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Mercer Island (WA) Precipitation: Average Monthly Rainfall and Snowfall

This graph shows the average amount of rainfall per month in Mercer Island (Washington State). The numbers are calculated over a 30-year period to provide a reliable average.

  • 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.

Current rainfall in Mercer Island (WA)

Tue   Nov 26
8°C | 5°C
NE 7 km/h
0.2 mm
broken clouds and small chance of slight rain

broken clouds and small chance of slight rain

Wed   Nov 27
9°C | 4°C
W 7 km/h
overcast and no rain

overcast and no rain

Thu   Nov 28
10°C | 3°C
NW 7 km/h
broken clouds and no rain

broken clouds and no rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Mercer Island.

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