Alaska weather by month

Check out Alaska weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °F
21°F maximum daytime temperature in January in Anchorage21
27°F maximum daytime temperature in February in Anchorage27
32°F maximum daytime temperature in March in Anchorage32
43°F maximum daytime temperature in April in Anchorage43
54°F maximum daytime temperature in May in Anchorage54
61°F maximum daytime temperature in June in Anchorage61
66°F maximum daytime temperature in July in Anchorage66
63°F maximum daytime temperature in August in Anchorage63
55°F maximum daytime temperature in September in Anchorage55
41°F maximum daytime temperature in October in Anchorage41
27°F maximum daytime temperature in November in Anchorage27
21°F maximum daytime temperature in December in Anchorage21
Hours of sunshine (daily)
Days with some rainfall
8 days with some rainfall in January in Anchorage8
8 days with some rainfall in February in Anchorage8
8 days with some rainfall in March in Anchorage8
7 days with some rainfall in April in Anchorage7
8 days with some rainfall in May in Anchorage8
9 days with some rainfall in June in Anchorage9
12 days with some rainfall in July in Anchorage12
14 days with some rainfall in August in Anchorage14
14 days with some rainfall in September in Anchorage14
12 days with some rainfall in October in Anchorage12
9 days with some rainfall in November in Anchorage9
11 days with some rainfall in December in Anchorage11
Sea temperature °F
37°F sea temperature in January in Anchorage37
36°F sea temperature in February in Anchorage36
36°F sea temperature in March in Anchorage36
36°F sea temperature in April in Anchorage36
41°F sea temperature in May in Anchorage41
50°F sea temperature in June in Anchorage50
54°F sea temperature in July in Anchorage54
57°F sea temperature in August in Anchorage57
54°F sea temperature in September in Anchorage54
46°F sea temperature in October in Anchorage46
41°F sea temperature in November in Anchorage41
37°F sea temperature in December in Anchorage37

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Alaska by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Alaska (Anchorage) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Alaska destinations

Below are average maximum temperatures at popular countries, regions and places in Alaska for next month - February. Select a destination to see the climate guide for all months of the year.

All Alaska destinations

Metric (°C)  |  Imperial (°F)

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Alaska weather averages

Temperature in Alaska (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
21°F maximum daytime temperature in January in Alaska (Anchorage)21
27°F maximum daytime temperature in February in Alaska (Anchorage)27
32°F maximum daytime temperature in March in Alaska (Anchorage)32
43°F maximum daytime temperature in April in Alaska (Anchorage)43
54°F maximum daytime temperature in May in Alaska (Anchorage)54
61°F maximum daytime temperature in June in Alaska (Anchorage)61
66°F maximum daytime temperature in July in Alaska (Anchorage)66
63°F maximum daytime temperature in August in Alaska (Anchorage)63
55°F maximum daytime temperature in September in Alaska (Anchorage)55
41°F maximum daytime temperature in October in Alaska (Anchorage)41
27°F maximum daytime temperature in November in Alaska (Anchorage)27
21°F maximum daytime temperature in December in Alaska (Anchorage)21
Min temperature (night-time)
7°F minimum night-time temperature in January in Alaska (Anchorage)7
10°F minimum night-time temperature in February in Alaska (Anchorage)10
18°F minimum night-time temperature in March in Alaska (Anchorage)18
28°F minimum night-time temperature in April in Alaska (Anchorage)28
39°F minimum night-time temperature in May in Alaska (Anchorage)39
46°F minimum night-time temperature in June in Alaska (Anchorage)46
52°F minimum night-time temperature in July in Alaska (Anchorage)52
48°F minimum night-time temperature in August in Alaska (Anchorage)48
41°F minimum night-time temperature in September in Alaska (Anchorage)41
28°F minimum night-time temperature in October in Alaska (Anchorage)28
14°F minimum night-time temperature in November in Alaska (Anchorage)14
9°F minimum night-time temperature in December in Alaska (Anchorage)9
Heat & Humidity
No heat & humidity in January in Alaska (Anchorage)0
No heat & humidity in February in Alaska (Anchorage)0
No heat & humidity in March in Alaska (Anchorage)0
No heat & humidity in April in Alaska (Anchorage)0
No heat & humidity in May in Alaska (Anchorage)0
No heat & humidity in June in Alaska (Anchorage)0
No heat & humidity in July in Alaska (Anchorage)0
No heat & humidity in August in Alaska (Anchorage)0
No heat & humidity in September in Alaska (Anchorage)0
No heat & humidity in October in Alaska (Anchorage)0
No heat & humidity in November in Alaska (Anchorage)0
No heat & humidity in December in Alaska (Anchorage)0
Sea temperature
37°F sea temperature in January in Alaska (Anchorage)37
36°F sea temperature in February in Alaska (Anchorage)36
36°F sea temperature in March in Alaska (Anchorage)36
36°F sea temperature in April in Alaska (Anchorage)36
41°F sea temperature in May in Alaska (Anchorage)41
50°F sea temperature in June in Alaska (Anchorage)50
54°F sea temperature in July in Alaska (Anchorage)54
57°F sea temperature in August in Alaska (Anchorage)57
54°F sea temperature in September in Alaska (Anchorage)54
46°F sea temperature in October in Alaska (Anchorage)46
41°F sea temperature in November in Alaska (Anchorage)41
37°F sea temperature in December in Alaska (Anchorage)37

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Alaska

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
7 hours of daylight per day in January in Alaska (Anchorage)7
9 hours of daylight per day in February in Alaska (Anchorage)9
12 hours of daylight per day in March in Alaska (Anchorage)12
15 hours of daylight per day in April in Alaska (Anchorage)15
18 hours of daylight per day in May in Alaska (Anchorage)18
19 hours of daylight per day in June in Alaska (Anchorage)19
18 hours of daylight per day in July in Alaska (Anchorage)18
16 hours of daylight per day in August in Alaska (Anchorage)16
13 hours of daylight per day in September in Alaska (Anchorage)13
10 hours of daylight per day in October in Alaska (Anchorage)10
7 hours of daylight per day in November in Alaska (Anchorage)7
6 hours of daylight per day in December in Alaska (Anchorage)6
UV Index (Maximum)
No UV (maximum) index in January in Alaska (Anchorage)0
No UV (maximum) index in February in Alaska (Anchorage)0
UV (maximum) index 1 (Low) in March in Alaska (Anchorage)1
UV (maximum) index 2 (Low) in April in Alaska (Anchorage)2
UV (maximum) index 4 (Moderate) in May in Alaska (Anchorage)4
UV (maximum) index 5 (Moderate) in June in Alaska (Anchorage)5
UV (maximum) index 5 (Moderate) in July in Alaska (Anchorage)5
UV (maximum) index 4 (Moderate) in August in Alaska (Anchorage)4
UV (maximum) index 2 (Low) in September in Alaska (Anchorage)2
UV (maximum) index 1 (Low) in October in Alaska (Anchorage)1
No UV (maximum) index in November in Alaska (Anchorage)0
No UV (maximum) index in December in Alaska (Anchorage)0

Rainfall in Alaska

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
8 days with some rainfall in January in Alaska (Anchorage)8
8 days with some rainfall in February in Alaska (Anchorage)8
8 days with some rainfall in March in Alaska (Anchorage)8
7 days with some rainfall in April in Alaska (Anchorage)7
8 days with some rainfall in May in Alaska (Anchorage)8
9 days with some rainfall in June in Alaska (Anchorage)9
12 days with some rainfall in July in Alaska (Anchorage)12
14 days with some rainfall in August in Alaska (Anchorage)14
14 days with some rainfall in September in Alaska (Anchorage)14
12 days with some rainfall in October in Alaska (Anchorage)12
9 days with some rainfall in November in Alaska (Anchorage)9
11 days with some rainfall in December in Alaska (Anchorage)11
Average monthly rainfall (inches)
1.1 inches monthly rainfall in January in Alaska (Anchorage)1.1
0.9 inches monthly rainfall in February in Alaska (Anchorage)0.9
0.9 inches monthly rainfall in March in Alaska (Anchorage)0.9
0.6 inches monthly rainfall in April in Alaska (Anchorage)0.6
0.8 inches monthly rainfall in May in Alaska (Anchorage)0.8
1.2 inches monthly rainfall in June in Alaska (Anchorage)1.2
2.2 inches monthly rainfall in July in Alaska (Anchorage)2.2
2.5 inches monthly rainfall in August in Alaska (Anchorage)2.5
2.7 inches monthly rainfall in September in Alaska (Anchorage)2.7
1.9 inches monthly rainfall in October in Alaska (Anchorage)1.9
1.3 inches monthly rainfall in November in Alaska (Anchorage)1.3
1.3 inches monthly rainfall in December in Alaska (Anchorage)1.3

Compare Alaska weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Alaska, USA (Anchorage) and the UK (London).

Maximum daytime temperature (°F)

Alaska, USA (Anchorage)
UK (London)
45
45
32
50
43
55
54
63
61
68
66
72
63
72
55
66
41
59
50
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
21
27
27
21

Metric (°C)  |  Imperial (°F)

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