Average Precipitation for Alaska in May

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The tables below give monthly averages for rainfall plus snowfall during May at cities, towns and parks in Alaska.

Each place has a total for the amount of precipitation it usually receives this month. Most sites also have information on the number of days with wet weather. That includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The precipitation totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center.

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
16 Annette Island 5.6 141
  – Glacier Bay 4.5 114
  – Haines 1.8   45
19 Juneau 5.0 126
17 Ketchikan 8.2 208
18 Sitka 4.2 107
  – Wrangell 4.8 122
18 Yakutat 8.2 209

South - Central Alaska

May averages for total rainfall plus snowfall
Days Place Inches Millimetres
  7 Anchorage 0.7   18
  6 Gulkana 0.7   17
  9 Homer 0.8   21
14 Seward 3.4   86
12 Talkeetna 1.6   41
15 Valdez 2.9   73

Southwest Alaska

Average amount of rain and snow in May
Days Place Inches Millimetres
12 Bethel 1.1   29
18 Cold Bay 2.6   66
12 King Salmon 1.3   32
16 Kodiak 5.6 143
11 McGrath 1.1   28
  5 Port Alsworth 0.4   10
13 St Paul Island 1.1   29
17 Shemya Island 1.5   39

Interior Alaska

Precipitation totals for May
Days Place Inches Millimetres
  7 Fairbanks 0.6   15
  7 McKinley Park 0.9   22
  7 Tanana 0.6   15
  4 Tok 0.7   17

Far North Alaska

Total precipitation during May
Days Place Inches Millimetres
  5 Barrow 0.2     5
  8 Bettles 0.9   22
  6 Kotzebue 0.4   10
  9 Nome 0.9   22
  2 Prudhoe Bay 0.1     2
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

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