St. Helens, Oregon 

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Climate in St. Helens, Oregon

St. Helens, Oregon gets 52 inches of rain, on average, per year. The US average is 38 inches of rain per year.

St. Helens averages 2 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 141 sunny days per year in St. Helens. The US average is 205 sunny days.

St. Helens gets some kind of precipitation, on average, 173 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.


Weather Highlights

Summer High: the July high is around 79 degrees
Winter Low: the January low is 33
Rain: averages 52 inches of rain a year
Snow: averages 2 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for St. Helens is 7.1 (10=best), which means it is less comfortable than most places in Oregon.

9.2 / 5

Summer   /   Winter
July, August and September are the most pleasant months in St. Helens, while December and January are the least comfortable months.

Climate Averages
  St. Helens, OregonUnited States
  52.1 in.38.1 in.
  2.1 in.27.8 in.
  173.4 days106.2 days
  141 days205 days
  78.8°85.8°
  32.9°21.7°
  7.17
  2.94.3
  92 ft.2443 ft.
CLIMATE

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.


August is the hottest month for St. Helens with an average high temperature of 80.1°, which ranks it as cooler than most places in Oregon. In St. Helens, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. Helens are July, August and September.


In St. Helens, there are 9.4 days annually when the high temperature is over 90°, which is cooler than most places in Oregon.


December has the coldest nighttime temperatures for St. Helens with an average of 32.2°. This is about average compared to other places in Oregon.


In St. Helens, there are 58.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Oregon.


In St. Helens, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Oregon.


Humidity in St. Helens is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and September.


December is the wettest month in St. Helens with 8.1 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 41% of yearly precipitation and 8% occurs in Autumn, which is the driest season. The annual rainfall of 52.1 inches in St. Helens means that it is wetter than most places in Oregon.


November is the rainiest month in St. Helens with 20.9 days of rain, and August is the driest month with only 4.6 rainy days. There are 173.4 rainy days annually in St. Helens, which is one of the rainiest places in Oregon. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 12% chance of a rainy day.


An annual snowfall of 2.1 inches in St. Helens means that it is less snowy than most places in Oregon. February is the snowiest month in St. Helens with 0.9 inches of snow, and 2 months of the year have significant snowfall.





  • Annual Rainfall (US Avg: 36.5")
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    Reviews for St. Helens    3 Reviews
    Not a good place to live - 9/23/2013
    Poor community with a lo of riff-raff and shady... Read More

    Start Your Review of St. Helens


    LIVING IN GOD'S COUNTRY - 4/23/2010
    I HAVE BEEN HERE FOR 2 YEARS NOW,COMING HERE FROM THE MID-WEST,AND I AM HERE TO STAY FOR THE REST OF MY LIFE AND EVEN INTO THE HEREAFTER. THE BEAUTY OF THE PACIFIC... Read More

    Weather - 3/4/2008
    As a transplant from California, I was suprised at first with the moderate weather as I had been told how wet and dreary the Portland area was in comparison. Yes it... Read More


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