Riverton, Wyoming
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -18° -1° -43.3° (1979) 17.2° (1953) 0.28" 4.7"
February -14° -42.8° (1936) 21.7° (1951) 0.25" 4.3"
March -7° 10° -31.1° (1920) 25.6° (1986) 0.48" 4.4"
April -2° 16° -27.8° (1936) 30.6° (1987) 1.01" 3.8"
May 21° -7.8° (1954) 35.6° (1984) 1.78" 0.4"
June 27° -3.3° (1951) 38.9° (1970) 1.14" 0"
July 11° 32° -1.1° (1986) 40° (2005) 0.73" 0"
August 31° -1.1° (1932) 39.4° (1988) 0.49" 0"
September 24° -12.8° (1926) 36.7° (1990) 0.88" 0.7"
October -2° 17° -21.7° (1971) 32.2° (1980) 0.81" 2.5"
November -11° -33.3° (1985) 22.8° (1999) 0.47" 5"
December -17° -1° -43.3° (1983) 18.3° (1995) 0.36" 5.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 -14.4° 1.7° -30° (1985) 16° (1951) 0.02" NA
Dec 2 -15° 1.1° -28° (1931) 18° (1995) 0.02" NA
Dec 3 -15° 1.1° -29° (1931) 14° (1941) 0.02" NA
Dec 4 -15.6° 1.1° -31° (1928) 14° (1958) 0.02" NA
Dec 5 -15.6° 0.6° -37° (1972) 16° (1940) 0.02" NA
Dec 6 -15.6° 0.6° -41° (1972) 17° (1939) 0.01" NA
Dec 7 -16.1° 0.6° -41° (1972) 17° (1981) 0.01" NA
Dec 8 -16.1° -39° (1978) 14° (1981) 0.01" NA
Dec 9 -16.1° -40° (1919) 17° (1939) 0.01" NA
Dec 10 -16.7° -39° (1919) 18° (1933) 0.01" NA
Dec 11 -16.7° -0.6° -38° (1972) 16° (1933) 0.01" NA
Dec 12 -16.7° -0.6° -37° (1932) 16° (1995) 0.01" NA
Dec 13 -17.2° -0.6° -36° (1932) 16° (1924) 0.01" NA
Dec 14 -17.2° -0.6° -35° (1926) 15° (1924) 0.01" NA
Dec 15 -17.2° -1.1° -34° (1926) 16° (1924) 0.01" NA
Dec 16 -17.8° -1.1° -34° (1972) 15° (1939) 0.01" NA
Dec 17 -17.8° -1.1° -35° (1964) 17° (1939) 0.01" NA
Dec 18 -17.8° -1.1° -41° (1924) 18° (1980) 0.01" NA
Dec 19 -17.8° -1.1° -43° (1924) 11° (1933) 0.01" NA
Dec 20 -17.8° -1.7° -42° (1924) 12° (1933) 0.01" NA
Dec 21 -18.3° -1.7° -40° (1990) 14° (1981) 0.01" NA
Dec 22 -18.3° -1.7° -42° (1983) 14° (1933) 0.01" NA
Dec 23 -18.3° -1.7° -43° (1983) 14° (1933) 0.01" NA
Dec 24 -18.3° -1.7° -42° (1983) 16° (1969) 0.01" NA
Dec 25 -18.3° -1.7° -36° (1944) 13° (1946) 0.01" NA
Dec 26 -18.3° -1.7° -34° (1944) 14° (1980) 0.01" NA
Dec 27 -18.3° -1.7° -34° (1948) 15° (1980) 0.01" NA
Dec 28 -18.3° -1.7° -32° (1944) 12° (1980) 0.01" NA
Dec 29 -18.3° -1.7° -36° (1983) 12° (1965) 0.01" NA
Dec 30 -18.3° -2.2° -41° (1978) 13° (1929) 0.01" NA
Dec 31 -18.3° -2.2° -43° (1978) 15° (1980) 0.01" NA
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