Humidity Levels in Washington During June





The average humidity in June is listed below for places in Washington. The tables give daily averages along with highest and lowest relative humidity levels.

Relative humidity measures the actual amount of moisture in the air as a percentage of the maximum amount of moisture the air can hold.

All the numbers here are averages for the years 1961 to 1990.

Average Humidity

In this table, the Daily number is the average of humidity readings taken every three hours throughout the day. Morning percentages are for 7 am and Afternoon measures are for 4 pm local standard time.

Average relative humidity (%) in June
Daily Place Morning Afternoon
72 Olympia 83 54
80 Quillayute 89 66
67 Seattle 77 53
54 Spokane 65 36
47 Yakima 54 30

Highest and Lowest Humidity

Below are the averages during June for maximum and minimum humidity levels in Washington. The hours when this month's highest and lowest humidity readings usually occur are given in local standard time.

Daily high and low relative humidity (%) averages in June
High Time Place Low Time
90.7 4 am Olympia 54.2 4 pm
93.3 4 am Quillayute 65.9 4 pm
81.0 4 am Seattle 52.7 4 pm
74.4 4 am Spokane 35.9 4 pm
69.0 4 am Yakima 29.6 4 pm
Reference

World Data Center for Meteorology. Climate of the World.

Washington Humidity
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