Monthly weather forecast and climate
Saint Helens, OR

How much does it rain in Saint Helens?

Throughout the year, in Saint Helens, Oregon, there are 150 rainfall days, and 43.8" (1112.9mm) of precipitation is accumulated.

When does it snow in Saint Helens?

January, February, November and December are months with snowfall in Saint Helens.

How much does it snow in Saint Helens?

In Saint Helens, during the entire year, snow aggregates up to 2.9" (73.7mm).

When does it snow the most in Saint Helens?

January is the month with the most snowfall in Saint Helens, with 1.3" (33mm) of accumulated snow.

What is the driest month in Saint Helens?

The month with the least rainfall in Saint Helens, Oregon, is July when the rain falls for 4 days and typically collects 0.7" (18.3mm) of precipitation.

What is the warmest month in Saint Helens?

The warmest month is August, with an average high-temperature of 82.4°F (28°C) and an average low-temperature of 55.4°F (13°C).

What is the coldest month in Saint Helens?

With an average high-temperature of 45.7°F (7.6°C) and an average low-temperature of 34°F (1.1°C), December is the coldest month.

What is the wettest month in Saint Helens?

The month with the most rainfall in Saint Helens, Oregon, is December when the rain falls for 18 days and typically aggregates up to 6.8" (171.5mm) of precipitation.
Average temperature - Saint Helens, OR
Average rainfall - Saint Helens, OR
Average rainfall days - Saint Helens, OR

Months with the highest number of rainy days are January, November and December (18 days).
The month with the lowest number of rainy days is July (4 days).

Average snowfall - Saint Helens, OR

The month with the highest snowfall is January (1.3").
Months with the lowest snowfall are March, April, May, June, July, August, September and October (0").

Average daylight - Saint Helens, OR

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

deutscheenglishespañolрусский中文