Armstrong, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 17° 32° -24° (1985) 69° (1950) 1.57" 4.8"
February 22° 38° -25° (1905) 73° (2000) 1.62" 5.4"
March 32° 50° -10° (1943) 93° (1905) 2.92" 2.9"
April 41° 63° 9° (1982) 93° (1930) 3.49" 0.8"
May 52° 74° 25° (1966) 101° (1934) 4.18" 0"
June 61° 83° 34° (1945) 107° (1934) 4.05" 0"
July 65° 85° 43° (1972) 111° (1936) 4.09" 0"
August 63° 83° 36° (1915) 106° (1918) 3.78" 0"
September 55° 78° 25° (1928) 103° (1939) 2.72" 0"
October 44° 65° 9° (1925) 94° (1939) 3.04" 0.1"
November 34° 50° -10° (1950) 81° (1950) 2.97" 1.3"
December 23° 37° -22° (1924) 70° (1982) 2.47" 4.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 47° 69° 28° (1903) 89° (1951) 0.13" NA
May 2 47° 69° 29° (1966) 89° (1959) 0.13" NA
May 3 48° 69° 28° (1978) 90° (1938) 0.13" NA
May 4 48° 70° 29° (1926) 89° (1949) 0.13" NA
May 5 48° 70° 31° (1911) 95° (1952) 0.13" NA
May 6 49° 71° 28° (1968) 91° (1934) 0.13" NA
May 7 49° 71° 28° (1989) 88° (1936) 0.13" NA
May 8 49° 71° 28° (1928) 88° (2004) 0.13" NA
May 9 50° 72° 27° (1947) 94° (1934) 0.13" NA
May 10 50° 72° 25° (1966) 92° (1928) 0.13" NA
May 11 50° 72° 30° (1907) 88° (1922) 0.13" NA
May 12 51° 73° 28° (1938) 92° (1956) 0.13" NA
May 13 51° 73° 27° (1938) 91° (1956) 0.13" NA
May 14 52° 73° 31° (1910) 90° (1932) 0.13" NA
May 15 52° 74° 33° (1920) 91° (1911) 0.13" NA
May 16 52° 74° 33° (1984) 94° (2001) 0.13" NA
May 17 53° 74° 35° (1932) 93° (1906) 0.14" NA
May 18 53° 75° 32° (2002) 93° (1911) 0.14" NA
May 19 53° 75° 37° (1929) 94° (1934) 0.14" NA
May 20 54° 75° 35° (1906) 94° (1934) 0.14" NA
May 21 54° 76° 31° (2002) 96° (1934) 0.14" NA
May 22 54° 76° 35° (1924) 96° (1925) 0.14" NA
May 23 55° 77° 33° (1963) 93° (1921) 0.14" NA
May 24 55° 77° 35° (1935) 95° (1921) 0.14" NA
May 25 55° 77° 28° (1925) 92° (1911) 0.14" NA
May 26 56° 77° 31° (1925) 94° (1914) 0.14" NA
May 27 56° 78° 33° (1961) 95° (1911) 0.14" NA
May 28 56° 78° 37° (1907) 94° (1914) 0.14" NA
May 29 57° 78° 35° (1965) 96° (1934) 0.14" NA
May 30 57° 79° 35° (1947) 95° (1937) 0.14" NA
May 31 57° 79° 38° (1930) 101° (1934) 0.14" NA
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