Temperature in Washington State in January

Daytime highs, nighttime lows and the warmest cities in Washington State, the United States of America this January.

Washington State, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in January ranging from -5°C (23°F) in Mount Rainier National Park to 10°C (50°F) in Ocean Park. Nighttime temperatures generally drop to 3°C (37°F) in Ocean Park and -12°C (10°F) in Mount Rainier National Park. January is part of the winter season

What is the temperature of the different cities in Washington State, the United States of America in January?

To get a sense of January's typical temperatures in the key spots of Washington State, explore the map below. Click on a point for an in-depth look.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

For a detailed overview over the year and the best time to visit Washington State, check out our Washington State's climate page.

See also: Washington State weather by month.

Best Places to Visit in Washington State in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Washington State.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in January: blue is cold, red is hot.

See all January weather averages, cities and regions in Washington State

Washington State temperatures in January: frequently asked questions

How hot does it get in Washington State, the United States of America in January?

Expect daytime temperatures around 8°C (46°F) in Seattle. That makes January a low month for Washington State, the United States of America.

How cold does it get at night in Washington State, the United States of America in January?

Nighttime temperatures in Seattle typically drop to around 2°C (36°F) in January.

What is the warmest city in January in Washington State, the United States of America?

According to our recent database analysis, Ocean Park is the warmest city. It experiences an average maximum daytime temperature of approximately 10°C (50°F) and rarely drops below 3°C (37°F) during the night.

What is the coldest city in January in Washington State, the United States of America?

When looking through our records, we find that Mount Rainier National Park stands out as the coolest city in Washington State, the United States of America for the month of January. Daytime highs average -5°C (23°F) and it cools down to about -12°C (10°F) at night.

How much sun does Washington State, the United States of America get in January?

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

Interested in more climate information?

We have much more information about the climate in Washington State.

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