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

Monthly weather forecast and climate
Hartline, WA

January, the same as December, in Hartline, Washington, is another subzero cold winter month, with temperature in the range of an average low of 19.2°F (-7.1°C) and an average high of 31.8°F (-0.1°C). January is the coldest month, with an average high-temperature of 31.8°F (-0.1°C) and an average low-temperature of 19.2°F (-7.1°C). Weather in January »
February, the last month of the winter, in Hartline, is a wintry month, with average temperature varying between 39°F (3.9°C) and 24.1°F (-4.4°C). In Hartline, the average high-temperature slightly increases, from a subzero cold 31.8°F (-0.1°C) in January, to a wintry 39°F (3.9°C). Weather in February »

March, the first month of the spring, in Hartline, is a fresh month, with average temperature ranging between min 30.6°F (-0.8°C) and max 50.5°F (10.3°C). In March, the average high-temperature rises, from a wintry 39°F (3.9°C) in February, to a cool 50.5°F (10.3°C). Weather in March »

April in Hartline, Washington, is a comfortable spring month, with average temperature fluctuating between 36.1°F (2.3°C) and 61.3°F (16.3°C). In April, the average high-temperature increases, from a cool 50.5°F (10.3°C) in March, to an enjoyable 61.3°F (16.3°C). Weather in April »

The last month of the spring, May, is an agreeable month in Hartline, Washington, with average temperature fluctuating between 70.9°F (21.6°C) and 42.8°F (6°C). In May, the average high-temperature rises, from a comfortable 61.3°F (16.3°C) in April, to a pleasant 70.9°F (21.6°C). Weather in May »

June, the first month of the summer, in Hartline, is a warm month, with temperature in the range of an average low of 49.3°F (9.6°C) and an average high of 78.6°F (25.9°C). In June, the average high-temperature marginally rises, from an agreeable 70.9°F (21.6°C) in May, to a warm 78.6°F (25.9°C). Weather in June »

July in Hartline, Washington, is a hot summer month, with temperature in the range of an average high of 87.6°F (30.9°C) and an average low of 55.4°F (13°C). With an average high-temperature of 87.6°F (30.9°C) and an average low-temperature of 55.4°F (13°C), July is the warmest month. Weather in July »

The last month of the summer, August, is also a hot month in Hartline, Washington, with average temperature ranging between max 86.2°F (30.1°C) and min 54.5°F (12.5°C). In Hartline, the average high-temperature is essentially the same as in July - a still tropical 86.2°F (30.1°C). Weather in August »

The first month of the autumn, September, is also a moderately hot month in Hartline, Washington, with average temperature ranging between max 76.8°F (24.9°C) and min 47.1°F (8.4°C). In September, the average high-temperature drops, from a tropical 86.2°F (30.1°C) in August, to a warm 76.8°F (24.9°C). Weather in September »

October, the same as September, is another comfortable autumn month in Hartline, Washington, with average temperature ranging between min 36.9°F (2.7°C) and max 61.5°F (16.4°C). In Hartline, the average high-temperature declines considerably, from a warm 76.8°F (24.9°C) in September, to an enjoyable 61.5°F (16.4°C). Weather in October »

November, the last month of the autumn, in Hartline, is another chilly month, with average temperature fluctuating between 28°F (-2.2°C) and 43.2°F (6.2°C). In Hartline, the average high-temperature significantly decreases, from a comfortable 61.5°F (16.4°C) in October, to a chilly 43.2°F (6.2°C). Weather in November »

December, the first month of the winter, in Hartline, is also a wintry month, with average temperature fluctuating between 33.8°F (1°C) and 21.9°F (-5.6°C). In Hartline, the average high-temperature decreases, from a chilly 43.2°F (6.2°C) in November, to a wintry 33.8°F (1°C). Weather in December »

What is the coldest month in Hartline?

January is the coldest month in Hartline, with an average high-temperature of 31.8°F (-0.1°C) and an average low-temperature of 19.2°F (-7.1°C).

How many days does it rain in Hartline?

In Hartline, Washington, during the entire year, the rain falls for 57 days and collects up to 10.3" (261.3mm) of precipitation.

When does it snow in Hartline?

January through April, October through December are months with snowfall in Hartline.

How much does it snow in Hartline?

Throughout the year, 22.4" (569mm) of snow is accumulated.

When are the longest days in Hartline?

The month with the longest days is June, with an average of 15.9h of daylight.

What is the warmest month in Hartline?

The warmest month in Hartline, Washington, is July, with an average high-temperature of 87.6°F (30.9°C) and an average low-temperature of 55.4°F (13°C).

What is the driest month in Hartline?

The month with the least rainfall in Hartline is August when the rain falls for 2 days and typically collects 0.4" (10.2mm) of precipitation.

What is the wettest month in Hartline?

The month with the most rainfall in Hartline, Washington, is December when the rain falls for 8 days and typically aggregates up to 1.4" (36.3mm) of precipitation.

When does it snow the most in Hartline?

December is the month with the most snowfall, with 8.4" (213.4mm) of accumulated snow.

What is the month with the shortest days in Hartline?

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

The month with the longest days is June (Average daylight: 15.9h).
The month with shortest days is December (Average daylight: 8.5h).