Idaho Falls December 15 Weather Records

Daily averages and all-time records for weather in Idaho Falls, Idaho for the date of December 15.
December 15 All-Time Records
1948–2024
Highest temperature 46 °F 1979
Lowest temperature -14 °F 1972
Lowest daily high 13 °F 1972
Highest daily low 33 °F 1981
Most precipitation 0.20 inches 1977
December 15 Average Weather
1991–2020 1
Average high 30.8 °F
Average low 13.7 °F
Chance precipitation 30.7%
Idaho Falls December 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 35 16 0.00 n/a
2022 22 15 0.00 n/a
2021 29 19 0.00 n/a
2020 28 16 0.02 n/a
2019 26 13 0.00 n/a
2018 37 10 0.00 n/a
2017 27 17 0.00 n/a
2016 41 22 0.06 n/a
2015 27 12 0.00 n/a
2014 33 14 0.00 n/a
2013 n/a n/a n/a n/a
2012 30 26 0.00 n/a
2011 32 8 0.00 n/a
2010 31 19 0.00 n/a
2009 37 17 0.00 n/a
2008 24 -4 0.01 n/a
2007 27 17 0.01 n/a
2006 45 24 0.00 n/a
2005 18 -1 0.00 n/a
2004 n/a n/a n/a n/a
2003 28 10 0.00 n/a
2002 45 31 0.07 n/a
2001 20 -8 0.00 n/a
2000 37 7 0.01 n/a
1999 28 20 0.00 n/a
1998 29 12 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 29 17 0.00 0.0
1992 19 6 0.05 0.9
1991 31 6 0.00 0.0
1990 20 -6 0.00 0.0
1989 36 11 0.00 0.0
1988 21 3 0.00 0.0
1987 28 1 0.00 0.0
1986 44 13 0.00 0.0
1985 17 -4 0.00 0.0
1984 21 -7 0.00 0.0
1983 26 20 0.01 0.2
1982 35 20 0.06 1.0
1981 41 33 0.17 0.0
1980 38 20 0.00 0.0
1979 46 9 0.00 0.0
1978 27 -2 0.00 0.0
1977 46 29 0.20 0.0
1976 39 7 0.00 0.0
1975 30 20 0.00 0.0
1974 27 10 0.00 0.0
1973 31 13 0.00 0.0
1972 13 -14 0.00 0.0
1971 23 7 0.00 0.0
1970 31 17 0.00 0.0
1969 39 18 0.00 0.0
1968 39 25 0.00 0.0
1967 23 -3 0.00 0.0
1966 31 17 0.00 0.0
1965 30 8 0.00 0.0
1964 33 16 0.01 0.1
1963 22 14 0.07 0.7
1962 44 20 0.00 0.0
1961 23 17 0.01 0.0
1960 32 7 0.00 0.0
1959 31 14 0.00 0.0
1958 37 15 0.00 0.0
1957 40 25 0.12 0.0
1956 37 29 0.00 0.0
1955 20 -4 0.00 0.0
1954 36 8 0.05 1.0
1953 31 18 0.00 0.0
1952 30 8 0.00 0.0
1951 27 2 0.00 0.0
1950 41 24 0.00 0.0
1949 31 4 0.00 0.0
1948 21 5 0.00 0.0
What's the all-time high for Idaho Falls on 12/15?
For the date of Dec 15, the highest temperature ever reached in Idaho Falls history is 46 °F which has happened 2 times, most recently in 1979.
Highest Temperatures in Idaho Falls on December 15
Rank Temperature Year
1 46 °F 1979
1 46 °F 1977
3 45 °F 2006
3 45 °F 2002
5 44 °F 1962
5 44 °F 1986
7 41 °F 1981
7 41 °F 2016
7 41 °F 1950
10 40 °F 1957
What's the all-time low for Idaho Falls on 12/15?
For the date of Dec 15, the lowest temperature ever reached in Idaho Falls history is -14 °F which happened in 1972.
Lowest Temperatures in Idaho Falls on December 15
Rank Temperature Year
1 -14 °F 1972
2 -8 °F 2001
3 -7 °F 1984
4 -6 °F 1990
5 -4 °F 2008
5 -4 °F 1955
5 -4 °F 1985
8 -3 °F 1967
9 -2 °F 1978
10 -1 °F 2005
Lowest High Temperatures in Idaho Falls on December 15
Rank Temperature Year
1 13 °F 1972
2 17 °F 1985
3 18 °F 2005
4 19 °F 1992
5 20 °F 1990
5 20 °F 1955
5 20 °F 2001
8 21 °F 1988
8 21 °F 1984
8 21 °F 1948
What's the most it has ever rained in Idaho Falls on 12/15?
For the date of Dec 15, the most precipitation ever recorded in Idaho Falls history is 0.20 inches which happened in 1977.
All-Time Most Precipitation in Idaho Falls on December 15
Rank Precipitation Year
1 0.20 inches 1977
2 0.17 inches 1981
3 0.12 inches 1957
4 0.07 inches 2002
4 0.07 inches 1963
6 0.06 inches 2016
6 0.06 inches 1982
8 0.05 inches 1954
8 0.05 inches 1992
10 0.02 inches 2020
Weather Station Details
Years Station Coordinates
1948–2024 Idaho Falls Fanning Field location