Twin Falls May 20 Weather Records

Daily averages and all-time records for weather in Twin Falls, Idaho for the date of May 20.
May 20 All-Time Records
1925–2024
Highest temperature 97 °F 1954
Lowest temperature 27 °F 2003
Lowest daily high 47 °F 2016
Highest daily low 62 °F 1954
Most precipitation 1.39 inches 1957
May 20 Average Weather
1991–2020 1
Average high 70.4 °F
Average low 44.3 °F
Chance precipitation 30.2%
Twin Falls May 20 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 86 51 0.00 n/a
2022 59 31 0.00 n/a
2021 60 37 0.04 n/a
2020 54 42 0.25 n/a
2019 58 43 0.01 n/a
2018 74 48 0.07 n/a
2017 71 43 0.08 n/a
2016 47 41 0.70 n/a
2015 62 48 0.11 n/a
2014 62 38 0.01 n/a
2013 72 46 0.00 n/a
2012 84 47 0.00 n/a
2011 72 49 0.00 n/a
2010 59 34 0.09 n/a
2009 67 46 0.00 n/a
2008 91 48 0.00 n/a
2007 72 54 0.00 n/a
2006 76 55 0.07 n/a
2005 71 47 0.00 n/a
2004 67 40 0.00 n/a
2003 70 27 0.00 n/a
2002 65 42 0.03 n/a
2001 65 48 0.00 n/a
2000 77 50 0.00 n/a
1999 79 44 0.01 n/a
1998 73 40 0.00 n/a
1997 76 44 0.00 0.0
1996 57 36 0.00 0.0
1995 69 41 0.00 0.0
1994 61 40 0.02 0.0
1993 84 52 0.00 0.0
1992 81 48 0.00 0.0
1991 65 39 0.07 0.0
1990 60 40 0.00 0.0
1989 58 40 0.00 0.0
1988 65 37 0.00 0.0
1987 56 36 0.22 0.0
1986 85 51 0.00 0.0
1985 76 45 0.01 0.0
1984 81 55 0.00 0.0
1983 64 38 0.00 0.0
1982 61 34 0.00 0.0
1981 64 43 0.10 0.0
1980 78 48 0.00 0.0
1979 73 42 0.00 0.0
1978 68 45 0.20 0.0
1977 62 33 0.00 0.0
1976 80 41 0.00 0.0
1975 52 29 0.01 0.0
1974 58 35 0.10 0.0
1973 78 55 0.02 0.0
1972 75 46 0.00 0.0
1971 69 37 0.00 0.0
1970 76 47 0.00 0.0
1969 73 39 0.00 0.0
1968 81 45 0.27 0.0
1967 74 47 0.00 0.0
1966 81 44 0.00 0.0
1965 75 52 0.00 0.0
1964 91 60 0.00 0.0
1963 75 42 0.00 0.0
1962 58 42 n/a 0.0
1961 76 49 0.00 0.0
1960 64 39 0.00 0.0
1959 55 37 0.00 0.0
1958 89 51 0.00 0.0
1957 59 40 1.39 0.0
1956 83 54 0.00 0.0
1955 76 46 0.00 0.0
1954 97 62 0.00 0.0
1953 60 40 0.40 0.0
1952 78 54 0.00 0.0
1951 75 40 0.00 0.0
1950 74 35 0.00 0.0
1949 69 41 0.13 0.0
1948 76 40 0.00 0.0
1947 79 44 0.00 0.0
1946 78 51 0.00 0.0
1945 61 36 0.00 0.0
1944 70 41 0.00 0.0
1943 79 42 0.07 0.0
1942 79 44 0.00 0.0
1941 74 48 0.00 0.0
1940 72 44 0.00 0.0
1939 62 n/a 0.00 n/a
1938 65 36 0.00 0.0
1937 74 43 0.00 0.0
1936 58 34 0.00 0.0
1935 71 42 0.00 0.0
1934 70 46 0.00 0.0
1933 70 33 n/a 0.0
1932 87 48 n/a n/a
1931 54 27 0.00 n/a
1930 78 34 0.00 0.0
1929 83 41 0.00 0.0
1928 85 50 0.00 n/a
1927 55 35 0.00 0.0
1926 76 40 0.00 n/a
1925 85 56 0.26 n/a
What's the all-time high for Twin Falls on 5/20?
For the date of May 20, the highest temperature ever reached in Twin Falls history is 97 °F which happened in 1954.
Highest Temperatures in Twin Falls on May 20
Rank Temperature Year
1 97 °F 1954
2 91 °F 1964
2 91 °F 2008
4 89 °F 1958
5 87 °F 1932
6 86 °F 2023
7 85 °F 1928
7 85 °F 1925
7 85 °F 1986
10 84 °F 1993
10 84 °F 2012
What's the all-time low for Twin Falls on 5/20?
For the date of May 20, the lowest temperature ever reached in Twin Falls history is 27 °F which has happened 2 times, most recently in 2003.
Lowest Temperatures in Twin Falls on May 20
Rank Temperature Year
1 27 °F 1931
1 27 °F 2003
3 29 °F 1975
4 31 °F 2022
5 33 °F 1933
5 33 °F 1977
7 34 °F 2010
7 34 °F 1936
7 34 °F 1930
7 34 °F 1982
Lowest High Temperatures in Twin Falls on May 20
Rank Temperature Year
1 47 °F 2016
2 52 °F 1975
3 54 °F 1931
3 54 °F 2020
5 55 °F 1959
5 55 °F 1927
7 56 °F 1987
8 57 °F 1996
9 58 °F 1989
9 58 °F 1962
9 58 °F 2019
9 58 °F 1974
9 58 °F 1936
What's the most it has ever rained in Twin Falls on 5/20?
For the date of May 20, the most precipitation ever recorded in Twin Falls history is 1.39 inches which happened in 1957.
All-Time Most Precipitation in Twin Falls on May 20
Rank Precipitation Year
1 1.39 inches 1957
2 0.70 inches 2016
3 0.40 inches 1953
4 0.27 inches 1968
5 0.26 inches 1925
6 0.25 inches 2020
7 0.22 inches 1987
8 0.20 inches 1978
9 0.13 inches 1949
10 0.11 inches 2015
Weather Station Details
Years Station Coordinates
1998–2024 Magic Valley Regional Airport location
1977–1997 Twin Falls 6 E location
1925–1976 Twin Falls 3 SE location