Average Annual Precipitation for Alaska

Share |

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

Each place has a total for the amount of precipitation it usually receives in a year. Most locations 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 annual 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 yearly precipitation
Days Place Inches Millimetres
231 Annette Island 101.6 2581
  – Glacier Bay   78.6 1997
  – Haines   46.5 1182
239 Juneau   92.2 2342
234 Ketchican 141.3 3588
236 Sitka   86.8 2205
  – Wrangell   91.2 2317
240 Yakutat 155.1 3940

South - Central Alaska

Annual averages for rainfall plus snowfall
Days Place Inches Millimetres
115 Anchorage   16.6   421
101 Gulkana   11.3   286
151 Homer   24.3   618
172 Seward   73.3 1862
143 Talkeetna   28.0   710
200 Valdez   69.0 1753

Southwest Alaska

Average amount of rain and snow a year
Days Place Inches Millimetres
146 Bethel   18.5   471
249 Cold Bay   41.7 1058
156 King Salmon   19.5   495
203 Kodiak   78.0 1981
142 McGrath   18.0   457
  99 Port Alsworth   13.2   336
203 St Paul Island   23.7   601
239 Shemya Island   31.9   809

Interior Alaska

Average annual precipitation
Days Place Inches Millimetres
109 Fairbanks   10.8   275
113 McKinley Park   15.1   383
101 Tanana   11.6   294
  57 Tok     9.5   240

Far North Alaska

Annual precipitation totals
Days Place Inches Millimetres
  88 Barrow     4.5   115
125 Bettles   14.9   378
113 Kotzebue   11.0   279
133 Nome   16.8   427
  67 Prudhoe Bay     4.0   103
Reference

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

Share |

Average Weather

Alaska Precipitation

AMERICAN WEATHER

Major USA Cities

States

Extreme USA Weather