Monthly Average Rainy days in Mercer Island (WA)
The number of days each month with rain, snow and hail in Mercer Island (Washington State), the United States of America.
- Most rainy days are in January, February, March, April, October, November and December.
- On average, March is the most rainy with 21 days of rain/snow.
- On average, July is the driest month with 4 rainy days.
- The average annual number of rainy days is 172.
Current rainfall in Mercer Island (WA)
Sat Dec 28
12°C | 7°C
S 
7 m/s
7 m/s3.8 mm
broken clouds and rain
Sun Dec 29
9°C | 5°C
S 4 m/s
4 m/s6.2 mm
overcast and heavy rain
Mon Dec 30
9°C | 4°C
SW 5 m/s
5 m/s2.5 mm
broken clouds and rain
