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Weather history for Mercer Island, Washington, United States

May 23

This Day in History

Weather in Mercer Island on May 23

2013

Weather in Mercer Island on 23 in 2013. Partly Cloudy
  • 64° F
  • Wind: S 4 mph
  • Humidity: 48%

2012

Weather in Mercer Island on 23 in 2011. Light rain shower
  • 55° F
  • Wind: SSW 8 mph
  • Humidity: 79%

2011

Weather in Mercer Island on 23 in 2011. Clear/Sunny
  • 64° F
  • Wind: NNE 4 mph
  • Humidity: 60%

2010

Weather in Mercer Island on 23 in 2011. Patchy light drizzle
  • 57° F
  • Wind: SSW 5 mph
  • Humidity: 77%
Weather in Mercer Island today

Mercer Island average weather by month
Month Temperature °F Average Rainfall (mm) Average snow days Average Fog days
Average Absolute Daily Monthly
max min max min
January
47.8
36.0
62.1
15.1
4.6
143.7
3
15
February
50.5
35.4
66.9
6.8
3.1
87.8
2
13
March
54.7
38.3
78.1
20.3
3.1
97.2
2
12
April
60.1
41.9
81.0
32.0
2.5
74.8
1
8
May
66.2
46.8
90.0
35.1
1.5
45.1
0
7
June
71.2
51.3
93.9
42.1
1.3
39.7
0
5
July
77.5
55.2
100.0
48.0
0.6
18.3
0
5
August
77.5
55.2
95.0
48.0
0.9
27.7
0
6
September
72.5
51.6
91.9
33.6
0.9
26.3
0
10
October
61.0
45.3
82.9
30.0
2.8
87.5
0
16
November
52.0
39.4
64.9
17.6
5.5
165.8
1
16
December
46.9
35.4
64.0
12.0
4.3
134.6
3
17

year temperature in average


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