Longview
Washington, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Longview, WA

January in Longview, Washington, is a frosty winter month, with average temperature varying between 44.2°F (6.8°C) and 33.4°F (0.8°C). In Longview, the average high-temperature is practically the same as in December - a chilly 44.2°F (6.8°C). Weather in January »

February, the last month of the winter, in Longview, is another chilly month, with average temperature ranging between max 45.5°F (7.5°C) and min 33.3°F (0.7°C). In February, the average high-temperature is practically the same as in January - a still frosty 45.5°F (7.5°C). Weather in February »

The first month of the spring, March, is a fresh month in Longview, Washington, with average temperature fluctuating between 50°F (10°C) and 34.7°F (1.5°C). In Longview, the average high-temperature is almost the same as in February - a fresh 50°F (10°C). Weather in March »

April in Longview, Washington, is a mild spring month, with average temperature fluctuating between 36.7°F (2.6°C) and 55.9°F (13.3°C). In April, the average high-temperature marginally rises, from a cool 50°F (10°C) in March, to a mild 55.9°F (13.3°C). Weather in April »

The last month of the spring, May, is an enjoyable month in Longview, Washington, with average temperature varying between 40.8°F (4.9°C) and 64.8°F (18.2°C). In Longview, the average high-temperature marginally rises, from a moderate 55.9°F (13.3°C) in April, to a comfortable 64.8°F (18.2°C). Weather in May »

June, the first month of the summer, in Longview, is a pleasant month, with average temperature varying between 69.4°F (20.8°C) and 44.6°F (7°C). In June, the average high-temperature is essentially the same as in May - a pleasant 69.4°F (20.8°C). Weather in June »

July is a moderately hot summer month in Longview, Washington, with average temperature varying between 48.9°F (9.4°C) and 76.8°F (24.9°C). In Longview, the average high-temperature slightly increases, from an agreeable 69.4°F (20.8°C) in June, to a moderately hot 76.8°F (24.9°C). Weather in July »

August, the last month of the summer, in Longview, is also a moderately hot month, with average temperature varying between 77.9°F (25.5°C) and 49.8°F (9.9°C). August is the warmest month, with an average high-temperature of 77.9°F (25.5°C) and an average low-temperature of 49.8°F (9.9°C). Weather in August »

September, the first month of the autumn, in Longview, is still a pleasant month, with average temperature varying between 70.7°F (21.5°C) and 47.3°F (8.5°C). In Longview, Washington, the average high-temperature marginally drops, from a warm 77.9°F (25.5°C) in August, to an agreeable 70.7°F (21.5°C). Weather in September »

October, like September, is a moderate autumn month in Longview, Washington, with average temperature fluctuating between 59°F (15°C) and 42.3°F (5.7°C). In October, the average high-temperature decreases, from a pleasant 70.7°F (21.5°C) in September, to a moderate 59°F (15°C). Weather in October »

November, the last month of the autumn, in Longview, is another chilly month, with average temperature fluctuating between 37.6°F (3.1°C) and 48.4°F (9.1°C). In November, the average high-temperature drops, from a moderate 59°F (15°C) in October, to a frosty 48.4°F (9.1°C). Weather in November »

December, the first month of the winter, in Longview, is still a cold month, with average temperature varying between 32.7°F (0.4°C) and 42.3°F (5.7°C). With an average high-temperature of 42.3°F (5.7°C) and an average low-temperature of 32.7°F (0.4°C), December is the coldest month. Weather in December »

What is the most humid month in Longview?

Months with the highest humidity in Longview, Washington, are January, February, November and December, with an average relative humidity of 88%.

How much does it rain in Longview?

Throughout the year, in Longview, there are 175.5 rainfall days, and 25.83" (656mm) of precipitation is accumulated.

What is the wettest month in Longview?

The month with the most rainfall is January when the rain falls for 18.7 days and typically aggregates up to 3.9" (99mm) of precipitation.

When does it snow in Longview?

January through March, November and December are months with snowfall in Longview.

How many days does it snow in Longview?

Throughout the year, there are 6.7 snowfall days, and 3.54" (90mm) of snow is accumulated.

When does it snow the most in Longview?

The month with the most snowfall in Longview, Washington, is January when snow falls for 1.7 days and typically aggregates up to 1.26" (32mm) of snow.

What is the month with the least sunshine in Longview?

Months with the least sunshine are January, February and December, with an average of 3.5h of sunshine.

What month is the ocean coldest in Longview?

With an average ocean temperature of 46.6°F (8.1°C), February is the month with the coldest seawater.

When it does not snow in Longview?

April through October are months without snowfall.

When are the longest days in Longview?

With an average of 15.7h of daylight, June has the longest days of the year.

When is the highest UV index in Longview?

Months with the highest UV index in Longview are June and July, with an average maximum UV index of 5.

What is the least humid month in Longview?

With an average relative humidity of 72%, July is the least humid month in Longview, Washington.

What is the warmest month in Longview?

August is the warmest month in Longview, with an average high-temperature of 77.9°F (25.5°C) and an average low-temperature of 49.8°F (9.9°C).

What is the driest month in Longview?

The month with the least rainfall in Longview is August when the rain falls for 6.3 days and typically collects 0.39" (10mm) of precipitation.

What month has the most sunshine in Longview?

The month with the most sunshine in Longview, Washington, is August, with an average of 10.4h of sunshine.

What month is the ocean warmest in Longview?

With an average ocean temperature of 53.8°F (12.1°C), September is the month with the warmest seawater.

When is the lowest UV index in Longview?

November is the month with the lowest UV index in Longview, with an average maximum UV index of 1.

What is the coldest month in Longview?

December is the coldest month, with an average high-temperature of 42.3°F (5.7°C) and an average low-temperature of 32.7°F (0.4°C).

What is the month with the shortest days in Longview?

With an average of 8.7h of daylight, December has the shortest days of the year.
Average temperature - Longview, WA
Average humidity - Longview, WA

Months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is July (72%).

Average rainfall - Longview, WA

The wettest month (with the highest rainfall) is January (3.9").
The driest month (with the lowest rainfall) is August (0.39").

Average rainfall days - Longview, WA

The month with the highest number of rainy days is March (20.3 days).
The month with the lowest number of rainy days is July (6.1 days).

Average snowfall - Longview, WA

The month with the highest snowfall is January (1.26").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

Average snowfall days - Longview, WA

The month with the highest number of snowfall days is February (2.2 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average sea temperature - Longview, WA

The best month for swimming (with the highest average sea temperature) is September (53.8°F).
The coldest month (with the lowest average sea temperature) is February (46.6°F).

Average daylight / Average sunshine - Longview, WA

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).

The month with most sunshine is August (Average sunshine: 10.4h).
Months with least sunshine are January, February and December (Average sunshine: 3.5).