Coulee City
Washington, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Coulee City, WA

January, like December, in Coulee City, Washington, is a wintry winter month, with average temperature ranging between max 34°F (1.1°C) and min 21°F (-6.1°C). In Coulee City, the average high-temperature in January is practically the same as in December - a still wintry 34°F (1.1°C). Weather in January »
February, the last month of the winter, in Coulee City, is another cold month, with average temperature varying between 25°F (-3.9°C) and 41°F (5°C). In February, the average high-temperature slightly increases, from a wintry 34°F (1.1°C) in January, to a still cold 41°F (5°C). Weather in February »

The first month of the spring, March, is a fresh month in Coulee City, Washington, with average temperature ranging between min 30.9°F (-0.6°C) and max 52°F (11.1°C). In Coulee City, the average high-temperature in March increases, from a wintry 41°F (5°C) in February, to a cool 52°F (11.1°C). Weather in March »

April is an enjoyable spring month in Coulee City, Washington, with average temperature ranging between max 62.1°F (16.7°C) and min 35.1°F (1.7°C). In April, the average high-temperature rises, from a cool 52°F (11.1°C) in March, to an enjoyable 62.1°F (16.7°C). Weather in April »

May, the last month of the spring, in Coulee City, is an agreeable month, with temperature in the range of an average low of 42.1°F (5.6°C) and an average high of 71.1°F (21.7°C). In May, the average high-temperature increases, from a comfortable 62.1°F (16.7°C) in April, to an agreeable 71.1°F (21.7°C). Weather in May »

June, the first month of the summer, in Coulee City, is a moderately hot month, with average temperature fluctuating between 48°F (8.9°C) and 79°F (26.1°C). In Coulee City, the average high-temperature marginally rises, from a pleasant 71.1°F (21.7°C) in May, to a warm 79°F (26.1°C). Weather in June »

July in Coulee City, Washington, is a hot summer month, with average temperature fluctuating between 55°F (12.8°C) and 89.1°F (31.7°C). July is the warmest month, with an average high-temperature of 89.1°F (31.7°C) and an average low-temperature of 55°F (12.8°C). Weather in July »

The last month of the summer, August, is another hot month in Coulee City, Washington, with average temperature varying between 87.1°F (30.6°C) and 55°F (12.8°C). In Coulee City, the average high-temperature in August is relatively the same as in July - a still tropical 87.1°F (30.6°C). Weather in August »

The first month of the autumn, September, is also a moderately hot month in Coulee City, Washington, with average temperature fluctuating between 78.1°F (25.6°C) and 48°F (8.9°C). In Coulee City, the average high-temperature in September drops, from a tropical 87.1°F (30.6°C) in August, to a warm 78.1°F (25.6°C). Weather in September »

October, like September, in Coulee City, Washington, is another comfortable autumn month, with average temperature varying between 37°F (2.8°C) and 63°F (17.2°C). In Coulee City, the average high-temperature in October significantly decreases, from a moderately hot 78.1°F (25.6°C) in September, to a comfortable 63°F (17.2°C). Weather in October »

The last month of the autumn, November, is another chilly month in Coulee City, Washington, with temperature in the range of an average low of 27°F (-2.8°C) and an average high of 44.1°F (6.7°C). In November, the average high-temperature declines considerably, from a comfortable 63°F (17.2°C) in October, to a chilly 44.1°F (6.7°C). Weather in November »

December, the first month of the winter, in Coulee City, is also a wintry month, with average temperature varying between 21°F (-6.1°C) and 33.1°F (0.6°C). The coldest month is December, with an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 21°F (-6.1°C). Weather in December »

How much does it rain in Coulee City?

Throughout the year, in Coulee City, 10.4" (265.4mm) of rain is accumulated.

When are the longest days in Coulee City?

June has the longest days of the year, with an average of 15.9h of daylight.

What is the warmest month in Coulee City?

With an average high-temperature of 89.1°F (31.7°C) and an average low-temperature of 55°F (12.8°C), July is the warmest month in Coulee City, Washington.

What is the driest month in Coulee City?

August is the month with the least rainfall, with 0.5" (11.7mm) of accumulated precipitation.

What is the coldest month in Coulee City?

The coldest month is December, with an average high-temperature of 33.1°F (0.6°C) and an average low-temperature of 21°F (-6.1°C).

What is the wettest month in Coulee City?

December is the month with the most rainfall in Coulee City, Washington, with 1.4" (35.8mm) of accumulated precipitation.

What is the month with the shortest days in Coulee City?

With an average of 8.5h of daylight, December has the shortest days of the year.
Average rainfall - Coulee City, WA

Wettest months (with the highest rainfall) are November and December (1.4").
Driest months (with the lowest rainfall) are August and September (0.5").

Average daylight - Coulee City, WA

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