Boulder, Colorado
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 46° -22° (1963) 73° (2005) 0.7" 10"
February 23° 49° -24° (1989) 79° (1954) 0.75" 11.1"
March 28° 56° -6° (2002) 80° (1997) 1.78" 17.2"
April 34° 63° -3° (1975) 88° (1989) 2.88" 9.3"
May 42° 72° 22° (1954) 95° (2000) 3.05" 1.4"
June 51° 82° 30° (1951) 104° (1954) 1.99" 0"
July 56° 87° 42° (1972) 104° (1954) 1.88" 0"
August 55° 85° 40° (2004) 101° (1979) 1.63" 0"
September 47° 77° 15° (1985) 100° (1983) 1.79" 1.2"
October 37° 67° 5° (1991) 90° (1953) 1.28" 5"
November 27° 53° -8° (1993) 79° (1952) 1.42" 11.8"
December 21° 46° -24° (1990) 76° (1980) 0.78" 11.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 38° 67° 24° (1989) 84° (1959) 0.11" NA
May 2 38° 67° 22° (1954) 86° (1981) 0.11" NA
May 3 38° 67° 28° (1954) 85° (1949) 0.11" NA
May 4 39° 68° 29° (1978) 88° (2000) 0.11" NA
May 5 39° 68° 29° (1950) 89° (2000) 0.11" NA
May 6 39° 68° 27° (1999) 87° (1963) 0.11" NA
May 7 39° 69° 33° (1984) 87° (1963) 0.11" NA
May 8 40° 69° 35° (1950) 85° (1956) 0.1" NA
May 9 40° 69° 25° (2002) 87° (2004) 0.1" NA
May 10 40° 70° 29° (1990) 87° (1961) 0.1" NA
May 11 41° 70° 29° (2006) 88° (1961) 0.1" NA
May 12 41° 70° 24° (1953) 88° (1962) 0.1" NA
May 13 41° 70° 27° (1953) 89° (1988) 0.1" NA
May 14 41° 71° 31° (1967) 88° (1996) 0.1" NA
May 15 42° 71° 34° (1970) 93° (1978) 0.1" NA
May 16 42° 72° 31° (1957) 93° (1996) 0.1" NA
May 17 42° 72° 31° (1968) 92° (1964) 0.1" NA
May 18 43° 72° 33° (1983) 90° (1996) 0.1" NA
May 19 43° 73° 32° (1960) 90° (2006) 0.1" NA
May 20 43° 73° 34° (2001) 93° (1954) 0.1" NA
May 21 43° 73° 26° (2001) 90° (2006) 0.1" NA
May 22 44° 74° 35° (1959) 87° (1964) 0.09" NA
May 23 44° 74° 34° (1995) 90° (1967) 0.09" NA
May 24 44° 74° 32° (1995) 90° (1967) 0.09" NA
May 25 45° 75° 32° (1950) 87° (1967) 0.09" NA
May 26 45° 75° 32° (1950) 91° (1969) 0.09" NA
May 27 45° 76° 33° (1950) 92° (2006) 0.09" NA
May 28 45° 76° 37° (1950) 95° (2000) 0.09" NA
May 29 46° 76° 33° (1975) 95° (2000) 0.09" NA
May 30 46° 77° 34° (1973) 91° (1984) 0.08" NA
May 31 46° 77° 35° (1983) 89° (2002) 0.08" NA
Advertisements
Track Severe Weather on mobile