Basel May 21 Weather Records

Daily averages and all-time records for weather in Basel, Switzerland for the date of May 21.
May 21 All-Time Records
1901–2024
Highest temperature 30.9 °C 1953
Lowest temperature 1.0 °C 1935
Lowest daily high 7.7 °C 1987
Highest daily low 15.0 °C 2009
Most precipitation 1.94 cm 2009
May 21 Average Weather
1991–2020 1
Average high 20.7 °C
Average low 10.1 °C
Chance precipitation 51.5%
Basel May 21 Weather by Year
Year High (°C) Low (°C) Precip. (cm)
2023 25.2 12.1 0.00
2022 24.1 14.5 0.00
2021 14.5 8.1 1.29
2020 26.4 10.1 0.00
2019 14.1 10.9 0.27
2018 22.4 12.6 0.00
2017 21.5 5.4 0.00
2016 25.1 9.3 0.00
2015 15.7 6.4 0.00
2014 27.3 12.4 0.00
2013 12.3 8.7 1.51
2012 19.4 13.2 0.46
2011 26.9 11.4 0.00
2010 15.4 9.0 0.00
2009 27.3 15.0 1.94
2008 14.4 8.6 0.00
2007 29.6 14.1 0.04
2006 20.8 10.8 0.08
2005 20.0 13.8 0.07
2004 19.1 9.6 1.33
2003 14.1 8.2 0.02
2002 26.2 10.7 0.00
2001 24.2 8.3 0.00
2000 18.2 6.6 0.32
1999 16.3 11.4 0.00
1998 23.7 10.2 0.20
1997 19.8 10.2 0.08
1996 17.4 6.7 0.12
1995 16.4 5.0 0.00
1994 17.6 9.0 1.05
1993 13.0 7.6 0.05
1992 22.1 7.9 0.00
1991 22.6 6.1 0.00
1990 18.7 12.5 0.30
1989 26.4 9.4 0.00
1988 15.4 6.1 0.00
1987 7.7 4.5 0.11
1986 19.3 13.6 0.15
1985 17.8 10.9 0.18
1984 12.7 9.3 0.44
1983 13.5 8.7 0.12
1982 21.9 13.8 0.06
1981 26.4 14.2 0.62
1980 19.8 6.6 0.46
1979 20.6 5.9 0.11
1978 18.2 8.1 0.07
1977 18.8 10.2 0.07
1976 16.6 9.9 0.03
1975 25.5 10.9 0.00
1974 23.8 11.4 0.00
1973 16.7 11.9 0.50
1972 18.8 9.4 0.00
1971 20.9 13.8 0.12
1970 16.5 9.5 0.50
1969 19.3 3.2 0.00
1968 11.4 5.9 0.44
1967 21.1 7.3 0.00
1966 21.5 12.4 0.00
1965 17.5 1.8 0.00
1964 19.1 6.8 0.00
1963 23.8 3.4 0.00
1962 21.3 3.1 0.03
1961 14.3 6.2 0.39
1960 20.3 11.9 1.12
1959 25.6 10.8 0.00
1958 18.7 9.5 0.64
1957 18.5 4.4 0.03
1956 21.7 1.6 0.29
1955 16.7 1.1 0.18
1954 15.0 5.7 0.20
1953 30.9 13.0 0.00
1952 17.2 4.0 0.00
1951 21.9 9.3 0.01
1950 29.6 12.6 0.05
1949 18.6 11.3 0.03
1948 22.9 6.5 0.00
1947 18.5 10.4 0.34
1946 20.3 11.5 0.06
1945 18.3 12.7 0.59
1944 14.9 11.3 1.27
1943 27.9 10.6 0.00
1942 24.4 11.5 0.06
1941 15.1 8.3 0.56
1940 26.0 4.7 0.00
1939 10.3 8.6 1.79
1938 8.5 5.0 0.17
1937 18.3 11.0 0.55
1936 16.1 7.3 0.00
1935 21.9 1.0 0.00
1934 24.9 11.3 0.00
1933 25.7 7.1 0.00
1932 29.8 11.9 1.60
1931 17.6 8.8 0.01
1930 19.1 8.4 0.00
1929 22.8 7.4 0.00
1928 13.7 6.8 0.29
1927 23.8 8.0 1.29
1926 20.0 5.9 0.00
1925 22.5 12.3 0.00
1924 23.6 14.0 0.05
1923 19.5 9.7 0.00
1922 28.7 12.3 0.00
1921 23.5 14.0 0.01
1920 20.0 13.5 0.25
1919 19.2 4.2 0.00
1918 26.9 12.6 0.00
1917 20.0 15.0 1.45
1916 23.8 7.5 0.00
1915 20.8 11.0 0.00
1914 24.5 10.0 0.00
1913 19.0 4.0 0.00
1912 22.1 13.0 1.19
1911 16.6 6.7 0.00
1910 25.3 14.1 0.52
1909 27.0 8.5 0.00
1908 28.7 13.0 0.00
1907 19.0 3.5 0.22
1906 13.0 5.4 0.56
1905 18.5 10.4 0.00
1904 23.5 9.5 0.00
1903 23.5 6.5 0.00
1902 13.0 6.0 0.15
1901 23.5 7.5 0.00
What's the all-time high for Basel on 5/21?
For the date of May 21, the highest temperature ever reached in Basel history is 30.9 °C which happened in 1953.
Highest Temperatures in Basel on May 21
Rank Temperature Year
1 30.9 °C 1953
2 29.8 °C 1932
3 29.6 °C 1950
3 29.6 °C 2007
5 28.7 °C 1908
5 28.7 °C 1922
7 27.9 °C 1943
8 27.3 °C 2014
8 27.3 °C 2009
10 27.0 °C 1909
What's the all-time low for Basel on 5/21?
For the date of May 21, the lowest temperature ever reached in Basel history is 1.0 °C which happened in 1935.
Lowest Temperatures in Basel on May 21
Rank Temperature Year
1 1.0 °C 1935
2 1.1 °C 1955
3 1.6 °C 1956
4 1.8 °C 1965
5 3.1 °C 1962
6 3.2 °C 1969
7 3.4 °C 1963
8 3.5 °C 1907
9 4.0 °C 1952
9 4.0 °C 1913
Lowest High Temperatures in Basel on May 21
Rank Temperature Year
1 7.7 °C 1987
2 8.5 °C 1938
3 10.3 °C 1939
4 11.4 °C 1968
5 12.3 °C 2013
6 12.7 °C 1984
7 13.0 °C 1993
7 13.0 °C 1902
7 13.0 °C 1906
10 13.5 °C 1983
What's the most it has ever rained in Basel on 5/21?
For the date of May 21, the most precipitation ever recorded in Basel history is 1.94 cm which happened in 2009.
All-Time Most Precipitation in Basel on May 21
Rank Precipitation Year
1 1.94 cm 2009
2 1.79 cm 1939
3 1.60 cm 1932
4 1.51 cm 2013
5 1.45 cm 1917
6 1.33 cm 2004
7 1.29 cm 2021
7 1.29 cm 1927
9 1.27 cm 1944
10 1.19 cm 1912
Weather Station Details
Years Station Coordinates
1901–2024 Basel Binningen location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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