Average Precipitation for Washington in June





The tables below give monthly averages for rainfall plus snowfall during June at cities and other locations in Washington.

Each place has a total for the amount of precipitation it usually receives this month. There is also 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 1991 to 2020 for the US National Centers for Environmental Information.

You can jump to a separate table for each region of the state: Olympic Peninsula & West Coast, San Juan Islands & Puget Sound, Cascade Mountains and Eastern Washington.

Olympic Peninsula & West Coast

Average monthly precipitation in June
Days Place Inches Milli­metres
12 Aberdeen 2.4 61
13 Clearwater 3.5 89
16 Forks 3.7 94
8 Friday Harbor, San Juan Island 0.8 19
14 Grayland 2.3 58
14 Long Beach 2.6 66
10 Port Angeles 1.1 27

San Juan Islands, Puget Sound & South

June averages for total precipitation
Days Place Inches Milli­metres
9 Anacortes 1.5 38
10 Bellingham 1.6 41
11 Bremerton 1.6 41
9 Centralia 1.5 39
12 Everett 1.9 48
11 Longview 2.0 52
9 Oak Harbor, Whidbey Island 1.1 28
7 Olga, Orcas Island 1.3 32
9 Olympia 1.5 37
9 Port Townsend 1.4 35
9 Seattle 1.5 37
9 Shelton 1.5 39
8 Tacoma 1.4 36
10 Vancouver 1.8 47

Cascade Mountains

Average amount of rain and snow in June
Days Place Inches Milli­metres
14 Baker Lake Dam 3.3 84
13 Baring 4.0 101
11 Ross Dam 1.7 43

Eastern Washington State

Precipitation totals for June
Days Place Inches Milli­metres
14 Boundary Dam 3.2 81
5 Chelan 0.9 22
7 Coulee Dam 1.2 29
5 Kennewick 0.6 15
6 Leavenworth 1.0 26
5 Moses Lake 0.7 19
8 Pullman 1.2 31
8 Spokane 1.2 30
7 Walla Walla 1.2 31
4 Wenatchee 0.6 15
7 Winthrop 1.1 28
5 Yakima 0.5 13
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Washington Precipitation
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