January weather forecast and climate
Olympic National Park, WA

The incredibly scenic Green Moss stream flowing downstream in the Olympic National Park in Washington, USA
The incredibly scenic Green Moss stream flowing downstream in the Olympic National Park in Washington, USA

What is the coldest month in Olympic National Park?

With an average high-temperature of 40.6°F (4.8°C) and an average low-temperature of 31.1°F (-0.5°C), January is the coldest month in Olympic National Park.

What is the temperature in January in Olympic National Park?

In Olympic National Park, Washington, in January, the average high-temperature is 40.6°F (4.8°C), and the average low-temperature is 31.1°F (-0.5°C).
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: 9"

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

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 lowest number of rainy days is July (5 days).

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

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

Average daylight in January - Olympic National Park, WA
  • Average daylight in January: 8.9h

The month with the longest days is June (Average daylight: 16h).
The month with shortest days is December (Average daylight: 8.5h).

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