Polk County, OR Climate

Polk County, OR has a Mediterranean climate characterized by relatively warm, dry summers and cool, wet winters. Summers in the region typically experience sunshine and heat for several hours each day, with temperatures ranging from the low 80s to mid-90s. Winters tend to be cool and wet with temperature averages between 30-40 degrees Fahrenheit. Rainfall is fairly consistent year-round with slightly more precipitation occurring in winter than summer. The overall climate of Polk County is mild and comfortable, making it an ideal place to live or visit year-round.

Polk County, Oregon gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Polk County averages 5 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 157 sunny days per year in Polk County. The US average is 205 sunny days.

Polk County gets some kind of precipitation, on average, 146 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 35
Rain: averages 50 inches of rain a year
Snow: averages 5 inches of snow a year

Bestplaces Comfort Index

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

9.2 Summer - 5.4 Winter

July, August and September are the most pleasant months in Polk County, while December and January are the least comfortable months.

Climate	Polk, Oregon	United States
	49.8 in.	38.1 in.
	4.8 in.	27.8 in.
	146.4 days	106.2 days
	157 days	205 days
	81.2°	85.8°
	34.6°	21.7°
	7.3	7
	3	4.3
	865 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 Polk County with an average high temperature of 81.9°, which ranks it as about average compared to other places in Oregon. In Polk County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Polk County are September, July and August.

In Polk County, there are 13.8 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 Polk County with an average of 33.8°. This is about average compared to other places in Oregon.

In Polk County, there are 47.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Oregon.

In Polk County, 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 Polk County 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 July, August and June.

December is the wettest month in Polk County with 9.2 inches of rain, and the driest month is July with 0.5 inches. The wettest season is Spring with 47% of yearly precipitation and 5% occurs in Autumn, which is the driest season. The annual rainfall of 49.8 inches in Polk County means that it is wetter than most places in Oregon.

November is the rainiest month in Polk County with 18.9 days of rain, and August is the driest month with only 2.9 rainy days. There are 146.4 rainy days annually in Polk County, which is about average compared to other places in Oregon. The rainiest season is Spring when it rains 36% of the time and the driest is Autumn with only a 9% chance of a rainy day.

An annual snowfall of 4.8 inches in Polk County means that it is snowier than most places in Oregon. February is the snowiest month in Polk County with 2.2 inches of snow, and 3 months of the year have significant snowfall.

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