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
Sep 1 6.7° 27.8° 1° (1924) 36° (1954) 0.02" NA
Sep 2 6.7° 27.8° 1° (1952) 34° (1947) 0.02" NA
Sep 3 6.1° 27.2° -1° (1961) 35° (1987) 0.03" NA
Sep 4 6.1° 27.2° -1° (1984) 36° (1950) 0.03" NA
Sep 5 5.6° 26.7° 1° (1953) 35° (1950) 0.03" NA
Sep 6 5.6° 26.7° -2° (1943) 34° (1947) 0.03" NA
Sep 7 5.6° 26.1° -1° (1989) 34° (1952) 0.03" NA
Sep 8 26.1° -1° (1929) 37° (1990) 0.03" NA
Sep 9 26.1° -4° (1962) 35° (1979) 0.03" NA
Sep 10 25.6° -2° (1992) 34° (1979) 0.03" NA
Sep 11 4.4° 25.6° -2° (1983) 32° (1997) 0.03" NA
Sep 12 4.4° 25° -2° (1951) 33° (1948) 0.03" NA
Sep 13 4.4° 25° -4° (1974) 36° (1990) 0.03" NA
Sep 14 3.9° 24.4° -6° (1993) 33° (1948) 0.03" NA
Sep 15 3.9° 24.4° -3° (1936) 36° (1948) 0.03" NA
Sep 16 3.3° 23.9° -5° (1936) 34° (2000) 0.03" NA
Sep 17 3.3° 23.9° -5° (1965) 34° (2000) 0.03" NA
Sep 18 3.3° 23.9° -12° (1965) 31° (1937) 0.03" NA
Sep 19 2.8° 23.3° -9° (1965) 35° (1981) 0.03" NA
Sep 20 2.8° 23.3° -5° (1965) 33° (1981) 0.03" NA
Sep 21 2.8° 22.8° -7° (1983) 32° (1956) 0.03" NA
Sep 22 2.2° 22.8° -5° (1983) 31° (1936) 0.03" NA
Sep 23 2.2° 22.8° -5° (1984) 31° (1947) 0.03" NA
Sep 24 2.2° 22.2° -7° (1984) 32° (1992) 0.03" NA
Sep 25 1.7° 22.2° -13° (1926) 31° (1949) 0.03" NA
Sep 26 1.7° 21.7° -9° (1926) 31° (1947) 0.03" NA
Sep 27 1.7° 21.7° -7° (1964) 31° (1956) 0.03" NA
Sep 28 1.1° 21.7° -10° (1984) 31° (2001) 0.03" NA
Sep 29 1.1° 21.1° -11° (1984) 31° (1994) 0.03" NA
Sep 30 1.1° 21.1° -8° (1984) 29° (1938) 0.03" NA
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