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
Mar 1 22° 53° -4° (1962) 67° (1986) 0.03" 0.1"
Mar 2 22° 53° -2° (1939) 69° (1986) 0.03" 0.2"
Mar 3 22° 53° 1° (2007) 67° (1921) 0.03" 0.1"
Mar 4 23° 54° 0° (1966) 67° (1986) 0.03" 0.1"
Mar 5 23° 54° 0° (1939) 67° (1986) 0.03" 0.1"
Mar 6 23° 54° -5° (1939) 71° (1972) 0.03" 0.1"
Mar 7 23° 55° 0° (1922) 71° (1987) 0.03" 0.1"
Mar 8 23° 55° 5° (1931) 69° (1986) 0.03" 0.1"
Mar 9 24° 56° 2° (1964) 75° (1989) 0.03" 0.1"
Mar 10 24° 56° 4° (1948) 76° (1989) 0.02" 0.1"
Mar 11 24° 56° -16° (1948) 73° (1972) 0.03" 0.1"
Mar 12 24° 57° -11° (1948) 70° (1934) 0.03" 0"
Mar 13 24° 57° 7° (1931) 73° (1934) 0.02" 0.1"
Mar 14 25° 57° 5° (1962) 73° (1934) 0.03" 0.1"
Mar 15 25° 58° -1° (1956) 73° (1994) 0.03" 0.1"
Mar 16 25° 58° 10° (1932) 73° (1999) 0.03" 0.2"
Mar 17 25° 58° 12° (1917) 71° (1974) 0.04" 0.1"
Mar 18 25° 58° 0° (1923) 73° (2007) 0.03" 0.1"
Mar 19 26° 59° -7° (1943) 75° (1999) 0.03" 0.1"
Mar 20 26° 59° 7° (1965) 79° (2004) 0.03" 0.1"
Mar 21 26° 59° 6° (1943) 81° (2004) 0.03" 0.1"
Mar 22 26° 60° 3° (1923) 81° (2004) 0.03" 0.1"
Mar 23 26° 60° -2° (1952) 74° (2004) 0.04" 0.1"
Mar 24 26° 60° 10° (1952) 74° (1998) 0.03" 0.1"
Mar 25 26° 60° 11° (1965) 76° (1998) 0.03" 0.2"
Mar 26 27° 61° 12° (1931) 75° (1971) 0.03" 0.1"
Mar 27 27° 61° 8° (1931) 75° (2004) 0.04" 0.1"
Mar 28 27° 61° 5° (1975) 79° (1986) 0.03" 0.1"
Mar 29 27° 62° 7° (1975) 78° (1943) 0.03" 0.1"
Mar 30 27° 62° 9° (1987) 77° (1986) 0.03" 0.1"
Mar 31 27° 62° 9° (1924) 78° (1933) 0.03" 0.1"
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