January weather forecast
Olympic National Park, WA

Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
°Celsius°Fahrenheit
Share
Contents
The incredibly scenic Green Moss stream flowing downstream in the Olympic National Park, Washington
The incredibly scenic Green Moss stream flowing downstream in the Olympic National Park, Washington

Weather in January

January in Olympic National Park presents residents and visitors with an inviting winter scene. The onset of the year brings in the chilled atmosphere as the landscape decorates itself with an average of 7.1" (180mm) of snowfall. Compared to the preceding month of December, January exhibits a slightly increased maximum average temperature and begins to welcome the increased daylight hours that continue into the year. With January being the starting point of the new year, it offers a perspective of the coldest phase gradually transcending into warmer days ahead, leading to an anticipation of the approaching spring season.

Temperature

With average high temperatures of 40.6°F (4.8°C) and lows of 31.1°F (-0.5°C), January is the coldest month.

Rainfall

In Olympic National Park, in January, it is raining for 17 days, with typically 9.02" (229mm) of accumulated precipitation. Throughout the year, in Olympic National Park, there are 149 rainfall days, and 56.3" (1430mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall is January, when 7.09" (180mm) of snow is typically aggregated.

Daylight

The average length of the day in January is 8h and 55min.
On the first day of the month, sunrise is at 8:03 am and sunset at 4:31 pm. On the last day of January, sunrise is at 7:42 am and sunset at 5:11 pm PST.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

The month of January sees the average lowest temperatures in Olympic National Park, reaching 40.6°F (4.8°C) at the peak and 31.1°F (-0.5°C) at the low.

Is January cold?

The average high-temperature, in January, in Olympic National Park, is 40.6°F (4.8°C), while the average low-temperature is 31.1°F (-0.5°C).

How much does it rain in January?

In Olympic National Park, in January, during 17 rainfall days, 9.02" (229mm) of precipitation is typically accumulated.

When does it snow the most?

January is the month with the most snowfall, with 7.09" (180mm) of accumulated snow.

How much does it snow in January?

Throughout January, 7.09" (180mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January in Olympic National Park is 8h and 55min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 8:03 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:11 pm PST.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND

Average temperature in January
Olympic National Park, WA

Average temperature in January - Olympic National Park, WA
  • Average high temperature in January: 40.7°F

The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is January (40.7°F).

  • Average low temperature in January: 31.1°F

The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

Average rainfall in January
Olympic National Park, WA

Average rainfall in January - Olympic National Park, WA
  • Average rainfall in January: 9"

The wettest month (with the highest rainfall) is December (9.9").
The driest month (with the least rainfall) is July (0.8").

Average rainfall days in January
Olympic National Park, WA

Average rainfall days in January - Olympic National Park, WA
  • Average rainfall days in January: 17 days

The month with the highest number of rainy days is November (18 days).
The month with the least rainy days is July (5 days).

Average snowfall in January
Olympic National Park, WA

Average snowfall in January - Olympic National Park, WA
  • Average snowfall in January: 7.1"

The month with the highest snowfall is January (7.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average daylight in January
Olympic National Park, WA

Average daylight in January - Olympic National Park, WA
  • Average daylight in January: 8h and 5min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

Olympic National Park, Washington, USA

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location