Idaho Falls October 31 Weather Records

Daily averages and all-time records for weather in Idaho Falls, Idaho for the date of October 31 (Halloween).
October 31 All-Time Records
1948–2024
Highest temperature 72 °F 2014
Lowest temperature 1 °F 2002
Lowest daily high 21 °F 2002
Highest daily low 43 °F 2015
Most precipitation 0.56 inches 1974
October 31 Average Weather
1991–2020 1
Average high 51.8 °F
Average low 26.5 °F
Chance precipitation 20.3%
Idaho Falls October 31 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 50 19 0.00 n/a
2022 61 33 0.00 n/a
2021 59 35 0.00 n/a
2020 54 24 0.00 n/a
2019 32 8 0.00 n/a
2018 43 24 0.00 n/a
2017 46 17 0.00 n/a
2016 51 38 0.00 n/a
2015 59 43 0.00 n/a
2014 72 32 0.00 n/a
2013 n/a n/a n/a n/a
2012 65 34 0.00 n/a
2011 60 30 0.00 n/a
2010 55 33 0.00 n/a
2009 59 37 0.00 n/a
2008 64 33 0.03 n/a
2007 49 24 0.00 n/a
2006 36 11 0.00 n/a
2005 51 23 0.00 n/a
2004 37 23 0.05 n/a
2003 33 8 0.00 n/a
2002 21 1 0.00 n/a
2001 52 42 0.34 n/a
2000 48 33 0.00 n/a
1999 63 20 0.00 n/a
1998 54 24 0.00 n/a
1997 n/a n/a n/a n/a
1996 n/a n/a n/a n/a
1995 n/a n/a n/a n/a
1994 n/a n/a n/a n/a
1993 52 18 0.00 0.0
1992 47 33 0.00 0.0
1991 31 21 0.00 0.0
1990 62 34 0.00 0.0
1989 43 20 0.00 0.0
1988 67 23 0.00 0.0
1987 61 42 0.00 0.0
1986 49 27 0.00 0.0
1985 46 31 0.00 0.0
1984 42 29 0.00 0.0
1983 60 39 0.00 0.0
1982 38 34 0.07 0.0
1981 48 27 0.00 0.0
1980 61 26 0.00 0.0
1979 42 20 0.00 0.0
1978 57 21 0.00 0.0
1977 45 23 0.00 0.0
1976 60 22 0.00 0.0
1975 45 30 0.00 0.0
1974 44 35 0.56 0.0
1973 55 40 0.00 0.0
1972 37 14 0.00 0.0
1971 29 25 0.11 1.5
1970 46 21 0.00 0.0
1969 51 25 0.00 0.0
1968 51 28 0.00 0.0
1967 54 24 0.00 0.0
1966 59 32 0.00 0.0
1965 66 24 0.00 0.0
1964 49 34 0.00 0.0
1963 39 22 0.00 0.0
1962 61 29 0.00 0.0
1961 47 22 0.00 0.0
1960 51 23 0.00 0.0
1959 56 18 0.00 0.0
1958 55 18 0.00 0.0
1957 55 33 0.00 0.0
1956 37 25 0.22 2.5
1955 40 20 0.00 0.0
1954 59 22 0.00 0.0
1953 56 32 0.00 0.0
1952 58 29 0.00 0.0
1951 42 15 0.00 0.0
1950 45 35 0.34 0.0
1949 56 22 0.00 0.0
1948 51 27 0.00 0.0
What's the all-time high for Idaho Falls on 10/31?
For the date of Oct 31, the highest temperature ever reached in Idaho Falls history is 72 °F which happened in 2014.
Highest Temperatures in Idaho Falls on October 31
Rank Temperature Year
1 72 °F 2014
2 67 °F 1988
3 66 °F 1965
4 65 °F 2012
5 64 °F 2008
6 63 °F 1999
7 62 °F 1990
8 61 °F 1987
8 61 °F 1980
8 61 °F 2022
8 61 °F 1962
What's the all-time low for Idaho Falls on 10/31?
For the date of Oct 31, the lowest temperature ever reached in Idaho Falls history is 1 °F which happened in 2002.
Lowest Temperatures in Idaho Falls on October 31
Rank Temperature Year
1 1 °F 2002
2 8 °F 2003
2 8 °F 2019
4 11 °F 2006
5 14 °F 1972
6 15 °F 1951
7 17 °F 2017
8 18 °F 1993
8 18 °F 1959
8 18 °F 1958
Lowest High Temperatures in Idaho Falls on October 31
Rank Temperature Year
1 21 °F 2002
2 29 °F 1971
3 31 °F 1991
4 32 °F 2019
5 33 °F 2003
6 36 °F 2006
7 37 °F 1972
7 37 °F 1956
7 37 °F 2004
10 38 °F 1982
What's the most it has ever rained in Idaho Falls on 10/31?
For the date of Oct 31, the most precipitation ever recorded in Idaho Falls history is 0.56 inches which happened in 1974.
All-Time Most Precipitation in Idaho Falls on October 31
Rank Precipitation Year
1 0.56 inches 1974
2 0.34 inches 1950
2 0.34 inches 2001
4 0.22 inches 1956
5 0.11 inches 1971
6 0.07 inches 1982
7 0.05 inches 2004
8 0.03 inches 2008
Weather Station Details
Years Station Coordinates
1948–2024 Idaho Falls Fanning Field location