Juneau, AK
Period of Record: 1936 - present
58°21'N / 134°35'W
12 ft. above sea level
Division HOME
Climate HOME
NCDC Normals (1971 - 2000)
Element
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANNUAL
Mean Temperature (°F)
25.7
28.9
33.7
40.8
47.9
53.9
56.8
55.7
50.0
42.3
33.3
28.7
41.5
Mean Maximum Temperature (°F)
30.6
34.3
39.5
48.1
55.7
61.6
64.3
63.1
56.1
46.9
37.6
33.0
47.6
Mean Minimum Temperature (°F)
20.7
23.5
27.8
33.4
40.1
46.1
49.2
48.3
43.8
37.7
28.9
24.4
35.3
Mean Precipitation (in)
4.81
4.02
3.51
2.96
3.48
3.36
4.14
5.37
7.54
8.30
5.43
5.41
58.33
Mean
Snowfall (in)
28.9
17.8
11.5
1.1
0
0
0
0
0
1.1
12.8
20.6
93.8
Mean
Snow depth (in)
7
6
3
T
0
0
0
0
0
0
2
4
2
HDD
1219
1010
973
728
529
335
257
288
453
704
953
1125
8574
CDD
0
0
0
0
0
0
0
0
0
0
0
0
0
Temperature Extremes (1949 - 2004)
Element
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANNUAL
Highest Mean (°F)
37.6
40.1
39.6
44.4
52.0
58.0
60.2
59.4
53.8
45.8
40.9
36.7
44.1
Year
1981
1977
1984
1993
1981
2004
1951
2004
1995
1993
1976
1997
1993
Lowest Mean (°F)
6.8
11.0
24.1
33.0
42.4
48.5
52.3
50.3
46.3
37.5
21.8
16.6
37.2
Year
1969
1979
1967
1954
1965
1965
1970
1969
1970
1956
1955
1964
1966
Highest Daily Maximum (°F)
57
57
61
74
79
86
90
84
73
61
56
54
90
Date
6
1958
27
1992
21
1998
26
2003
29
1964
13
1969
7
1975
10
2004
3
1996
1
1954
2
1949
23
1999
7 Jul
1975
Lowest Daily Minimum (°F)
-22
-22
-15
6
25
31
36
31
23
11
-5
-21
-22
Date
12
1972
2
1968
7
1972
5
1963
2
1956
7
1955
8
1950
24
1969
24
1972
30
1984
21
1966
31
1949
* two dates
Precipitation Extremes (1949 - 2004)
Element
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANNUAL
Highest Total (in)
10.13
8.48
6.50
7.48
9.20
6.22
10.36
12.31
15.14
15.25
11.22
13.61
85.15
Year
1985
1964
1994
1999
1992
1996
1997
1961
1991
1974
1956
1997
1991
Lowest Total (in)
0.94
0.07
0.59
0.47
0.84
1.08
1.15
0.56
2.40
3.28
1.15
0.49
37.63
Year
1950
1989
1983
2002
2004
1950
1972
1979
1986
1950
1983
1983
1957
Highest 1-Day Maximum (in)
2.11
2.71
1.74
1.95
2.15
2.26
2.39
2.52
3.35
3.47
3.18
2.67
3.47
Date
15
1966
26
1993
10
1992
11
1991
3
1992
30
1996
22
2001
23
1974
25
1996
20
1998
29
1988
27
1999
20 Oct 1998
Highest Total Snowfall (in)
69.2
86.3
50.6
46.3
1.2
0
0
0
0
15.6
69.8
54.7
212.1
Year
1982
1965
1971
1963
1964
1956
1994
1964
1994
Highest 1-Day Maximum (in)
19.6
23.5
17.7
20.5
0.6
0
0
0
0
8.8
17.1
19.9
23.5
Date
15
1966
13
1949
9
1966
2
1963
12
1964
30
1956
23
1994
8
1962
13 Feb
1949
Threshold Counts (1971 - 2000)
Element
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANNUAL
Maximum Temperature
>= 80°F
0
0
0
0
0
0
1
0
0
0
0
0
2
Maximum Temperature
>= 32°F
17
20
29
30
31
30
31
31
30
31
25
21
325
Minimum Temperature
<= 32°F
24
22
21
12
2
0
0
0
1
7
17
22
127
Minimum Temperature
<= 0°F
3
1
0
0
0
0
0
0
0
0
0
1
6
Precipitation
>=0.01"
19
16
19
18
17
16
17
18
21
24
20
21
226
Precipitation
>=0.10"
12
10
11
9
10
9
10
12
15
18
13
13
143
Precipitation
>=0.50"
3
2
1
1
2
2
3
4
5
6
3
3
34
Precipitation
>=1.00"
1
1
0
0
0
0
1
1
1
1
1
1
8