Corvallis
Oregon, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Corvallis, OR

A large river with two bridges across it in the city of Corvalis, Oregon, home to the famed Oregon State University, a far view of hill ranges
A large river with two bridges across it in the city of Corvalis, Oregon, home to the famed Oregon State University, a far view of hill ranges
January, like December, is another chilly winter month in Corvallis, Oregon, with average temperature fluctuating between 46.9°F (8.3°C) and 33.6°F (0.9°C). In January, the average high-temperature is relatively the same as in December - a still frosty 46.9°F (8.3°C). Weather in January »
February, the last month of the winter, in Corvallis, is a fresh month, with average temperature fluctuating between 35.4°F (1.9°C) and 51.1°F (10.6°C). In Corvallis, the average high-temperature in February is essentially the same as in January - a cool 51.1°F (10.6°C). Weather in February »

March, the first month of the spring, in Corvallis, is a mild month, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 56.1°F (13.4°C). In March, the average high-temperature is almost the same as in February - a moderate 56.1°F (13.4°C). Weather in March »

April, the same as March, in Corvallis, Oregon, is another mild spring month, with average temperature fluctuating between 39.9°F (4.4°C) and 60.6°F (15.9°C). In April, the average high-temperature is practically the same as in March - a still mild 60.6°F (15.9°C). Weather in April »

The last month of the spring, May, is an enjoyable month in Corvallis, Oregon, with average temperature ranging between max 67.1°F (19.5°C) and min 44.1°F (6.7°C). In May, the average high-temperature marginally rises, from a mild 60.6°F (15.9°C) in April, to a comfortable 67.1°F (19.5°C). Weather in May »

June, the first month of the summer, in Corvallis, is a warm month, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 48.6°F (9.2°C). In June, the average high-temperature marginally rises, from a comfortable 67.1°F (19.5°C) in May, to a warm 73.4°F (23°C). Weather in June »

July, like June, in Corvallis, Oregon, is another warm summer month, with average temperature varying between 81.1°F (27.3°C) and 51.8°F (11°C). In Corvallis, Oregon, the average high-temperature marginally rises, from a moderately hot 73.4°F (23°C) in June, to a still warm 81.1°F (27.3°C). Weather in July »

August, the last month of the summer, in Corvallis, is also a moderately hot month, with average temperature varying between 82.4°F (28°C) and 51.4°F (10.8°C). With an average high-temperature of 82.4°F (28°C) and an average low-temperature of 51.4°F (10.8°C), August is the warmest month. Weather in August »

The first month of the autumn, September, is still a warm month in Corvallis, Oregon, with average temperature varying between 48.2°F (9°C) and 77.2°F (25.1°C). In September, the average high-temperature is almost the same as in August - a still moderately hot 77.2°F (25.1°C). Weather in September »

October, like September, in Corvallis, Oregon, is another enjoyable autumn month, with temperature in the range of an average high of 65.5°F (18.6°C) and an average low of 41.7°F (5.4°C). In October, the average high-temperature drops, from a moderately hot 77.2°F (25.1°C) in September, to an enjoyable 65.5°F (18.6°C). Weather in October »

November, the last month of the autumn, in Corvallis, is another cool month, with average temperature fluctuating between 52.9°F (11.6°C) and 37.9°F (3.3°C). In November, the average high-temperature drops, from a comfortable 65.5°F (18.6°C) in October, to a cool 52.9°F (11.6°C). Weather in November »

The first month of the winter, December, is also a frosty month in Corvallis, Oregon, with average temperature varying between 33.8°F (1°C) and 46.4°F (8°C). December is the coldest month, with an average high-temperature of 46.4°F (8°C) and an average low-temperature of 33.8°F (1°C). Weather in December »

How much does it rain in Corvallis?

Throughout the year, in Corvallis, there are 161.2 rainfall days, and 43.7" (1108.9mm) of precipitation is accumulated.

When does it snow in Corvallis?

Months with snowfall in Corvallis are January through March, November and December.

How much does it snow in Corvallis?

In Corvallis, during the entire year, snow falls for 3.1 days, and aggregates up to 5.1" (129.6mm) of snow.

When does it snow the most in Corvallis?

February is the month with the most snowfall in Corvallis, Oregon. Snow falls for 1.1 days and accumulates 2.2" (55.9mm) of snow.

When are the longest days in Corvallis?

June has the longest days of the year, with an average of 15.5h of daylight.

What is the driest month in Corvallis?

The month with the least rainfall in Corvallis, Oregon, is July when the rain falls for 3.6 days and typically collects 0.6" (14.5mm) of precipitation.

What is the warmest month in Corvallis?

The warmest month is August, with an average high-temperature of 82.4°F (28°C) and an average low-temperature of 51.4°F (10.8°C).

What is the coldest month in Corvallis?

With an average high-temperature of 46.4°F (8°C) and an average low-temperature of 33.8°F (1°C), December is the coldest month in Corvallis, Oregon.

What is the wettest month in Corvallis?

December is the month with the most rainfall. Rain falls for 20.8 days and accumulates 7.4" (188.7mm) of precipitation.

What is the month with the shortest days in Corvallis?

December has the shortest days of the year, with an average of 8.9h of daylight.
Average temperature - Corvallis, OR
Average rainfall - Corvallis, OR
Average rainfall days - Corvallis, OR

The month with the highest number of rainy days is December (20.8 days).
The month with the lowest number of rainy days is July (3.6 days).

Average snowfall - Corvallis, OR

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

Average snowfall days - Corvallis, OR

The month with the highest number of snowfall days is February (1.1 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight - Corvallis, OR

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).