Flagstaff, Arizona
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -9° -34.4° (1937) 18.9° (1971) 2.18" 23"
February -7° -30.6° (1985) 21.7° (1986) 2.56" 21.3"
March -5° 10° -26.7° (1966) 22.8° (2007) 2.62" 24.4"
April -3° 14° -18.9° (1975) 26.7° (1992) 1.29" 9.7"
May 20° -13.9° (1915) 31.7° (2002) 0.8" 1.3"
June 26° -5.6° (1955) 35.6° (1970) 0.43" 0"
July 10° 28° 0° (1955) 36.1° (1973) 2.4" 0"
August 27° -4.4° (1968) 33.9° (1902) 2.89" 0"
September 23° -6.7° (1912) 32.8° (1948) 2.12" 0"
October -1° 17° -18.9° (1971) 29.4° (1980) 1.93" 2.8"
November -6° 11° -25° (1958) 23.3° (1977) 1.86" 13.3"
December -8° -30.6° (1990) 20° (1950) 1.83" 14"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 7.8° 25° 1° (1962) 33° (1948) 0.08" NA
Sep 2 7.8° 25° 2° (1953) 33° (1948) 0.08" NA
Sep 3 7.2° 25° 1° (1973) 33° (1948) 0.08" NA
Sep 4 7.2° 25° -3° (1961) 32° (1945) 0.08" NA
Sep 5 7.2° 25° -1° (1961) 32° (1945) 0.08" NA
Sep 6 7.2° 24.4° 1° (1985) 31° (1977) 0.08" NA
Sep 7 6.7° 24.4° 2° (1970) 32° (1977) 0.08" NA
Sep 8 6.7° 24.4° 1° (1935) 31° (1977) 0.08" NA
Sep 9 6.7° 24.4° -1° (2001) 31° (1977) 0.07" NA
Sep 10 6.7° 23.9° -2° (1912) 31° (1990) 0.07" NA
Sep 11 6.1° 23.9° -1° (1986) 31° (1990) 0.07" NA
Sep 12 6.1° 23.9° -4° (1985) 31° (1990) 0.07" NA
Sep 13 6.1° 23.9° -3° (1952) 32° (1990) 0.07" NA
Sep 14 5.6° 23.3° -2° (1988) 31° (2000) 0.07" NA
Sep 15 5.6° 23.3° -3° (1903) 31° (2000) 0.07" NA
Sep 16 5.6° 23.3° -2° (1971) 31° (2000) 0.07" NA
Sep 17 23.3° -3° (1903) 31° (1956) 0.07" NA
Sep 18 22.8° -3° (2006) 30° (1956) 0.07" NA
Sep 19 22.8° -4° (1971) 29° (1956) 0.07" NA
Sep 20 4.4° 22.8° -5° (1971) 28° (2000) 0.07" NA
Sep 21 4.4° 22.2° -5° (1955) 29° (1943) 0.07" NA
Sep 22 4.4° 22.2° -7° (1912) 28° (1949) 0.07" NA
Sep 23 3.9° 22.2° -4° (1970) 30° (1944) 0.07" NA
Sep 24 3.9° 22.2° -4° (1918) 29° (1947) 0.07" NA
Sep 25 3.9° 21.7° -4° (1959) 29° (1947) 0.06" NA
Sep 26 3.3° 21.7° -6° (1934) 29° (1899) 0.06" NA
Sep 27 3.3° 21.7° -5° (1900) 28° (1963) 0.06" NA
Sep 28 3.3° 21.1° -6° (1900) 28° (1963) 0.06" NA
Sep 29 2.8° 21.1° -6° (1902) 28° (1978) 0.06" NA
Sep 30 2.8° 20.6° -4° (1907) 28° (1980) 0.06" NA
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