Washington Weather in January

Washington in January sees low temperatures, with highs around 5°C (41°F) and overnight lows of -6°C (21°F). It's the driest month of the year, with very little snow/rainfall to worry about.

Rainfall in Washington in January

Dry conditions dominate this month. A good time for outdoor fun and exploration, even if the temperatures are on the cool side. Expect around 6 days of snow/rain based on historical data, with 49 mm (1.9 in) average. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.

Temperature in Washington in January

Temperatures in Washington in January top out at 5°C (41°F) and drop to -6°C (21°F) overnight. The winter season is characteristic of January. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights drop below freezing to -6°C (21°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. On average, it is the coldest month of the year. So be prepared and make sure to pack winter clothes.

Sunshine in Washington in January

The city usually sees around 163 hours of sunlight, indicating a moderately sunny period.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Washington. Our weather planner can help you explore destinations with more pleasant weather conditions.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• September
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• November
• December

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

Washington Temperature in January

Min Temperature -6°C (21°F)  

Max Temperature 5°C (41°F)  

Chance of Rain 20%  

Precipitation 49 mm (1.9 in)  

Rainy days 6 days  

Humidity 72% *  

Sunshine 163 hours *  

Percentage Sunshine 53% *  

* Data from: St. Louis, the United States of America (71 KM, 44 Miles).

What to Wear in Washington in January

Cold weather calls for smart layering in January. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Washington in January

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

Swimming

5/10

Cycling

3/10

Walking

3/10

Camping

2/10

Outdoor sports

3/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

More climate data for Washington

Temperature Rainfall Sunshine Humidity

See the full Washington climate overview or explore weather in the United States of America.