Port Townsend
Washington, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Port Townsend, WA

Victorian design houses from an old age along the beach on a hilly spot overlooking the sea, in Port Townsend, Washington, with a dark gray sky looming
Victorian design houses from an old age along the beach on a hilly spot overlooking the sea, in Port Townsend, Washington, with a dark gray sky looming
January, like December, is another chilly winter month in Port Townsend, Washington, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 43.9°F (6.6°C). In January, the average high-temperature is relatively the same as in December - a still frosty 43.9°F (6.6°C). Weather in January »

February, the last month of the winter, in Port Townsend, is another chilly month, with average temperature ranging between min 37.4°F (3°C) and max 44.2°F (6.8°C). In February, the average high-temperature is essentially the same as in January - a still frosty 44.2°F (6.8°C). Weather in February »

The first month of the spring, March, is still a chilly month in Port Townsend, Washington, with average temperature varying between 47.8°F (8.8°C) and 39.6°F (4.2°C). In March, the average high-temperature is almost the same as in February - a still frosty 47.8°F (8.8°C). Weather in March »

April is a cool spring month in Port Townsend, Washington, with average temperature ranging between max 52.3°F (11.3°C) and min 43°F (6.1°C). In April, the average high-temperature is relatively the same as in March - a cool 52.3°F (11.3°C). Weather in April »

The last month of the spring, May, is a mild month in Port Townsend, Washington, with average temperature varying between 58.8°F (14.9°C) and 47.7°F (8.7°C). In May, the average high-temperature marginally rises, from a fresh 52.3°F (11.3°C) in April, to a mild 58.8°F (14.9°C). Weather in May »

June, the first month of the summer, in Port Townsend, is a comfortable month, with average temperature ranging between max 62.8°F (17.1°C) and min 50.9°F (10.5°C). In June, the average high-temperature is relatively the same as in May - an enjoyable 62.8°F (17.1°C). Weather in June »

July, the same as June, is another enjoyable summer month in Port Townsend, Washington, with average temperature fluctuating between 67.5°F (19.7°C) and 54.5°F (12.5°C). In July, the average high-temperature is essentially the same as in June - a still enjoyable 67.5°F (19.7°C). Weather in July »

August, the last month of the summer, in Port Townsend, is also an enjoyable month, with average temperature fluctuating between 55.4°F (13°C) and 67.8°F (19.9°C). August is the warmest month, with an average high-temperature of 67.8°F (19.9°C) and an average low-temperature of 55.4°F (13°C). Weather in August »

The first month of the autumn, September, is also an enjoyable month in Port Townsend, Washington, with average temperature varying between 52.7°F (11.5°C) and 63.1°F (17.3°C). In Port Townsend, the average high-temperature is almost the same as in August - a still enjoyable 63.1°F (17.3°C). Weather in September »

October, like September, in Port Townsend, Washington, is another fresh autumn month, with temperature in the range of an average high of 55.2°F (12.9°C) and an average low of 46.9°F (8.3°C). In October, the average high-temperature slightly decreases, from an enjoyable 63.1°F (17.3°C) in September, to a fresh 55.2°F (12.9°C). Weather in October »

November, the last month of the autumn, in Port Townsend, is also a frosty month, with average temperature fluctuating between 41.9°F (5.5°C) and 48°F (8.9°C). In November, the average high-temperature marginally drops, from a fresh 55.2°F (12.9°C) in October, to a frosty 48°F (8.9°C). Weather in November »

December, the first month of the winter, in Port Townsend, is also a frosty month, with average temperature fluctuating between 37.6°F (3.1°C) and 43°F (6.1°C). December is the coldest month, with an average high-temperature of 43°F (6.1°C) and an average low-temperature of 37.6°F (3.1°C). Weather in December »

What is the most humid month in Port Townsend?

The most humid month is January, with an average relative humidity of 83%.

How much does it rain in Port Townsend?

Throughout the year, in Port Townsend, there are 180.3 rainfall days, and 21.85" (555mm) of precipitation is accumulated.

When does it snow in Port Townsend?

Months with snowfall in Port Townsend, Washington, are January through April, November and December.

How much does it snow in Port Townsend?

Throughout the year, there are 7.8 snowfall days, and 4.84" (123mm) of snow is accumulated.

When is the ocean coldest in Port Townsend?

Months with the coldest seawater are January, February and April, with an average ocean temperature of 45.1°F (7.3°C).

What is the month with the least sunshine in Port Townsend?

The month with the least sunshine is January, with an average of 4.8h of sunshine.

When is the lowest UV index in Port Townsend?

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the snowiest month in Port Townsend?

The month with the most snowfall in Port Townsend is February when snow falls for 2.8 days and typically aggregates up to 2.87" (73mm) of snow.

When it does not snow in Port Townsend?

May through October are months without snowfall in Port Townsend, Washington.

When are the longest days in Port Townsend?

June has the longest days of the year in Port Townsend, Washington, with an average of 16h of daylight.

What is the least humid month in Port Townsend?

With an average relative humidity of 75%, July is the least humid month in Port Townsend, Washington.

What is the driest month in Port Townsend?

The month with the least rainfall is July when the rain falls for 8.3 days and typically collects 0.43" (11mm) of precipitation.

When is the highest UV index in Port Townsend?

The month with the highest UV index in Port Townsend is July, with an average maximum UV index of 5.

What is the warmest month in Port Townsend?

The warmest month in Port Townsend, Washington, is August, with an average high-temperature of 67.8°F (19.9°C) and an average low-temperature of 55.4°F (13°C).

What are the months with the warmest ocean in Port Townsend?

Months with the warmest seawater in Port Townsend, Washington, are August and September, with an average ocean temperature of 53.1°F (11.7°C).

What month has the most sunshine in Port Townsend?

August has the most sunshine of the year in Port Townsend, with an average of 11h of sunshine.

What is the rainiest month in Port Townsend?

The month with the most rainfall is November when the rain falls for 19.1 days and typically aggregates up to 2.91" (74mm) of precipitation.

What is the coldest month in Port Townsend?

The coldest month is December, with an average high-temperature of 43°F (6.1°C) and an average low-temperature of 37.6°F (3.1°C).

What is the month with the shortest days in Port Townsend?

The month with the shortest days in Port Townsend is December, with an average of 8.4h of daylight.
Average temperature - Port Townsend, WA
Average rainfall - Port Townsend, WA

The wettest month (with the highest rainfall) is November (2.91").
The driest month (with the lowest rainfall) is July (0.43").

Average rainfall days - Port Townsend, WA

The month with the highest number of rainy days is March (20.7 days).
The month with the lowest number of rainy days is August (6.6 days).

Average snowfall - Port Townsend, WA

The month with the highest snowfall is February (2.87").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days - Port Townsend, WA

The month with the highest number of snowfall days is February (2.8 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature - Port Townsend, WA

The best month for swimming (with the highest average sea temperature) is August (53°F).
The coldest month (with the lowest average sea temperature) is February (45°F).

Average daylight / Average sunshine - Port Townsend, WA
Average UV index - Port Townsend, WA