Royal, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -38° (1912) 66° (1981) 0.62" 8.6"
February 12° 31° -36° (1899) 67° (1896) 0.51" 6"
March 23° 43° -28° (1948) 87° (1928) 1.67" 5.5"
April 35° 59° 0° (1975) 93° (2007) 3.25" 1.9"
May 47° 71° 20° (1967) 109° (1934) 3.82" 0.1"
June 57° 80° 30° (1896) 106° (1933) 4.4" 0"
July 62° 84° 40° (1971) 113° (1936) 4.07" 0"
August 59° 81° 34° (1950) 111° (1930) 3.83" 0"
September 49° 74° 21° (1942) 102° (1925) 3.26" 0.1"
October 37° 60° -8° (1925) 93° (1997) 2.1" 0.6"
November 24° 43° -17° (1959) 80° (2006) 1.27" 4.9"
December 11° 28° -30° (1914) 66° (1998) 0.73" 8.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 18° 36° -25° (1962) 68° (1923) 0.03" 0.2"
Mar 2 18° 36° -19° (1913) 70° (1974) 0.03" 0.2"
Mar 3 18° 37° -9° (2002) 67° (1983) 0.03" 0.3"
Mar 4 19° 37° -16° (1960) 70° (2000) 0.04" 0.2"
Mar 5 19° 38° -22° (1960) 70° (2000) 0.03" 0.2"
Mar 6 20° 38° -12° (1899) 72° (2000) 0.04" 0.2"
Mar 7 20° 38° -14° (1920) 76° (2000) 0.03" 0.2"
Mar 8 20° 39° -14° (1995) 65° (2000) 0.04" 0.2"
Mar 9 21° 39° -9° (1995) 62° (1925) 0.04" 0.2"
Mar 10 21° 40° -17° (1948) 72° (1967) 0.04" 0.3"
Mar 11 22° 40° -28° (1948) 65° (1990) 0.05" 0.2"
Mar 12 22° 41° -15° (1960) 69° (1938) 0.04" 0.2"
Mar 13 22° 41° -18° (1975) 69° (1996) 0.05" 0.2"
Mar 14 23° 42° -18° (1975) 69° (1935) 0.05" 0.2"
Mar 15 23° 42° -5° (1897) 77° (1935) 0.06" 0.2"
Mar 16 24° 43° -3° (1923) 77° (1966) 0.05" 0.1"
Mar 17 24° 43° -4° (1962) 70° (1966) 0.06" 0.2"
Mar 18 24° 44° -12° (1923) 79° (1921) 0.05" 0.2"
Mar 19 25° 44° -14° (1923) 78° (1921) 0.06" 0.1"
Mar 20 25° 45° -2° (1951) 77° (1934) 0.06" 0.2"
Mar 21 25° 45° -11° (1951) 77° (1928) 0.06" 0.1"
Mar 22 26° 46° 1° (1899) 81° (1939) 0.06" 0.2"
Mar 23 26° 46° -10° (1899) 87° (1928) 0.06" 0.1"
Mar 24 26° 47° -1° (1965) 82° (1928) 0.07" 0.2"
Mar 25 27° 47° 1° (1955) 79° (1939) 0.07" 0.1"
Mar 26 27° 48° -2° (1965) 82° (2007) 0.07" 0.1"
Mar 27 28° 49° -6° (1970) 76° (1978) 0.07" 0.2"
Mar 28 28° 49° -6° (1970) 78° (1986) 0.08" 0.1"
Mar 29 28° 50° -1° (1969) 83° (1895) 0.08" 0.2"
Mar 30 29° 50° 0° (1969) 83° (1978) 0.08" 0.1"
Mar 31 29° 51° 3° (1923) 84° (1978) 0.09" 0.1"
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