Riverton, Wyoming
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -14° -1° -43.3° (1979) 17.2° (1953) 0.28" 4.8"
February -12° -42.8° (1936) 21.7° (1951) 0.34" 6"
March -5° 10° -31.1° (1920) 25.6° (1986) 0.56" 5.9"
April -1° 16° -27.8° (1936) 30.6° (1987) 0.98" 6.1"
May 21° -7.8° (1954) 35.6° (1984) 1.45" 1.2"
June 26° -3.3° (1951) 38.9° (1970) 1.21" 0"
July 12° 31° -1.1° (1986) 40° (2005) 0.78" 0"
August 11° 30° -1.1° (1932) 39.4° (1988) 0.5" 0"
September 24° -12.8° (1926) 36.7° (1990) 0.83" 0.3"
October -1° 16° -21.7° (1971) 32.2° (1980) 0.85" 3.7"
November -8° -33.3° (1985) 22.8° (1999) 0.41" 4.3"
December -15° -1° -43.3° (1983) 18.3° (1995) 0.24" 4.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 28° 1° (1924) 36° (1954) 0.02" 0"
Sep 2 28° 1° (1952) 34° (1947) 0.02" 0"
Sep 3 27° -1° (1961) 35° (1987) 0.02" 0"
Sep 4 27° -1° (1984) 36° (1950) 0.02" 0"
Sep 5 27° 1° (1953) 35° (1950) 0.02" 0"
Sep 6 27° -2° (1943) 34° (1947) 0.02" 0"
Sep 7 26° -1° (1989) 34° (1952) 0.02" 0"
Sep 8 26° -1° (1929) 37° (1990) 0.03" 0"
Sep 9 26° -4° (1962) 35° (1979) 0.02" 0"
Sep 10 26° -2° (1992) 34° (1979) 0.03" 0"
Sep 11 25° -2° (1983) 32° (1997) 0.02" 0"
Sep 12 25° -2° (1951) 33° (1948) 0.03" 0"
Sep 13 25° -4° (1974) 36° (1990) 0.03" 0"
Sep 14 24° -6° (1993) 33° (1948) 0.02" 0"
Sep 15 24° -3° (1936) 36° (1948) 0.03" 0"
Sep 16 24° -5° (1936) 34° (2000) 0.03" 0.1"
Sep 17 23° -5° (1965) 34° (2000) 0.03" 0"
Sep 18 23° -12° (1965) 31° (1937) 0.03" 0"
Sep 19 23° -9° (1965) 35° (1981) 0.03" 0"
Sep 20 23° -5° (1965) 33° (1981) 0.03" 0"
Sep 21 22° -7° (1983) 32° (1956) 0.03" 0"
Sep 22 22° -5° (1983) 31° (1936) 0.03" 0"
Sep 23 22° -5° (1984) 31° (1947) 0.04" 0"
Sep 24 21° -7° (1984) 32° (1992) 0.03" 0.1"
Sep 25 21° -13° (1926) 31° (1949) 0.03" 0"
Sep 26 21° -9° (1926) 31° (1947) 0.04" 0"
Sep 27 20° -7° (1964) 31° (2010) 0.03" 0"
Sep 28 20° -10° (1984) 31° (2001) 0.04" 0.1"
Sep 29 20° -11° (1984) 31° (1994) 0.03" 0"
Sep 30 20° -8° (1984) 29° (1938) 0.03" 0"
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