Mercer Island weather in October (Washington State, United States of America)
Interested in knowing the climate of Mercer Island in October? Wondering about the weather this month? Our guide has all the details you need.
Temperatures
Typically, October in Mercer Island includes moderate temperatures and high rainfall. In the daytime, temperatures tend to hover near 16°C, cooling down at night to around 8°C.
Precipitation
Mercer Island in October usually receives high rainfall, averaging around 102 mm for the month. Records from the past 30 years suggest that around 15 days will experience rain.Average sunshine
The city usually sees around 143 hours of sunlight, indicating a moderately sunny period.Should you favor a climate that's both dry and comfortably warm June, July, August and September typically offer the most agreeable circumstances. On the other hand, January, February, March, November and December tend to be characterized by conditions that may not be as optimal.
For an in-depth look at the yearly conditions, visit our specialized Mercer Island climate page with graphs.
Mercer Island, monthly averages in October
Min Temperature
8°C
Max Temperature
16°C
Chance of Rain
50%
Precipitation
102 mm
Rainy days
15 days
Humidity
78% *
Windspeed
14 km/h *
Sunshine
143 hours *
Percentage Sunshine
42% *
Where to go in the United States of America in October
Find out more about the weather in the United States of America and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Mercer Island.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
