Juneau, USA: Annual Weather Averages

July is the hottest month in Juneau with an average temperature of 14°C (57°F) and the coldest is January at -2.5°C (28°F) with the most daily sunshine hours at 7 in August. The wettest month is October with an average of 210mm of rain. .

Average Temperature: Juneau

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -3 -2 2 5 9 12 14 14 10 6 0 -2
°F 28 28 35 41 47 54 57 56 50 43 32 29

Average High/Low Temperature: Juneau

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High °C 0 1 4 9 12 16 18 17 13 8 2 1
High °F 32 34 39 48 54 61 64 63 55 46 36 34
Low °C -5 -5 -1 1 5 8 10 10 7 4 -2 -4
Low °F 23 23 30 34 41 46 50 50 45 39 28 25

Average Rainfall: Juneau

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 130 110 90 80 80 100 120 140 190 210 170 140
Days 15 12 16 18 18 17 20 20 24 25 19 17

Average Daily Sunshine Hours: Juneau

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  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hours 1 1 2 2 3 3 5 7 3 1 1 1

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