Mercer Island weather in January (Washington State, United States of America)

What kind of weather does January bring to Mercer Island? Discover if this is the best time for your journey with our detailed monthly weather breakdown.

Temperatures

During January, Mercer Island usually has low temperatures and high rainfall. January is a notable month of the winter season. Expect temperatures to climb to 8°C during the day, with nighttime readings dropping to 2°C.

Precipitation

Mercer Island in January usually receives high rainfall, averaging around 140 mm for the month. Looking at the last 30 years, the data shows about 19 days with rain.

Average sunshine

The city usually sees around 70 hours of sunlight, indicating fewer sunny days.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Mercer Island. 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 January

Min Temperature 2°C  

Max Temperature 8°C  

Chance of Rain 63%  

Precipitation 140 mm  

Rainy days 19 days  

Humidity 78% *  

Windspeed 18 km/h *  

Sunshine 70 hours *  

Percentage Sunshine 25% *  

Data from: Seattle, the United States of America (15 KM, 9 Miles).

Where to go in the United States of America in January

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

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.