Juneau April 21 Weather Records

Daily averages and all-time records for weather in Juneau, Alaska for the date of April 21.

April 21 All-Time Records 1890–2023
Highest temperature	63 °F	1978
Lowest temperature	23 °F	2013
Lowest daily high	40 °F	1965
Highest daily low	44 °F	2005
Most precipitation	0.8 inches	1980
Most snow	0.1 inches	1972

April 21 All-Time Records
1890–2023

Highest temperature

63 °F

23 °F

40 °F

Highest daily low

44 °F

0.8 inches

0.1 inches

April 21 Average Weather 1991–2020 ¹
Average high	50.4 °F
Average low	34.5 °F
Chance precipitation	58.3%
Chance snow	2.2%

April 21 Average Weather
1991–2020 ¹

Average high

50.4 °F

Average low

34.5 °F

Chance precipitation

58.3%

Chance snow

2.2%

Juneau April 21 Weather by Year

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	58	32	0.00	0.0
2022	55	28	0.00	0.0
2021	56	29	0.00	0.0
2020	45	42	0.36	0.0
2019	45	40	0.10	0.0
2018	46	29	0.03	0.0
2017	53	33	0.01	0.0
2016	58	33	0.01	0.0
2015	49	33	0.00	0.0
2014	55	34	0.00	0.0
2013	50	23	0.00	0.0
2012	49	33	0.04	0.0
2011	41	35	0.03	0.0
2010	45	38	0.22	0.0
2009	42	32	0.20	0.0
2008	53	27	0.00	0.0
2007	57	33	0.00	0.0
2006	50	35	0.00	0.0
2005	54	44	0.26	0.0
2004	53	30	0.00	0.0
2003	51	32	0.03	0.0
2002	44	32	0.07	0.0
2001	56	33	0.00	0.0
2000	46	39	0.08	0.0
1999	51	34	0.00	0.0
1998	52	39	0.17	0.0
1997	45	42	0.22	0.0
1996	57	38	0.01	0.0
1995	55	40	0.00	0.0
1994	58	37	0.04	0.0
1993	62	38	0.00	0.0
1992	49	39	0.13	0.0
1991	49	37	0.00	0.0
1990	47	40	0.09	0.0
1989	51	33	0.01	0.0
1988	59	32	0.00	0.0
1987	43	37	0.07	0.0
1986	42	35	0.14	0.0
1985	52	30	0.00	0.0
1984	48	40	0.10	0.0
1983	50	39	0.05	0.0
1982	48	32	0.00	0.0
1981	44	39	0.09	0.0
1980	42	38	0.76	0.0
1979	57	28	0.00	0.0
1978	63	31	0.00	0.0
1977	57	31	0.00	0.0
1976	48	33	0.00	0.0
1975	45	34	0.03	0.0
1974	48	34	0.01	0.0
1973	45	37	0.02	0.0
1972	41	26	0.00	0.1
1971	50	33	0.00	0.0
1970	43	36	0.15	0.0
1969	50	34	0.15	0.0
1968	52	27	0.00	0.0
1967	50	28	0.00	0.0
1966	41	35	0.34	0.0
1965	40	30	0.33	0.0
1964	49	33	0.09	0.0
1963	55	27	0.00	0.0
1962	48	35	0.04	0.0
1961	48	31	0.18	0.0
1960	52	29	0.00	0.0
1959	46	35	0.34	0.0
1958	50	38	0.03	0.0
1957	50	38	0.25	0.0
1956	62	38	0.00	0.0
1955	46	32	0.70	n/a
1954	51	33	0.07	0.0
1953	n/a	36	0.54	0.0
1952	47	35	0.41	0.0
1951	53	33	0.00	n/a
1950	41	34	0.22	n/a
1949	52	38	0.05	n/a
1948	43	27	0.00	n/a
1947	44	36	0.20	0.0
1946	43	36	0.37	0.0
1945	52	38	0.00	n/a
1944	57	41	0.17	n/a
1916	56	33	0.11	n/a
1915	50	33	n/a	n/a
1914	42	35	0.49	n/a
1913	42	34	0.03	n/a
1912	60	37	0.00	0.0
1911	40	36	0.18	n/a
1910	44	32	0.00	0.0
1909	50	37	0.00	n/a
1908	59	36	0.15	n/a
1907	45	34	0.10	n/a
1906	43	40	0.05	0.0
1905	54	42	0.00	0.0
1904	59	40	0.37	n/a
1903	54	40	0.00	0.0
1902	48	38	0.00	0.0
1901	55	39	n/a	n/a
1900	42	35	0.44	0.0
1899	50	38	0.00	0.0
1891	49	33	0.00	0.0
1890	48	28	0.00	n/a

What's the all-time high for Juneau on 4/21?

For the date of Apr 21, the highest temperature ever reached in Juneau history is 63 °F which happened in 1978.

Highest Temperatures in Juneau on April 21

Rank	Temperature	Year
1	63 °F	1978
2	62 °F	1993
2	62 °F	1956
4	60 °F	1912
5	59 °F	1904
5	59 °F	1988
5	59 °F	1908
8	58 °F	1994
8	58 °F	2023
8	58 °F	2016

What's the all-time low for Juneau on 4/21?

For the date of Apr 21, the lowest temperature ever reached in Juneau history is 23 °F which happened in 2013.

Lowest Temperatures in Juneau on April 21

Rank	Temperature	Year
1	23 °F	2013
2	26 °F	1972
3	27 °F	2008
3	27 °F	1963
3	27 °F	1968
3	27 °F	1948
7	28 °F	2022
7	28 °F	1967
7	28 °F	1979
7	28 °F	1890

Lowest High Temperatures in Juneau on April 21

Rank	Temperature	Year
1	40 °F	1965
1	40 °F	1911
3	41 °F	2011
3	41 °F	1972
3	41 °F	1950
3	41 °F	1966
7	42 °F	1986
7	42 °F	1913
7	42 °F	1914
7	42 °F	2009
7	42 °F	1980
7	42 °F	1900

What's the most it has ever rained in Juneau on 4/21?

For the date of Apr 21, the most precipitation ever recorded in Juneau history is 0.76 inches which happened in 1980.

All-Time Most Precipitation in Juneau on April 21

Rank	Precipitation	Year
1	0.76 inches	1980
2	0.70 inches	1955
3	0.54 inches	1953
4	0.49 inches	1914
5	0.44 inches	1900
6	0.41 inches	1952
7	0.37 inches	1946
7	0.37 inches	1904
9	0.36 inches	2020
10	0.34 inches	1966
10	0.34 inches	1959

All-Time Most Snow in Juneau on April 21

Rank	Precipitation	Year
1	0.1 inches	1972

Weather Station Details

Years	Station	Coordinates
1960–2023	Juneau International Airport	location
1890–1959	Downtown Juneau	location