Forest Grove, OR Climate


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Forest Grove, OR is known for its mild and pleasant climate. It experiences warm summers with temperatures in the mid-70s, and cooler winters with temperatures in the low 40s. The area gets an average of 48 inches of rain each year, making it a great place for outdoor activities and events. The city also receives an average of 160 sunny days per year, providing plenty of opportunities to get outside and enjoy nature.

Forest Grove, Oregon gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Forest Grove averages 4 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 Forest Grove. The US average is 205 sunny days.

Forest Grove gets some kind of precipitation, on average, 156 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 81 degrees
Winter Low: the January low is 34
Rain: averages 42 inches of rain a year
Snow: averages 4 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Forest Grove is 7.3 (10=best), which means it is more comfortable than most places in Oregon.

9.3 Summer - 5.3 Winter
July, August and September are the most pleasant months in Forest Grove, while December and January are the least comfortable months.

  ClimateForest Grove, OregonUnited States
  42.3 in.38.1 in.
  3.5 in.27.8 in.
  156.4 days106.2 days
  141 days205 days
  81.1°85.8°
  34.3°21.7°
  7.37
  34.3
  203 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 Forest Grove with an average high temperature of 82.1°, which ranks it as about average compared to other places in Oregon. In Forest Grove, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Forest Grove are September, July and August.
In Forest Grove, there are 15.8 days annually when the high temperature is over 90°, which is about average compared to other places in Oregon.
December has the coldest nighttime temperatures for Forest Grove with an average of 33.6°. This is about average compared to other places in Oregon.
In Forest Grove, there are 49.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Oregon.
In Forest Grove, 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 Forest Grove 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 Forest Grove with 7.6 inches of rain, and the driest month is July with 0.4 inches. The wettest season is Spring with 45% of yearly precipitation and 6% occurs in Autumn, which is the driest season. The annual rainfall of 42.3 inches in Forest Grove means that it is about average compared to other places in Oregon.
November is the rainiest month in Forest Grove with 20.2 days of rain, and August is the driest month with only 3.3 rainy days. There are 156.4 rainy days annually in Forest Grove, which is rainier than most places in Oregon. The rainiest season is Spring when it rains 36% of the time and the driest is Autumn with only a 10% chance of a rainy day.
An annual snowfall of 3.5 inches in Forest Grove means that it is about average compared to other places in Oregon. December is the snowiest month in Forest Grove with 1.5 inches of snow, and 3 months of the year have significant snowfall.
Reviews for Forest Grove
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Over 12 years ago

I have had the ability to live and visit other places in the country. Texas, florida, arizona, california, ohio, new mexico. Out of a life of traveling my paternal  More

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Over 13 years ago

Forest Grove is mostly white supremist meth trash. There are proffesional people mixed in, but they seem like guests. The true nature of this small town is brooding  More

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Over 17 years ago

Forest Grove is a nice little town. It offers a local farmers market, quaint downtown area, and several community events thru out the year. The elementary and High  More

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