Leavenworth

Washington State Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Washington State, the United States of America in January.

Planning a journey to Washington State, the United States of America this January and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Washington State in January

Washington State, the United States of America is a region in the United States of America. Washington State, the United States of America offers a broad spectrum of weather patterns. In January, one might encounter temperatures that range from very cold to cold, and precipitation levels ranging from low to heavy. January falls during the winter season.

Temperatures

The average highest temperatures fluctuate between very cold in Mount Rainier National Park at -5°C (23°F) to cold in Ocean Park at 10°C (50°F). Nighttime temperatures generally drop to 3°C (37°F) in Ocean Park and -12°C (10°F) in Mount Rainier National Park .

To explore the conditions in Washington State, the United States of America in more detail, check the map below.

Precipitation

In January, precipitation varies across different areas. From low snow/rainfall in Ephrata with an average of 22 mm (0.9 in) to heavy snow/rainfall in Mount Rainier National Park with 512 mm (20 in).

Average sunshine

Many places experience limited sunshine during this period. Seattle receives around 70 hours of sunlight. If you prefer more sunny conditions, our weather planner can help you explore other destinations.

Explore Washington State by month

Pick a month to see the average temperature, rainfall and sunshine in Washington State — and find the best time to visit. (based on Seattle)

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.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Washington State

What is the weather like in January for some of the most popular destinations in Washington State, the United States of America?

Temperature range in Washington State (January)

Precipitation variation in Washington State (January)

Seattle

In January Seattle generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 2°C (36°F) and high monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
8°C (46°F)
8°C (46°F)
10°C (50°F)
Min temperature
2°C (36°F)
2°C (36°F)
3°C (37°F)
Monthly sun hours
54 hours
70 hours
109 hours
Monthly rainfall
143 mm (5.6 in)
141 mm (5.6 in)
85 mm (3.3 in)
Monthly rainy days
20 days
19 days
17 days
Weather conditions

SeaTac

In January SeaTac generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 2°C (36°F) and high monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
8°C (46°F)
8°C (46°F)
10°C (50°F)
Min temperature
2°C (36°F)
2°C (36°F)
3°C (37°F)
Monthly sun hours
54 hours
70 hours
109 hours
Monthly rainfall
142 mm (5.6 in)
141 mm (5.6 in)
85 mm (3.3 in)
Monthly rainy days
20 days
19 days
17 days
Weather conditions

Ocean Shores

In January Ocean Shores generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 4°C (39°F) and heavy monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
8°C (46°F)
9°C (48°F)
10°C (50°F)
Min temperature
4°C (39°F)
4°C (39°F)
4°C (39°F)
Monthly rainfall
287 mm (11 in)
305 mm (12 in)
180 mm (7.1 in)
Monthly rainy days
24 days
23 days
21 days
Weather conditions

Bellevue

In January Bellevue generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 2°C (36°F) and high monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
7°C (45°F)
8°C (46°F)
10°C (50°F)
Min temperature
2°C (36°F)
2°C (36°F)
3°C (37°F)
Monthly sun hours
54 hours
70 hours
109 hours
Monthly rainfall
159 mm (6.3 in)
147 mm (5.8 in)
92 mm (3.6 in)
Monthly rainy days
20 days
20 days
18 days
Weather conditions

Vancouver

In January Vancouver generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 2°C (36°F) and high monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
7°C (45°F)
8°C (46°F)
11°C (52°F)
Min temperature
1°C (34°F)
2°C (36°F)
2°C (36°F)
Monthly sun hours
64 hours
86 hours
116 hours
Monthly rainfall
188 mm (7.4 in)
146 mm (5.7 in)
88 mm (3.5 in)
Monthly rainy days
22 days
19 days
17 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Washington State, in the United States of America.

Popular cities in January

Day & night temperatures, rainfall and average weather in Washington State in January.

City Weather Day temp Night temp Rainfall
Seattle 8°C (46°F) 2°C (36°F) 141 mm (5.6 in)
SeaTac 8°C (46°F) 2°C (36°F) 141 mm (5.6 in)
Ocean Shores 9°C (48°F) 4°C (39°F) 305 mm (12 in)
Bellevue 8°C (46°F) 2°C (36°F) 147 mm (5.8 in)
Vancouver 8°C (46°F) 2°C (36°F) 146 mm (5.7 in)
Leavenworth 2°C (36°F) -5°C (23°F) 94 mm (3.7 in)

Washington State weather in January: frequently asked questions

What is the weather like in Washington State, the United States of America in January?

January in Washington State, the United States of America brings poor weather. In Seattle, daytime temperatures are typically around 8°C (46°F) and nighttime lows hover near 2°C (36°F).

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

Average temperatures in Washington State, the United States of America during January range from a nighttime low near 2°C (36°F) to a daytime high around 8°C (46°F) in Seattle.

Does Washington State, the United States of America get a lot of rain in January?

Seattle typically receives notable rainfall in January, about 141 mm (5.6 in) on average across Washington State, the United States of America.

Is January a Good Time to Visit Washington State, the United States of America?

In our opinion, January may not be the ideal time to visit Washington State, the United States of America due to the typically poor weather in Seattle.

Generally speaking, June, July, August and September provide perfect weather in Seattle. On the other hand, the weather in January, February, March, November and December tend to be poor.

Interested in more climate information?

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

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed 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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.