Average Precipitation for Alaska in May

The tables below give monthly averages for rainfall plus snowfall during May at communities and other locations around Alaska.

Each place has a total for the amount of precipitation it usually receives this month. There is also a count of the number of days with wet weather, when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The precipitation totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

You can jump to a separate table for each region of the state: Southeast, South - Central, Southwest, Interior and Far North Alaska.

Southeast Alaska

Average monthly precipitation in May
Days	Place	Inches	Millimetres
15	Annette Island	5.6	141
10	Haines	2.5	62
16	Juneau	3.5	89
16	Ketchikan	8.7	220
16	Sitka	3.8	97
9	Skagway	1.1	27
17	Yakutat	7.9	199

South - Central Alaska

May averages for total rainfall plus snowfall
Days	Place	Inches	Millimetres
7	Anchorage	0.7	17
7	Gulkana	0.8	19
10	Homer	0.8	20
14	Seward	3.5	89
11	Talkeetna	1.6	40
15	Valdez	3.0	77

Southwest Alaska

Average amount of rain and snow in May
Days	Place	Inches	Millimetres
12	Bethel	1.2	31
18	Cold Bay	2.6	67
12	King Salmon	1.4	37
17	Kodiak	5.9	149
9	McGrath	0.9	23
4	Port Alsworth	0.4	11
12	St Paul Island	1.0	26

Interior Alaska

Precipitation totals for May
Days	Place	Inches	Millimetres
6	Fairbanks	0.5	14
7	McKinley Park	0.8	21
7	Tanana	0.6	16
5	Tok	0.9	22

Far North Alaska

Total precipitation during May
Days	Place	Inches	Millimetres
6	Barrow	0.3	7
9	Bettles	0.9	23
7	Kotzebue	0.4	11
9	Nome	0.9	23