Basel April 21 Weather Records

Daily averages and all-time records for weather in Basel, Switzerland for the date of April 21.
April 21 All-Time Records
1901–2024
Highest temperature 29.5 °C 1968
Lowest temperature -3.1 °C 1938
Lowest daily high 4.9 °C 2001
Highest daily low 11.2 °C 2000
Most precipitation 2.76 cm 2008
April 21 Average Weather
1991–2020 1
Average high 16.8 °C
Average low 6.2 °C
Chance precipitation 46.9%
Basel April 21 Weather by Year
Year High (°C) Low (°C) Precip. (cm)
2024 6.0 n/a 0.46
2023 13.1 1.7 0.02
2022 18.7 2.7 0.00
2021 19.0 3.8 0.00
2020 18.6 9.2 0.00
2019 22.1 7.4 0.00
2018 28.3 10.3 0.00
2017 15.5 -1.6 0.00
2016 20.8 4.0 0.00
2015 22.8 4.0 0.00
2014 13.5 9.4 0.11
2013 11.0 6.7 0.02
2012 16.4 5.9 0.35
2011 23.3 8.3 0.00
2010 19.1 6.1 0.00
2009 21.1 9.6 0.64
2008 11.4 8.4 2.76
2007 23.1 4.8 0.00
2006 23.0 7.5 0.00
2005 12.9 4.0 0.00
2004 22.2 8.6 0.00
2003 19.8 10.9 0.18
2002 15.2 4.1 0.00
2001 4.9 1.3 0.22
2000 23.4 11.2 0.00
1999 14.9 8.8 0.27
1998 17.1 9.2 0.06
1997 11.5 -1.5 0.00
1996 26.2 8.2 0.00
1995 15.2 4.7 0.00
1994 15.7 8.0 0.12
1993 24.3 8.1 0.00
1992 19.7 1.6 0.00
1991 8.8 -2.5 0.00
1990 14.9 2.7 0.00
1989 8.5 3.4 0.59
1988 19.0 6.0 0.00
1987 10.3 3.9 0.00
1986 19.6 7.0 1.20
1985 23.3 8.0 0.00
1984 22.1 4.9 0.00
1983 21.2 8.4 0.19
1982 14.9 2.8 0.00
1981 14.5 0.2 0.00
1980 7.2 2.0 0.35
1979 11.5 4.9 0.09
1978 14.8 5.9 0.00
1977 13.6 2.3 0.01
1976 21.0 5.9 0.00
1975 16.5 8.8 0.00
1974 15.3 1.0 0.00
1973 8.9 0.5 0.06
1972 8.4 5.5 0.05
1971 24.8 5.7 0.00
1970 14.4 2.1 0.25
1969 15.5 2.2 0.25
1968 29.5 11.2 0.00
1967 14.3 3.1 0.43
1966 9.8 5.1 0.15
1965 7.7 2.1 0.48
1964 17.8 7.0 0.00
1963 15.7 10.3 0.00
1962 21.5 8.2 0.00
1961 19.2 8.9 0.34
1960 20.9 2.7 0.00
1959 10.8 -2.8 0.00
1958 22.0 5.7 0.00
1957 18.2 4.5 0.00
1956 15.4 -1.6 0.00
1955 16.8 0.3 0.00
1954 8.3 2.5 0.00
1953 21.4 3.7 0.00
1952 19.9 10.2 1.00
1951 16.9 8.4 0.00
1950 11.5 6.2 0.72
1949 26.4 6.2 0.00
1948 25.8 5.8 0.00
1947 18.7 9.0 0.00
1946 21.4 3.2 0.00
1945 21.6 9.0 0.67
1944 14.4 6.1 0.00
1943 18.3 3.8 0.09
1942 18.0 5.5 0.35
1941 16.3 7.5 0.00
1940 24.3 4.3 0.00
1939 20.8 0.6 0.00
1938 7.2 -3.1 0.04
1937 12.7 3.9 0.48
1936 14.0 5.8 0.43
1935 21.1 6.4 0.00
1934 19.5 3.7 0.00
1933 9.9 -0.7 0.15
1932 14.4 -0.6 0.00
1931 7.7 1.4 0.05
1930 18.9 0.9 0.00
1929 7.5 2.8 0.00
1928 10.0 1.9 0.00
1927 21.1 7.5 0.00
1926 13.5 6.0 0.03
1925 11.2 7.0 0.07
1924 16.0 5.0 0.00
1923 11.5 7.5 0.36
1922 8.0 3.2 0.05
1921 10.5 1.5 0.00
1920 11.2 6.3 0.05
1919 10.6 3.1 0.00
1918 5.4 1.6 0.90
1917 9.0 4.7 0.02
1916 17.3 5.5 0.15
1915 16.7 5.7 0.25
1914 19.8 6.0 0.00
1913 16.7 3.5 0.01
1912 15.5 4.6 0.00
1911 18.2 6.6 0.00
1910 16.5 8.3 0.00
1909 18.1 3.8 0.00
1908 7.5 -1.1 0.00
1907 13.6 -1.4 0.00
1906 15.2 6.0 0.00
1905 10.4 4.4 0.95
1904 20.1 8.5 0.00
1903 13.5 0.0 0.20
1902 17.0 11.0 0.00
1901 20.5 4.5 0.00
What's the all-time high for Basel on 4/21?
For the date of Apr 21, the highest temperature ever reached in Basel history is 29.5 °C which happened in 1968.
Highest Temperatures in Basel on April 21
Rank Temperature Year
1 29.5 °C 1968
2 28.3 °C 2018
3 26.4 °C 1949
4 26.2 °C 1996
5 25.8 °C 1948
6 24.8 °C 1971
7 24.3 °C 1940
7 24.3 °C 1993
9 23.4 °C 2000
10 23.3 °C 1985
10 23.3 °C 2011
What's the all-time low for Basel on 4/21?
For the date of Apr 21, the lowest temperature ever reached in Basel history is -3.1 °C which happened in 1938.
Lowest Temperatures in Basel on April 21
Rank Temperature Year
1 -3.1 °C 1938
2 -2.8 °C 1959
3 -2.5 °C 1991
4 -1.6 °C 1956
4 -1.6 °C 2017
6 -1.5 °C 1997
7 -1.4 °C 1907
8 -1.1 °C 1908
9 -0.7 °C 1933
10 -0.6 °C 1932
Lowest High Temperatures in Basel on April 21
Rank Temperature Year
1 4.9 °C 2001
2 5.4 °C 1918
3 6.0 °C 2024
4 7.2 °C 1980
4 7.2 °C 1938
6 7.5 °C 1929
6 7.5 °C 1908
8 7.7 °C 1931
8 7.7 °C 1965
10 8.0 °C 1922
What's the most it has ever rained in Basel on 4/21?
For the date of Apr 21, the most precipitation ever recorded in Basel history is 2.76 cm which happened in 2008.
All-Time Most Precipitation in Basel on April 21
Rank Precipitation Year
1 2.76 cm 2008
2 1.20 cm 1986
3 1.00 cm 1952
4 0.95 cm 1905
5 0.90 cm 1918
6 0.72 cm 1950
7 0.67 cm 1945
8 0.64 cm 2009
9 0.59 cm 1989
10 0.48 cm 1965
10 0.48 cm 1937
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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