Olympic National Park
Washington, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Olympic National Park, WA

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
January, like December, in Olympic National Park, Washington, is another cold winter month, with average temperature varying between 40.6°F (4.8°C) and 31.1°F (-0.5°C). The coldest month is January, with an average high-temperature of 40.6°F (4.8°C) and an average low-temperature of 31.1°F (-0.5°C). Weather in January »

February, the last month of the winter, in Olympic National Park, is a chilly month, with average temperature fluctuating between 45°F (7.2°C) and 32.4°F (0.2°C). In Olympic National Park, the average high-temperature in February is almost the same as in January - a chilly 45°F (7.2°C). Weather in February »

March, the first month of the spring, in Olympic National Park, is a cool month, with average temperature varying between 34.2°F (1.2°C) and 50.4°F (10.2°C). In March, the average high-temperature is relatively the same as in February - a cool 50.4°F (10.2°C). Weather in March »

April in Olympic National Park, Washington, is a moderate spring month, with average temperature varying between 37.2°F (2.9°C) and 56.8°F (13.8°C). In April, the average high-temperature slightly increases, from a cool 50.4°F (10.2°C) in March, to a moderate 56.8°F (13.8°C). Weather in April »

The last month of the spring, May, is an enjoyable month in Olympic National Park, Washington, with temperature in the range of an average low of 42.1°F (5.6°C) and an average high of 63.5°F (17.5°C). In Olympic National Park, Washington, the average high-temperature in May slightly increases, from a moderate 56.8°F (13.8°C) in April, to an enjoyable 63.5°F (17.5°C). Weather in May »

The first month of the summer, June, is a pleasant month in Olympic National Park, Washington, with temperature in the range of an average high of 68.2°F (20.1°C) and an average low of 46.6°F (8.1°C). In June, the average high-temperature is relatively the same as in May - a pleasant 68.2°F (20.1°C). Weather in June »

July is a moderately hot summer month in Olympic National Park, Washington, with average temperature fluctuating between 49.8°F (9.9°C) and 73.8°F (23.2°C). In July, the average high-temperature slightly increases, from an agreeable 68.2°F (20.1°C) in June, to a warm 73.8°F (23.2°C). Weather in July »

The last month of the summer, August, is another warm month in Olympic National Park, Washington, with average temperature ranging between min 50.9°F (10.5°C) and max 74.1°F (23.4°C). With an average high-temperature of 74.1°F (23.4°C) and an average low-temperature of 50.9°F (10.5°C), August is the warmest month. Weather in August »

The first month of the autumn, September, is still a pleasant month in Olympic National Park, Washington, with average temperature varying between 47.5°F (8.6°C) and 68.5°F (20.3°C). In September, the average high-temperature marginally drops, from a warm 74.1°F (23.4°C) in August, to an agreeable 68.5°F (20.3°C). Weather in September »

October, like September, is a moderate autumn month in Olympic National Park, Washington, with average temperature ranging between min 41.2°F (5.1°C) and max 56.8°F (13.8°C). In Olympic National Park, Washington, the average high-temperature drops, from an agreeable 68.5°F (20.3°C) in September, to a mild 56.8°F (13.8°C). Weather in October »

November, the last month of the autumn, in Olympic National Park, is another chilly month, with average temperature fluctuating between 35.8°F (2.1°C) and 46.4°F (8°C). In November, the average high-temperature decreases, from a mild 56.8°F (13.8°C) in October, to a frosty 46.4°F (8°C). Weather in November »

December, the first month of the winter, in Olympic National Park, is still a cold month, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 32.7°F (0.4°C). In December, the average high-temperature is practically the same as in November - a wintry 42.1°F (5.6°C). Weather in December »

What is the coldest month in Olympic National Park?

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

How many days does it rain in Olympic National Park?

In Olympic National Park, Washington, during the entire year, the rain falls for 149 days and collects up to 56.31" (1430.2mm) of precipitation.

When does it snow in Olympic National Park?

January through March, November and December are months with snowfall in Olympic National Park.

How much does it snow in Olympic National Park?

In Olympic National Park, Washington, during the entire year, snow aggregates up to 14.5" (368.2mm).

When does it snow the most in Olympic National Park?

The month with the most snowfall in Olympic National Park, Washington, is January when 7.1" (180.3mm) of snow is typically aggregated.

When it does not snow in Olympic National Park?

April through October are months without snowfall in Olympic National Park.

When are the longest days in Olympic National Park?

The month with the longest days is June, with an average of 16h of daylight.

What is the driest month in Olympic National Park?

The month with the least rainfall in Olympic National Park is July when the rain falls for 5 days and typically collects 0.75" (19.1mm) of precipitation.

What is the warmest month in Olympic National Park?

August is the warmest month in Olympic National Park, Washington, with an average high-temperature of 74.1°F (23.4°C) and an average low-temperature of 50.9°F (10.5°C).

What is the rainiest month in Olympic National Park?

The month with the most rainfall in Olympic National Park, Washington, is December when the rain falls for 17 days and typically aggregates up to 9.88" (251mm) of precipitation.

What is the month with the shortest days in Olympic National Park?

The month with the shortest days is December, with an average of 8.5h of daylight.
Average temperature - Olympic National Park, WA
Average rainfall - Olympic National Park, WA
Average rainfall days - Olympic National Park, WA
Average snowfall - Olympic National Park, WA
Average daylight - Olympic National Park, WA