Juneau August 18 Weather Records

Daily averages and all-time records for weather in Juneau, Alaska for the date of August 18.

August 18 All-Time Records 1890–2023
Highest temperature	79 °F	1977
Lowest temperature	34 °F	1973
Lowest daily high	52 °F	1983
Highest daily low	57 °F	2015
Most precipitation	1.2 inches	2013
Most snow	none	-

August 18 All-Time Records
1890–2023

Highest temperature

79 °F

34 °F

52 °F

Highest daily low

57 °F

2015

Most precipitation

1.2 inches

2013

Most snow

none

August 18 Average Weather 1991–2020 ¹
Average high	62.4 °F
Average low	49.2 °F
Chance precipitation	64.7%
Chance snow	0%

August 18 Average Weather
1991–2020 ¹

Average high

62.4 °F

Average low

49.2 °F

Chance precipitation

64.7%

Chance snow

Juneau August 18 Weather by Year

Year	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
2023	64	46	0.00	0.0
2022	69	53	0.00	0.0
2021	56	52	0.46	0.0
2020	60	49	0.28	0.0
2019	62	46	0.00	0.0
2018	68	46	0.00	0.0
2017	54	50	0.63	0.0
2016	59	53	0.35	0.0
2015	65	57	1.05	0.0
2014	58	53	0.20	0.0
2013	56	50	1.18	0.0
2012	66	46	0.00	0.0
2011	57	50	0.03	0.0
2010	57	53	0.45	0.0
2009	62	52	0.00	0.0
2008	60	49	0.00	0.0
2007	61	53	0.07	0.0
2006	56	52	0.29	0.0
2005	60	54	0.56	0.0
2004	67	55	0.13	0.0
2003	62	46	0.01	0.0
2002	54	50	0.08	0.0
2001	59	52	0.52	0.0
2000	66	42	0.06	0.0
1999	63	45	0.01	0.0
1998	60	47	0.03	0.0
1997	69	48	0.02	0.0
1996	65	50	0.00	0.0
1995	65	48	0.00	0.0
1994	65	49	0.00	0.0
1993	67	48	0.03	0.0
1992	63	46	0.00	0.0
1991	59	51	0.42	0.0
1990	72	53	0.00	0.0
1989	64	56	0.04	0.0
1988	60	48	0.47	0.0
1987	63	48	0.00	0.0
1986	57	46	0.01	0.0
1985	66	42	0.00	0.0
1984	61	52	0.04	0.0
1983	52	48	0.62	0.0
1982	59	46	0.00	0.0
1981	64	44	0.00	0.0
1980	54	51	0.20	0.0
1979	71	50	0.05	0.0
1978	68	47	0.00	0.0
1977	79	47	0.00	0.0
1976	56	50	0.30	0.0
1975	61	46	0.00	0.0
1974	71	49	0.00	0.0
1973	67	34	0.00	0.0
1972	71	50	0.00	0.0
1971	60	49	0.01	0.0
1970	54	45	0.94	0.0
1969	58	46	0.06	0.0
1968	70	46	0.00	0.0
1967	61	51	0.15	0.0
1966	62	46	0.00	0.0
1965	67	46	0.00	0.0
1964	58	46	0.28	0.0
1963	63	52	0.00	0.0
1962	64	48	0.00	0.0
1961	72	41	0.00	0.0
1960	52	45	0.31	0.0
1959	73	47	0.00	0.0
1958	58	44	0.20	0.0
1957	68	51	0.00	0.0
1956	67	52	0.25	0.0
1955	62	48	0.02	0.0
1954	72	45	0.00	0.0
1953	64	51	0.09	0.0
1952	55	48	0.24	0.0
1951	61	51	0.14	0.0
1950	71	48	0.00	0.0
1949	52	49	0.33	0.0
1948	62	49	0.07	0.0
1947	58	48	0.00	0.0
1946	53	47	0.44	0.0
1945	55	43	0.00	0.0
1944	72	51	0.00	0.0
1943	57	48	0.05	0.0
1916	52	48	0.07	0.0
1915	61	n/a	0.10	n/a
1914	59	51	0.43	n/a
1913	73	53	n/a	n/a
1912	61	53	0.20	n/a
1911	57	54	0.47	0.0
1909	59	53	0.38	0.0
1908	53	46	0.00	0.0
1907	64	52	0.00	0.0
1906	71	55	0.00	0.0
1905	64	54	0.00	0.0
1904	67	46	0.00	0.0
1903	65	47	0.00	0.0
1902	57	51	0.53	0.0
1901	52	48	1.10	n/a
1900	57	50	0.07	n/a
1899	62	50	0.00	n/a
1895	64	45	0.00	n/a

What's the all-time high for Juneau on 8/18?

For the date of Aug 18, the highest temperature ever reached in Juneau history is 79 °F which happened in 1977.

Highest Temperatures in Juneau on August 18

Rank	Temperature	Year
1	79 °F	1977
2	73 °F	1913
2	73 °F	1959
4	72 °F	1961
4	72 °F	1944
4	72 °F	1990
4	72 °F	1954
8	71 °F	1906
8	71 °F	1974
8	71 °F	1950
8	71 °F	1972
8	71 °F	1979

What's the all-time low for Juneau on 8/18?

For the date of Aug 18, the lowest temperature ever reached in Juneau history is 34 °F which happened in 1973.

Lowest Temperatures in Juneau on August 18

Rank	Temperature	Year
1	34 °F	1973
2	41 °F	1961
3	42 °F	1985
3	42 °F	2000
5	43 °F	1945
6	44 °F	1981
6	44 °F	1958
8	45 °F	1895
8	45 °F	1970
8	45 °F	1954
8	45 °F	1960
8	45 °F	1999

Lowest High Temperatures in Juneau on August 18

Rank	Temperature	Year
1	52 °F	1949
1	52 °F	1983
1	52 °F	1916
1	52 °F	1901
1	52 °F	1960
6	53 °F	1908
6	53 °F	1946
8	54 °F	2002
8	54 °F	2017
8	54 °F	1970
8	54 °F	1980

What's the most it has ever rained in Juneau on 8/18?

For the date of Aug 18, the most precipitation ever recorded in Juneau history is 1.18 inches which happened in 2013.

All-Time Most Precipitation in Juneau on August 18

Rank	Precipitation	Year
1	1.18 inches	2013
2	1.10 inches	1901
3	1.05 inches	2015
4	0.94 inches	1970
5	0.63 inches	2017
6	0.62 inches	1983
7	0.56 inches	2005
8	0.53 inches	1902
9	0.52 inches	2001
10	0.47 inches	1988
10	0.47 inches	1911

Weather Station Details

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