Alaska climate guide

Temperature in Alaska (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
-6°C maximum daytime temperature in January in Alaska (Anchorage)-6
-3°C maximum daytime temperature in February in Alaska (Anchorage)-3
0°C maximum daytime temperature in March in Alaska (Anchorage)0
6°C maximum daytime temperature in April in Alaska (Anchorage)6
12°C maximum daytime temperature in May in Alaska (Anchorage)12
16°C maximum daytime temperature in June in Alaska (Anchorage)16
19°C maximum daytime temperature in July in Alaska (Anchorage)19
17°C maximum daytime temperature in August in Alaska (Anchorage)17
13°C maximum daytime temperature in September in Alaska (Anchorage)13
5°C maximum daytime temperature in October in Alaska (Anchorage)5
-3°C maximum daytime temperature in November in Alaska (Anchorage)-3
-6°C maximum daytime temperature in December in Alaska (Anchorage)-6
Min temperature (night-time)
-14°C minimum night-time temperature in January in Alaska (Anchorage)-14
-12°C minimum night-time temperature in February in Alaska (Anchorage)-12
-8°C minimum night-time temperature in March in Alaska (Anchorage)-8
-2°C minimum night-time temperature in April in Alaska (Anchorage)-2
4°C minimum night-time temperature in May in Alaska (Anchorage)4
8°C minimum night-time temperature in June in Alaska (Anchorage)8
11°C minimum night-time temperature in July in Alaska (Anchorage)11
9°C minimum night-time temperature in August in Alaska (Anchorage)9
5°C minimum night-time temperature in September in Alaska (Anchorage)5
-2°C minimum night-time temperature in October in Alaska (Anchorage)-2
-10°C minimum night-time temperature in November in Alaska (Anchorage)-10
-13°C minimum night-time temperature in December in Alaska (Anchorage)-13
Sea temperature
3°C sea temperature in January in Alaska (Anchorage)3
2°C sea temperature in February in Alaska (Anchorage)2
2°C sea temperature in March in Alaska (Anchorage)2
2°C sea temperature in April in Alaska (Anchorage)2
5°C sea temperature in May in Alaska (Anchorage)5
10°C sea temperature in June in Alaska (Anchorage)10
12°C sea temperature in July in Alaska (Anchorage)12
14°C sea temperature in August in Alaska (Anchorage)14
12°C sea temperature in September in Alaska (Anchorage)12
8°C sea temperature in October in Alaska (Anchorage)8
5°C sea temperature in November in Alaska (Anchorage)5
3°C sea temperature in December in Alaska (Anchorage)3

Sunshine & Daylight in Alaska

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
3 hours of sunshine per day (43% of daylight hours) in January in Alaska3
4 hours of sunshine per day (47% of daylight hours) in February in Alaska4
6 hours of sunshine per day (54% of daylight hours) in March in Alaska6
8 hours of sunshine per day (53% of daylight hours) in April in Alaska8
9 hours of sunshine per day (53% of daylight hours) in May in Alaska9
9 hours of sunshine per day (48% of daylight hours) in June in Alaska9
8 hours of sunshine per day (44% of daylight hours) in July in Alaska8
7 hours of sunshine per day (41% of daylight hours) in August in Alaska7
5 hours of sunshine per day (41% of daylight hours) in September in Alaska5
4 hours of sunshine per day (37% of daylight hours) in October in Alaska4
3 hours of sunshine per day (37% of daylight hours) in November in Alaska3
2 hours of sunshine per day (32% of daylight hours) in December in Alaska2
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

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 (mm)
29 mm monthly rainfall in January in Alaska (Anchorage)29
24 mm monthly rainfall in February in Alaska (Anchorage)24
22 mm monthly rainfall in March in Alaska (Anchorage)22
16 mm monthly rainfall in April in Alaska (Anchorage)16
20 mm monthly rainfall in May in Alaska (Anchorage)20
30 mm monthly rainfall in June in Alaska (Anchorage)30
55 mm monthly rainfall in July in Alaska (Anchorage)55
64 mm monthly rainfall in August in Alaska (Anchorage)64
68 mm monthly rainfall in September in Alaska (Anchorage)68
48 mm monthly rainfall in October in Alaska (Anchorage)48
33 mm monthly rainfall in November in Alaska (Anchorage)33
34 mm monthly rainfall in December in Alaska (Anchorage)34

More climate for Alaska

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

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

Going to Alaska? Find the best month to visit Alaska based on the weather.

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

Check climate guides for Alaska showing average temperature, rainfall & sunshine figures for each month of the year. The climate guide shown above is for Anchorage.

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More about Alaska

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

The climate guide for Alaska, represented by 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.

Metric (°C / mm)  |  Imperial (°F / inches)

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