White Swan
Washington, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
White Swan, WA

January, the same as December, is a wintry winter month in White Swan, Washington, with average temperature ranging between min 24.8°F (-4°C) and max 36.1°F (2.3°C). In White Swan, the average high-temperature in January is relatively the same as in December - a still cold 36.1°F (2.3°C). Weather in January »

The last month of the winter, February, is also a wintry month in White Swan, Washington, with average temperature fluctuating between 27°F (-2.8°C) and 39.4°F (4.1°C). In February, the average high-temperature is practically the same as in January - a still cold 39.4°F (4.1°C). Weather in February »

March, the first month of the spring, in White Swan, is a chilly month, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 31.6°F (-0.2°C). In March, the average high-temperature marginally rises, from a cold 39.4°F (4.1°C) in February, to a frosty 46°F (7.8°C). Weather in March »

April in White Swan, Washington, is a fresh spring month, with average temperature varying between 36.7°F (2.6°C) and 55.2°F (12.9°C). In April, the average high-temperature increases, from a chilly 46°F (7.8°C) in March, to a cool 55.2°F (12.9°C). Weather in April »

The last month of the spring, May, is an enjoyable month in White Swan, Washington, with average temperature fluctuating between 44.1°F (6.7°C) and 65.8°F (18.8°C). In May, the average high-temperature rises, from a fresh 55.2°F (12.9°C) in April, to a comfortable 65.8°F (18.8°C). Weather in May »

The first month of the summer, June, is a pleasant month in White Swan, Washington, with average temperature ranging between min 49.3°F (9.6°C) and max 73°F (22.8°C). In White Swan, Washington, the average high-temperature slightly increases, from a comfortable 65.8°F (18.8°C) in May, to an agreeable 73°F (22.8°C). Weather in June »

July in White Swan, Washington, is a warm summer month, with average temperature varying between 55.9°F (13.3°C) and 82.9°F (28.3°C). In July, the average high-temperature increases, from an agreeable 73°F (22.8°C) in June, to a warm 82.9°F (28.3°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in White Swan, Washington, with average temperature ranging between max 83.1°F (28.4°C) and min 56.8°F (13.8°C). August is the warmest month, with an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 56.8°F (13.8°C). The average heat index in August is calculated to 82.9°F (28.3°C). Weather in August »

The first month of the autumn, September, is still a pleasant month in White Swan, Washington, with average temperature ranging between min 50°F (10°C) and max 72°F (22.2°C). In September, the average high-temperature decreases, from a moderately hot 83.1°F (28.4°C) in August, to a pleasant 72°F (22.2°C). Weather in September »

October, like September, is another mild autumn month in White Swan, Washington, with average temperature varying between 40.5°F (4.7°C) and 57.4°F (14.1°C). In October, the average high-temperature significantly decreases, from a pleasant 72°F (22.2°C) in September, to a moderate 57.4°F (14.1°C). Weather in October »

The last month of the autumn, November, is another chilly month in White Swan, Washington, with temperature in the range of an average high of 44.1°F (6.7°C) and an average low of 31.1°F (-0.5°C). In November, the average high-temperature drops, from a mild 57.4°F (14.1°C) in October, to a frosty 44.1°F (6.7°C). Weather in November »

December, the first month of the winter, in White Swan, is also a wintry month, with average temperature ranging between min 23.9°F (-4.5°C) and max 35.2°F (1.8°C). With an average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 23.9°F (-4.5°C), December is the coldest month. Weather in December »

What is the most humid month in White Swan?

The most humid month in White Swan is January, with an average relative humidity of 84%.

How many days does it rain in White Swan?

Throughout the year, in White Swan, there are 112.8 rainfall days, and 10.28" (261mm) of precipitation is accumulated.

What is the wettest month in White Swan?

The month with the most rainfall in White Swan, Washington, is January when the rain falls for 11.9 days and typically aggregates up to 1.61" (41mm) of precipitation.

When does it snow in White Swan?

January through April, September, November and December are months with snowfall in White Swan.

How much does it snow in White Swan?

Throughout the year, there are 19.9 snowfall days, and 12.36" (314mm) of snow is accumulated.

What is the month with the least sunshine in White Swan?

January has the least sunshine of the year, with an average of 5.4h of sunshine.

What is the month with the lowest UV index in White Swan?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in White Swan.

When does it snow the most in White Swan?

The month with the most snowfall is February when snow falls for 5 days and typically aggregates up to 3.5" (89mm) of snow.

When it does not snow in White Swan?

In White Swan snow does not fall in May through August and October.

When are the longest days in White Swan?

June has the longest days of the year in White Swan, Washington, with an average of 15.8h of daylight.

What is the driest month in White Swan?

The month with the least rainfall in White Swan, Washington, is July when the rain falls for 3.1 days and typically collects 0.12" (3mm) of precipitation.

What are the months with the most sunshine in White Swan?

July and August, with an average of 12.1h of sunshine, are months with the most sunshine.

What is the month with the highest UV index in White Swan?

The month with the highest UV index in White Swan, Washington, is July, with an average maximum UV index of 6.

What is the warmest month in White Swan?

August is the warmest month, with an average high-temperature of 83.1°F (28.4°C) and an average low-temperature of 56.8°F (13.8°C).

What is the least humid month in White Swan?

The least humid month is August, with an average relative humidity of 43%.

What is the coldest month in White Swan?

With an average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 23.9°F (-4.5°C), December is the coldest month in White Swan.

What is the month with the shortest days in White Swan?

December has the shortest days of the year, with an average of 8.7h of daylight.
Average temperature - White Swan, WA
Average rainfall - White Swan, WA

The wettest month (with the highest rainfall) is January (1.61").
The driest month (with the lowest rainfall) is July (0.12").

Average rainfall days - White Swan, WA

The month with the highest number of rainy days is March (13.7 days).
The month with the lowest number of rainy days is July (3.1 days).

Average snowfall - White Swan, WA
Average snowfall days - White Swan, WA

The month with the highest number of snowfall days is December (5.5 days).
Months with the lowest number of snowfall days are May, June, July, August and October (0 days).

Average daylight / Average sunshine - White Swan, WA

The month with the longest days is June (Average daylight: 15.8h).
The month with shortest days is December (Average daylight: 8.7h).

Months with most sunshine are July and August (Average sunshine: 12.1h).
The month with least sunshine is January (Average sunshine: 5.4h).