Rock Lake, North Dakota
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -10° 12° -43° (1943) 54° (2003) 0.64" 5.8"
February -2° 20° -45° (1996) 60° (2000) 0.63" 4.6"
March 12° 31° -38° (1962) 74° (1946) 0.85" 7.4"
April 27° 50° -18° (1979) 96° (1980) 1.12" 2.2"
May 40° 66° 12° (1967) 105° (1934) 2.39" 0.2"
June 48° 74° 20° (1964) 103° (1933) 3.19" 0"
July 52° 79° 33° (1984) 109° (1936) 2.87" 0"
August 50° 79° 27° (1982) 105° (1936) 2.59" 0"
September 40° 67° 11° (1965) 100° (1978) 1.62" 0.2"
October 28° 53° -10° (1991) 93° (1992) 1.22" 1.7"
November 11° 31° -31° (1985) 73° (2001) 0.81" 4"
December -4° 17° -40° (2000) 65° (1939) 0.57" 5.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 22° -20° (1985) 55° (1969) 0.02" NA
Dec 2 22° -24° (1964) 52° (1988) 0.02" NA
Dec 3 22° -28° (1964) 51° (1941) 0.02" NA
Dec 4 21° -25° (1964) 57° (1941) 0.02" NA
Dec 5 21° -21° (1972) 56° (1939) 0.02" NA
Dec 6 20° -27° (1972) 65° (1939) 0.02" NA
Dec 7 20° -28° (1936) 49° (1939) 0.02" NA
Dec 8 -1° 20° -26° (1972) 46° (1939) 0.02" NA
Dec 9 -1° 19° -31° (1977) 56° (1939) 0.02" NA
Dec 10 -2° 19° -36° (1977) 52° (2002) 0.02" NA
Dec 11 -2° 19° -28° (2000) 60° (1939) 0.02" NA
Dec 12 -2° 18° -40° (2000) 49° (2002) 0.02" NA
Dec 13 -3° 18° -27° (1940) 41° (1999) 0.02" NA
Dec 14 -3° 17° -27° (1989) 45° (2002) 0.02" NA
Dec 15 -4° 17° -28° (1963) 50° (1939) 0.02" NA
Dec 16 -4° 17° -27° (1963) 49° (1962) 0.02" NA
Dec 17 -4° 17° -27° (1956) 50° (1939) 0.02" NA
Dec 18 -5° 16° -30° (1951) 46° (1943) 0.01" NA
Dec 19 -5° 16° -33° (1989) 43° (1979) 0.01" NA
Dec 20 -6° 16° -35° (1989) 44° (1957) 0.01" NA
Dec 21 -6° 15° -35° (1989) 51° (2003) 0.01" NA
Dec 22 -6° 15° -28° (1983) 46° (2003) 0.01" NA
Dec 23 -7° 15° -39° (1983) 46° (1940) 0.02" NA
Dec 24 -7° 14° -30° (2000) 45° (1943) 0.02" NA
Dec 25 -7° 14° -34° (1933) 45° (1999) 0.02" NA
Dec 26 -8° 14° -36° (1934) 40° (1956) 0.02" NA
Dec 27 -8° 14° -35° (1933) 43° (1980) 0.02" NA
Dec 28 -8° 13° -36° (1933) 47° (1980) 0.02" NA
Dec 29 -9° 13° -37° (1938) 45° (1979) 0.02" NA
Dec 30 -9° 13° -32° (1990) 45° (1943) 0.02" NA
Dec 31 -9° 13° -37° (1967) 42° (1952) 0.02" NA
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