Grand Valley, Colorado
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 41° -38° (1963) 62° (1986) 1.04" 11"
February 18° 47° -34° (1933) 69° (1986) 0.97" 9.4"
March 25° 58° -16° (1948) 81° (2004) 0.94" 3.3"
April 31° 66° 4° (2003) 92° (1936) 1.14" 0.4"
May 40° 75° 17° (1972) 99° (2003) 1.16" 0"
June 47° 86° 22° (1937) 102° (1990) 0.94" 0"
July 53° 92° 33° (1968) 104° (1931) 1.17" 0"
August 52° 90° 31° (1960) 102° (2004) 0.95" 0"
September 43° 81° 21° (1937) 99° (1990) 1.55" 0"
October 32° 69° 7° (1991) 88° (1992) 1.44" 0.7"
November 23° 53° -16° (1955) 79° (1934) 1.12" 4.7"
December 12° 41° -27° (1962) 65° (1980) 1.07" 12.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 10° 40° -20° (1919) 57° (1981) 0.04" 0.5"
Jan 2 11° 40° -20° (1979) 58° (1934) 0.05" 0.5"
Jan 3 11° 40° -14° (1952) 53° (1918) 0.04" 0.5"
Jan 4 11° 40° -18° (1972) 53° (1981) 0.04" 0.4"
Jan 5 11° 40° -20° (1971) 52° (2007) 0.04" 0.4"
Jan 6 11° 40° -27° (1971) 53° (1956) 0.04" 0.5"
Jan 7 11° 40° -33° (1913) 50° (1954) 0.04" 0.4"
Jan 8 11° 40° -19° (1944) 57° (1956) 0.03" 0.4"
Jan 9 11° 40° -18° (1937) 51° (1948) 0.04" 0.4"
Jan 10 11° 40° -18° (1937) 54° (1956) 0.04" 0.3"
Jan 11 11° 40° -16° (1937) 53° (1956) 0.03" 0.4"
Jan 12 11° 40° -38° (1963) 55° (1953) 0.03" 0.3"
Jan 13 11° 40° -36° (1963) 53° (1945) 0.03" 0.4"
Jan 14 11° 40° -17° (1964) 59° (2000) 0.03" 0.3"
Jan 15 12° 40° -17° (2007) 53° (2000) 0.03" 0.3"
Jan 16 12° 41° -18° (2007) 55° (2000) 0.04" 0.4"
Jan 17 12° 41° -16° (1949) 55° (2000) 0.03" 0.3"
Jan 18 12° 41° -17° (1955) 52° (1986) 0.03" 0.3"
Jan 19 12° 41° -18° (1984) 53° (1998) 0.03" 0.3"
Jan 20 12° 41° -14° (1924) 60° (2000) 0.03" 0.3"
Jan 21 12° 41° -13° (1966) 53° (1994) 0.02" 0.3"
Jan 22 12° 41° -25° (1937) 53° (1981) 0.03" 0.3"
Jan 23 13° 41° -23° (1937) 54° (1972) 0.03" 0.3"
Jan 24 13° 42° -13° (1932) 55° (1994) 0.02" 0.3"
Jan 25 13° 42° -12° (1932) 55° (1934) 0.03" 0.3"
Jan 26 13° 42° -17° (1937) 57° (1934) 0.03" 0.3"
Jan 27 13° 42° -19° (1937) 60° (1934) 0.03" 0.3"
Jan 28 13° 42° -28° (1948) 56° (2003) 0.04" 0.3"
Jan 29 14° 43° -18° (1949) 62° (1986) 0.03" 0.4"
Jan 30 14° 43° -15° (1949) 56° (1934) 0.03" 0.3"
Jan 31 14° 43° -18° (1979) 60° (1935) 0.04" 0.3"
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