Pocatello May 21 Weather Records

Daily averages and all-time records for weather in Pocatello, Idaho for the date of May 21.
May 21 All-Time Records
1939–2024
Highest temperature 92 °F 2012
Lowest temperature 26 °F 2022
Lowest daily high 47 °F 2002
Highest daily low 64 °F 1958
Most precipitation 1.29 inches 1970
Most snow 0.2 inches 1953
May 21 Average Weather
1991–2020 1
Average high 70.6 °F
Average low 41.2 °F
Chance precipitation 29.8%
Chance snow 0.6%
Pocatello May 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 85 44 0.00 0.0
2022 63 26 0.00 0.0
2021 52 40 0.08 0.0
2020 62 41 0.10 0.0
2019 54 42 0.33 0.0
2018 75 45 0.00 0.0
2017 71 46 0.02 0.0
2016 56 40 0.22 0.0
2015 69 44 0.03 0.0
2014 79 41 0.00 0.0
2013 75 39 0.00 0.0
2012 92 43 0.00 0.0
2011 69 39 0.00 0.0
2010 63 31 0.00 0.0
2009 74 28 0.00 0.0
2008 53 41 0.01 0.0
2007 58 38 0.04 0.0
2006 84 51 0.00 0.0
2005 64 43 0.00 0.0
2004 69 43 0.00 0.0
2003 79 34 0.00 0.0
2002 47 39 1.07 0.0
2001 67 26 0.00 0.0
2000 81 53 0.00 0.0
1999 75 48 0.00 0.0
1998 58 41 0.14 0.0
1997 76 48 0.07 0.0
1996 69 30 0.00 0.0
1995 78 41 0.00 0.0
1994 73 33 0.00 0.0
1993 66 51 0.21 0.0
1992 64 48 0.11 0.0
1991 75 43 0.00 0.0
1990 72 39 0.00 0.0
1989 76 34 0.00 0.0
1988 78 38 0.00 0.0
1987 62 39 0.32 0.0
1986 60 36 0.53 0.0
1985 73 42 0.00 0.0
1984 62 43 0.00 0.0
1983 70 45 0.00 0.0
1982 77 36 0.00 0.0
1981 51 44 0.94 0.0
1980 82 45 0.00 0.0
1979 80 43 0.00 0.0
1978 79 43 0.00 0.0
1977 69 39 0.00 0.0
1976 76 38 0.00 0.0
1975 55 38 0.12 0.0
1974 61 37 0.06 0.0
1973 66 35 0.00 0.0
1972 54 38 0.00 0.0
1971 68 37 0.00 0.0
1970 56 47 1.29 0.0
1969 70 36 0.00 0.0
1968 53 44 0.66 0.0
1967 82 43 0.00 0.0
1966 80 44 0.07 0.0
1965 60 44 0.02 0.0
1964 74 49 0.00 0.0
1963 79 42 0.00 0.0
1962 52 39 0.01 0.0
1961 72 49 0.00 0.0
1960 48 37 0.00 0.0
1959 65 28 0.00 0.0
1958 85 64 0.00 0.0
1957 48 35 0.53 0.0
1956 83 50 0.07 0.0
1955 72 52 0.00 0.0
1954 72 43 0.79 0.0
1953 51 34 0.07 0.2
1952 51 39 0.19 0.0
1951 76 47 0.00 0.0
1950 78 38 0.00 0.0
1949 63 45 0.01 0.0
1948 79 49 0.00 0.0
1947 74 43 0.00 0.0
1946 70 51 0.00 0.0
1945 58 36 0.08 0.0
1944 74 44 0.00 0.0
1943 69 47 0.00 0.0
1942 79 45 0.00 0.0
1941 80 44 0.00 0.0
1940 73 38 0.00 0.0
1939 76 45 0.00 0.0
What's the all-time high for Pocatello on 5/21?
For the date of May 21, the highest temperature ever reached in Pocatello history is 92 °F which happened in 2012.
Highest Temperatures in Pocatello on May 21
Rank Temperature Year
1 92 °F 2012
2 85 °F 1958
2 85 °F 2023
4 84 °F 2006
5 83 °F 1956
6 82 °F 1967
6 82 °F 1980
8 81 °F 2000
9 80 °F 1941
9 80 °F 1966
9 80 °F 1979
What's the all-time low for Pocatello on 5/21?
For the date of May 21, the lowest temperature ever reached in Pocatello history is 26 °F which has happened 2 times, most recently in 2022.
Lowest Temperatures in Pocatello on May 21
Rank Temperature Year
1 26 °F 2022
1 26 °F 2001
3 28 °F 2009
3 28 °F 1959
5 30 °F 1996
6 31 °F 2010
7 33 °F 1994
8 34 °F 1953
8 34 °F 1989
8 34 °F 2003
Lowest High Temperatures in Pocatello on May 21
Rank Temperature Year
1 47 °F 2002
2 48 °F 1960
2 48 °F 1957
4 51 °F 1952
4 51 °F 1981
4 51 °F 1953
7 52 °F 1962
7 52 °F 2021
9 53 °F 2008
9 53 °F 1968
What's the most it has ever rained in Pocatello on 5/21?
For the date of May 21, the most precipitation ever recorded in Pocatello history is 1.29 inches which happened in 1970.
All-Time Most Precipitation in Pocatello on May 21
Rank Precipitation Year
1 1.29 inches 1970
2 1.07 inches 2002
3 0.94 inches 1981
4 0.79 inches 1954
5 0.66 inches 1968
6 0.53 inches 1986
6 0.53 inches 1957
8 0.33 inches 2019
9 0.32 inches 1987
10 0.22 inches 2016
All-Time Most Snow in Pocatello on May 21
Rank Precipitation Year
1 0.2 inches 1953
Weather Station Details
Years Station Coordinates
1939–2024 Pocatello Regional Airport location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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