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
Oct 1 36° 75° 25° (1937) 88° (1992) 0.05" 0"
Oct 2 36° 75° 23° (1961) 86° (1963) 0.06" 0"
Oct 3 36° 75° 23° (1959) 86° (2000) 0.05" 0"
Oct 4 35° 74° 24° (1959) 84° (1975) 0.05" 0"
Oct 5 35° 74° 25° (1919) 84° (1947) 0.04" 0"
Oct 6 35° 73° 22° (1937) 86° (1956) 0.05" 0"
Oct 7 34° 73° 18° (1955) 86° (1944) 0.05" 0"
Oct 8 34° 73° 18° (1955) 88° (1910) 0.05" 0"
Oct 9 34° 72° 21° (1955) 85° (1910) 0.04" 0"
Oct 10 33° 72° 23° (1922) 88° (1910) 0.05" 0.1"
Oct 11 33° 71° 18° (1982) 85° (1999) 0.04" 0"
Oct 12 33° 71° 21° (1977) 86° (1950) 0.05" 0"
Oct 13 32° 70° 21° (1937) 82° (1950) 0.04" 0"
Oct 14 32° 70° 20° (1975) 86° (1953) 0.05" 0"
Oct 15 32° 70° 16° (1952) 85° (1936) 0.04" 0"
Oct 16 32° 69° 20° (1952) 84° (1936) 0.05" 0"
Oct 17 31° 69° 19° (1952) 81° (1991) 0.04" 0"
Oct 18 31° 68° 17° (1968) 85° (1936) 0.04" 0.1"
Oct 19 31° 68° 13° (1976) 81° (1940) 0.05" 0"
Oct 20 31° 67° 13° (1976) 82° (1992) 0.04" 0"
Oct 21 30° 67° 15° (1911) 85° (1936) 0.05" 0"
Oct 22 30° 66° 13° (1935) 83° (2003) 0.04" 0.1"
Oct 23 30° 66° 15° (1935) 81° (2003) 0.04" 0"
Oct 24 30° 65° 18° (1945) 79° (1933) 0.04" 0"
Oct 25 29° 65° 12° (1975) 77° (1944) 0.05" 0.1"
Oct 26 29° 64° 18° (1913) 77° (1944) 0.05" 0"
Oct 27 29° 64° 16° (1967) 76° (1944) 0.04" 0.1"
Oct 28 29° 63° 12° (1970) 78° (1952) 0.05" 0"
Oct 29 29° 63° 11° (1917) 76° (2003) 0.05" 0.1"
Oct 30 28° 62° 12° (1993) 77° (1950) 0.05" 0"
Oct 31 28° 61° 7° (1991) 78° (1950) 0.05" 0.1"
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