953) 3.3" 0"
October 40° 60° 16° (1969) 91° (1941) 3.68" 0"
November 32° 48° -11° (1938) 82° (1950) 3.29" 2.8"
December 21° 36° -22° (1969) 71° (1984) 2.93" 13.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 52° 74° 35° (1945) 94° (1918) 0.13" 0"
Jun 2 53° 74° 39° (1971) 94° (1895) 0.13" 0"
Jun 3 53° 75° 36° (1986) 97° (1925) 0.13" 0"
Jun 4 53° 75° 36° (1947) 97° (1919) 0.13" 0"
Jun 5 53° 75° 39° (1990) 97° (1925) 0.13" 0"
Jun 6 54° 75° 38° (1971) 94° (1925) 0.13" 0"
Jun 7 54° 76° 37° (1958) 95° (1999) 0.13" 0"
Jun 8 54° 76° 38° (1951) 93° (1984) 0.13" 0"
Jun 9 55° 76° 37° (1977) 100° (1933) 0.14" 0"
Jun 10 55° 77° 36° (1975) 96° (2008) 0.12" 0"
Jun 11 55° 77° 36° (1980) 94° (1947) 0.13" 0"
Jun 12 56° 77° 38° (1972) 94° (1949) 0.13" 0"
Jun 13 56° 77° 38° (1974) 94° (1892) 0.13" 0"
Jun 14 56° 78° 39° (1970) 96° (1892) 0.13" 0"
Jun 15 57° 78° 42° (1985) 96° (1988) 0.13" 0"
Jun 16 57° 78° 40° (1961) 96° (1967) 0.12" 0"
Jun 17 57° 79° 44° (1954) 94° (1994) 0.13" 0"
Jun 18 57° 79° 39° (1958) 97° (1957) 0.13" 0"
Jun 19 58° 79° 38° (1950) 94° (1995) 0.12" 0"
Jun 20 58° 79° 43° (1918) 97° (1953) 0.13" 0"
Jun 21 58° 79° 41° (1970) 97° (1938) 0.12" 0"
Jun 22 59° 80° 37° (1940) 95° (1954) 0.12" 0"
Jun 23 59° 80° 44° (1940) 96° (1888) 0.12" 0"
Jun 24 59° 80° 44° (1932) 96° (1943) 0.12" 0"
Jun 25 59° 80° 45° (1982) 95° (1898) 0.13" 0"
Jun 26 59° 81° 39° (1979) 99° (1952) 0.12" 0"
Jun 27 60° 81° 45° (1970) 97° (1941) 0.12" 0"
Jun 28 60° 81° 43° (1970) 99° (1901) 0.12" 0"
Jun 29 60° 81° 44° (1981) 96° (1944) 0.12" 0"
Jun 30 60° 81° 47° (1938) 98° (1964) 0.12" 0"
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