Alaska Weather

What is the Weather Like in Alaska?

Alaska Weather by Month

Average monthly temperatures (°F) and rainfall (inches) for select locations in Alaska are shown below.

Anchorage (Southcentral)

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High 23 27 33 45 56 63 66 64 56 42 29 25
Low 11 15 19 30 40 48 53 51 43 31 18 14
Rain 1 1 1 0 1 1 2 3 3 2 1 1

Barrow (Arctic)

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High -5 -6 -4 11 27 41 48 45 37 26 12 0
Low -18 -18 -17 -3 19 31 36 35 30 17 0 -12
Rain 0 0 0 0 0 0 1 1 1 1 0 0

Bethel (Southwest)

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High 13 20 22 37 52 62 64 61 53 38 24 16
Low 1 7 7 21 34 45 49 47 39 26 13 4
Rain 1 1 1 1 1 2 3 3 3 2 2 1

Dutch Harbor (Southwest)

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High 37 39 39 42 47 52 57 59 55 48 43 39
Low 29 29 29 33 37 42 47 48 44 38 33 31
Rain 7 5 5 4 4 3 2 3 6 8 7 8

Denali (Interior)

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High 10 20 25 41 55 65 66 61 51 34 18 14
Low -6 -1 0 17 31 41 45 41 31 16 2 -3
Rain 1 1 1 0 1 2 3 3 2 1 1 1

Fairbanks (Interior)

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High 1 12 25 46 62 72 73 66 55 34 12 4
Low -17 -11 -3 22 39 50 53 48 36 18 -4 -13
Rain 1 1 0 0 1 1 2 2 1 1 1 1

Juneau (Inside Passage)

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High 33 36 39 49 58 62 64 63 56 47 38 35
Low 24 25 27 33 40 47 50 49 44 37 29 26
Rain 6 4 4 3 4 4 5 6 9 8 7 7

Kodiak (Southwest)

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High 36 38 39 45 52 57 62 63 57 48 41 37
Low 26 27 28 34 40 46 51 50 44 36 30 27
Rain 8 6 5 6 6 5 5 5 8 9 7 9

Nome (Arctic)

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High 13 17 18 29 44 55 58 56 49 36 24 16
Low -2 1 2 16 31 42 46 44 37 25 12 2
Rain 1 1 1 1 1 1 2 3 2 2 1 1

Sitka (Inside Passage)

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High 41 41 43 48 53 58 60 62 58 51 44 42
Low 32 32 33 37 43 48 53 53 49 42 36 33
Rain 8 6 6 4 4 3 5 7 12 12 10 8

Source: National Weather Service.

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