Juneau Weather in 2018

Historical record of Juneau, Alaska weather for the year 2018 based on NOAA data.
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2018 Juneau Weather Extremes
Highest temperature 85 °F June 20
Lowest temperature 4 °F February 10
Highest daily low 60 °F July 6
Lowest daily high 15 °F January 10
Most daily precipitation 1.8 inches October 14
Most daily snow 6.7 inches March 7
Total annual precipitation 55.8 inches -
Total annual snow 63.8 inches -
January 2018 Juneau Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
40 18 0.51 3.7
41 38 1.29 0.0
40 37 0.55 0.0
37 33 1.30 0.0
37 33 0.28 0.0
39 36 0.48 0.0
39 30 0.00 0.0
30 21 0.00 0.0
24 11 0.00 0.0
15 9 0.00 0.0
17 9 0.00 0.0
27 15 0.31 4.8
44 27 0.45 0.6
52 42 0.03 0.0
53 33 0.03 0.0
45 34 0.19 0.0
41 26 0.00 0.0
33 22 0.00 0.0
35 30 0.06 0.0
34 31 0.00 0.0
32 25 0.00 0.0
34 27 0.10 2.8
32 18 0.00 0.0
32 19 0.08 1.6
25 14 0.00 0.0
31 13 0.00 0.0
30 13 0.00 0.0
31 8 0.02 0.9
25 21 0.02 0.5
28 16 0.00 0.0
25 20 0.00 0.0
February 2018 Juneau Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
21 17 0.00 0.0
20 13 0.00 0.0
23 6 0.00 0.0
30 6 0.00 0.0
27 8 0.00 0.0
28 17 0.07 0.1
31 16 0.05 0.4
30 9 0.00 0.0
28 4 0.00 0.0
28 4 0.00 0.0
29 5 0.00 0.0
33 27 0.52 2.0
38 26 0.20 0.2
32 20 0.00 0.0
33 28 0.17 2.1
30 15 0.00 0.0
32 8 0.00 0.0
30 6 0.00 0.0
33 16 0.00 0.0
33 14 0.01 0.5
36 19 0.00 0.0
35 18 0.32 0.3
38 23 0.25 0.5
31 20 0.33 4.1
32 8 0.02 0.3
39 11 0.20 2.2
36 32 0.14 1.9
34 27 0.07 1.6
March 2018 Juneau Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
32 20 0.00 0.0
30 11 0.00 0.0
36 11 0.00 0.0
36 15 0.00 0.0
32 12 0.00 0.0
31 10 0.00 0.6
32 29 0.25 6.7
36 31 0.04 1.0
39 31 0.16 1.2
39 33 0.27 0.1
42 33 0.53 0.0
38 33 0.01 0.0
44 33 0.00 0.0
43 34 0.05 0.0
47 32 0.00 0.0
44 32 0.04 0.0
43 29 0.00 0.0
41 27 0.03 0.0
38 34 0.27 0.0
39 30 0.22 0.1
40 26 0.05 0.5
39 32 0.00 0.0
42 24 0.00 0.0
39 21 0.00 0.0
34 23 0.00 0.0
33 18 0.29 4.9
38 27 0.26 4.3
41 32 0.06 0.0
49 28 0.00 0.0
41 23 0.00 0.0
40 22 0.00 0.0
April 2018 Juneau Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
42 19 0.00 0.0
37 29 0.00 0.0
38 22 0.00 0.0
41 20 0.00 0.0
46 21 0.00 0.0
48 30 0.00 0.0
57 26 0.00 0.0
57 26 0.08 0.0
50 37 0.05 0.0
54 34 0.07 0.0
58 36 0.00 0.0
53 41 0.00 0.0
55 33 0.00 0.0
50 31 0.05 0.0
53 28 0.00 0.0
47 26 0.00 0.0
50 25 0.00 0.0
42 34 0.38 0.0
45 38 0.38 0.0
48 31 0.09 0.0
46 29 0.03 0.0
42 40 0.31 0.0
43 40 1.02 0.0
44 40 0.09 0.0
45 41 0.06 0.0
47 41 0.44 0.0
51 34 0.00 0.0
51 37 0.00 0.0
52 32 0.00 0.0
43 40 0.10 0.0
May 2018 Juneau Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
45 41 0.55 0.0
50 34 0.14 0.0
49 31 0.03 0.0
48 42 0.29 0.0
49 46 0.37 0.0
58 41 0.00 0.0
67 39 0.00 0.0
67 37 0.00 0.0
69 39 0.04 0.0
62 50 0.01 0.0
54 48 0.24 0.0
58 48 0.23 0.0
53 47 0.31 0.0
49 43 0.09 0.0
55 35 0.01 0.0
60 33 0.00 0.0
66 36 0.00 0.0
74 40 0.00 0.0
66 39 0.00 0.0
54 48 0.26 0.0
55 48 0.70 0.0
53 43 0.81 0.0
57 41 0.06 0.0
54 43 0.03 0.0
50 45 0.25 0.0
49 44 0.50 0.0
53 43 0.22 0.0
48 43 0.03 0.0
55 44 0.10 0.0
61 41 0.00 0.0
64 37 0.00 0.0
June 2018 Juneau Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
64 39 0.00 0.0
58 41 0.07 0.0
62 36 0.00 0.0
50 46 0.64 0.0
62 44 0.00 0.0
61 45 0.01 0.0
59 42 0.06 0.0
61 43 0.04 0.0
57 42 0.44 0.0
52 44 0.22 0.0
58 47 0.13 0.0
64 47 0.00 0.0
67 48 0.16 0.0
52 48 0.11 0.0
63 48 0.00 0.0
56 49 0.15 0.0
61 53 0.05 0.0
74 54 0.00 0.0
81 50 0.00 0.0
85 55 0.00 0.0
73 57 0.00 0.0
68 54 0.00 0.0
62 49 0.01 0.0
61 51 0.02 0.0
64 49 0.00 0.0
59 49 0.09 0.0
61 49 0.01 0.0
61 50 0.00 0.0
58 51 0.83 0.0
62 50 0.03 0.0
July 2018 Juneau Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
63 49 0.01 0.0
70 50 0.00 0.0
83 48 0.00 0.0
84 50 0.00 0.0
84 49 0.00 0.0
74 60 0.00 0.0
65 57 0.00 0.0
67 56 0.00 0.0
67 55 0.00 0.0
61 54 0.45 0.0
54 51 0.33 0.0
67 50 0.02 0.0
72 47 0.00 0.0
60 51 0.16 0.0
54 50 1.04 0.0
59 50 0.68 0.0
63 50 0.01 0.0
60 48 0.01 0.0
67 50 0.11 0.0
73 48 0.00 0.0
77 50 0.00 0.0
79 51 0.00 0.0
80 50 0.00 0.0
79 51 0.00 0.0
77 51 0.00 0.0
74 56 0.00 0.0
73 58 0.00 0.0
74 54 0.00 0.0
77 51 0.00 0.0
79 53 0.00 0.0
76 55 0.00 0.0
August 2018 Juneau Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
70 53 0.00 0.0
62 55 0.03 0.0
62 57 0.12 0.0
72 53 0.00 0.0
78 48 0.00 0.0
64 58 0.17 0.0
62 57 0.39 0.0
61 56 0.90 0.0
62 53 0.87 0.0
62 53 0.12 0.0
68 49 0.00 0.0
59 53 0.12 0.0
59 55 0.32 0.0
63 52 0.22 0.0
63 50 0.01 0.0
64 50 0.01 0.0
65 49 0.15 0.0
68 46 0.00 0.0
69 43 0.00 0.0
73 45 0.00 0.0
71 46 0.30 0.0
57 54 0.31 0.0
57 53 0.06 0.0
55 53 0.33 0.0
58 50 0.46 0.0
66 46 0.00 0.0
57 54 0.33 0.0
60 52 1.08 0.0
67 50 0.00 0.0
58 52 0.19 0.0
58 52 0.52 0.0
September 2018 Juneau Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
57 49 0.25 0.0
64 46 0.00 0.0
66 40 0.00 0.0
65 39 0.00 0.0
69 40 0.00 0.0
67 44 0.00 0.0
60 41 0.06 0.0
66 43 0.00 0.0
68 47 0.00 0.0
72 41 0.00 0.0
72 39 0.00 0.0
66 39 0.00 0.0
57 38 0.01 0.0
63 35 0.00 0.0
60 33 0.00 0.0
59 29 0.00 0.0
58 29 0.00 0.0
59 30 0.00 0.0
59 30 0.00 0.0
61 30 0.00 0.0
60 30 0.00 0.0
54 30 0.10 0.0
54 48 0.39 0.0
54 49 0.06 0.0
54 51 0.97 0.0
53 45 0.41 0.0
53 44 0.02 0.0
53 39 0.01 0.0
65 35 0.00 0.0
63 31 0.00 0.0
October 2018 Juneau Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
63 34 0.00 0.0
54 28 0.00 0.0
53 26 0.00 0.0
50 36 0.04 0.0
45 42 0.57 0.0
49 45 0.31 0.0
50 42 0.34 0.0
54 31 0.53 0.0
49 30 0.00 0.0
45 31 0.43 0.0
49 44 0.14 0.0
50 42 0.02 0.0
51 46 0.64 0.0
52 49 1.75 0.0
54 47 1.04 0.0
53 46 1.02 0.0
53 46 0.19 0.0
52 45 0.39 0.0
53 46 0.94 0.0
52 47 0.03 0.0
53 45 0.06 0.0
50 44 0.83 0.0
54 45 0.14 0.0
54 46 0.02 0.0
51 44 0.40 0.0
47 38 0.21 0.0
51 32 0.00 0.0
53 30 0.00 0.0
48 39 0.00 0.0
48 39 0.37 0.0
44 30 0.01 0.0
November 2018 Juneau Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
40 29 0.12 0.7
40 31 0.01 0.1
35 31 0.20 2.4
36 33 0.09 0.0
38 23 0.00 0.0
37 21 0.00 0.0
36 20 0.06 0.0
44 36 0.33 0.0
43 38 0.45 0.0
44 41 0.05 0.0
46 42 0.50 0.0
48 39 0.00 0.0
48 41 0.92 0.0
45 41 0.14 0.0
43 35 0.05 0.0
38 28 0.07 0.0
46 37 1.16 0.0
50 45 0.39 0.0
51 45 0.20 0.0
47 42 0.43 0.0
44 36 0.02 0.0
40 32 0.01 0.0
38 26 0.00 0.0
39 26 0.08 0.0
46 38 0.05 0.0
48 41 0.24 0.0
43 39 0.00 0.0
40 36 0.02 0.0
41 35 0.00 0.0
38 31 0.00 0.0
December 2018 Juneau Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
31 20 0.00 0.0
29 19 0.00 0.0
33 18 0.03 0.4
35 32 0.03 0.1
36 33 0.01 0.0
37 33 0.00 0.0
41 30 0.00 0.0
48 39 0.19 0.0
47 37 0.58 0.0
42 37 1.19 0.0
40 33 0.59 0.2
37 32 0.02 0.1
35 32 0.30 0.0
34 17 0.00 n/a
36 15 0.00 0.0
40 34 0.11 0.0
43 35 0.25 0.0
43 30 0.31 0.0
43 33 0.14 0.0
36 30 0.29 3.9
34 27 0.00 0.0
34 22 0.00 0.0
34 26 0.03 0.5
32 29 0.20 3.3
33 28 0.01 0.0
37 30 0.00 0.0
39 32 0.35 1.6
40 29 0.00 0.0
34 24 0.00 0.0
38 28 0.00 0.0
41 37 1.00 0.0
Weather Station Details
Years Station Coordinates
1960–2023 Juneau International Airport location
1890–1959 Downtown Juneau location