Average monthly snow and rainfall in Mercer Island (WA)

The mean monthly precipitation over the year in Mercer Island (Washington State), including rain, snow, hail.

Average monthly rainfall, snow, precipitation in Mercer Island (WA),

A lot of rain (rainy season) falls in the months: January, March, October, November and December.
On average, November is the wettest month with 168 mm of precipitation.
On average, July is the driest month with 15 mm of precipitation.
The average amount of annual precipitation is 1045 mm.

Weather Forecasts for Mercer Island (WA)

Fri Apr 26

17°C | 9°C

11 km/h

6.9 mm

broken clouds and slight rain

hourly forecast

Sat Apr 27

13°C | 10°C

18 km/h

3.8 mm

overcast and rain

hourly forecast

Sun Apr 28

12°C | 7°C

18 km/h

1.9 mm

overcast and rain

hourly forecast

5-Day Forecast 10-Day Forecast

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