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

Monthly weather forecast and climate
Cathlamet, WA

January, the same as December, in Cathlamet, Washington, is a frosty winter month, with average temperature varying between 45°F (7.2°C) and 30.9°F (-0.6°C). January and December, with an average high-temperature of 45°F (7.2°C), are the coldest months. Weather in January »
February, the last month of the winter, in Cathlamet, is a cool month, with average temperature varying between 33.1°F (0.6°C) and 50°F (10°C). In February, the average high-temperature is almost the same as in January - a fresh 50°F (10°C). Weather in February »

March, the first month of the spring, in Cathlamet, is still a cool month, with average temperature ranging between max 54°F (12.2°C) and min 35.1°F (1.7°C). In Cathlamet, the average high-temperature is essentially the same as in February - a still cool 54°F (12.2°C). Weather in March »

April in Cathlamet, Washington, is a mild spring month, with average temperature varying between 59°F (15°C) and 37.9°F (3.3°C). In Cathlamet, the average high-temperature is relatively the same as in March - a moderate 59°F (15°C). Weather in April »

May, the last month of the spring, in Cathlamet, is a comfortable month, with average temperature varying between 64°F (17.8°C) and 43°F (6.1°C). In May, the average high-temperature is essentially the same as in April - an enjoyable 64°F (17.8°C). Weather in May »

The first month of the summer, June, is a pleasant month in Cathlamet, Washington, with average temperature fluctuating between 46.9°F (8.3°C) and 68°F (20°C). In Cathlamet, Washington, the average high-temperature in June is relatively the same as in May - a pleasant 68°F (20°C). Weather in June »

July in Cathlamet, Washington, is a warm summer month, with average temperature varying between 51.1°F (10.6°C) and 73.9°F (23.3°C). In Cathlamet, the average high-temperature marginally rises, from an agreeable 68°F (20°C) in June, to a warm 73.9°F (23.3°C). Weather in July »

The last month of the summer, August, is another warm month in Cathlamet, Washington, with average temperature varying between 51.1°F (10.6°C) and 75°F (23.9°C). With an average high-temperature of 75°F (23.9°C) and an average low-temperature of 51.1°F (10.6°C), August is the warmest month. Weather in August »

September, the first month of the autumn, in Cathlamet, is still a pleasant month, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 71.1°F (21.7°C). In September, the average high-temperature is essentially the same as in August - an agreeable 71.1°F (21.7°C). Weather in September »

October, the same as September, is another enjoyable autumn month in Cathlamet, Washington, with average temperature varying between 62.1°F (16.7°C) and 39°F (3.9°C). In Cathlamet, the average high-temperature in October decreases, from a pleasant 71.1°F (21.7°C) in September, to a comfortable 62.1°F (16.7°C). Weather in October »

November, the last month of the autumn, in Cathlamet, is another cool month, with average temperature ranging between max 50°F (10°C) and min 35.1°F (1.7°C). In Cathlamet, the average high-temperature in November drops, from an enjoyable 62.1°F (16.7°C) in October, to a fresh 50°F (10°C). Weather in November »

December, the first month of the winter, in Cathlamet, is still a chilly month, with temperature in the range of an average low of 32°F (0°C) and an average high of 45°F (7.2°C). January and December, with an average high-temperature of 45°F (7.2°C), are the coldest months. Weather in December »

What is the coldest month in Cathlamet?

January and December, with an average high-temperature of 45°F (7.2°C), are the coldest months in Cathlamet.

How much does it rain in Cathlamet?

During the entire year, Cathlamet aggregates up to 55.5" (1409.4mm) of precipitation.

When are the longest days in Cathlamet?

The month with the longest days in Cathlamet, Washington, is June, with an average of 15.7h of daylight.

What is the driest month in Cathlamet?

The month with the least rainfall in Cathlamet is July when 0.8" (21.3mm) of precipitation is typically aggregated.

What is the warmest month in Cathlamet?

The warmest month is August, with an average high-temperature of 75°F (23.9°C) and an average low-temperature of 51.1°F (10.6°C).

What is the rainiest month in Cathlamet?

December is the month with the most rainfall in Cathlamet, with 9" (228.1mm) of accumulated precipitation.

What is the month with the shortest days in Cathlamet?

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

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