Oregon City, OR Climate

Oregon City, OR has an oceanic climate with mild winters and warm summers. Average temperatures in the summer range from the mid 50s to low 80s, while average winter temperatures range from the mid 30s to mid 40s. Precipitation is fairly common throughout the year, with more rain in the winter than other seasons. Snowfall is rare in Oregon City, however, it can occur on occasion during the colder months. In general, Oregon City experiences very little extreme weather and a moderate climate all year round.

Oregon City, Oregon gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Oregon City averages 2 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 143 sunny days per year in Oregon City. The US average is 205 sunny days.

Oregon City gets some kind of precipitation, on average, 147 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 82 degrees
Winter Low: the January low is 36
Rain: averages 43 inches of rain a year
Snow: averages 2 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Oregon City is 7.5 (10=best), which means it is more comfortable than most places in Oregon.

9.3 Summer - 5.6 Winter

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

Climate	Oregon City, Oregon	United States
	42.9 in.	38.1 in.
	1.6 in.	27.8 in.
	146.6 days	106.2 days
	143 days	205 days
	81.8°	85.8°
	36.1°	21.7°
	7.5	7
	2.8	4.3
	125 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 Oregon City with an average high temperature of 82.4°, which ranks it as about average compared to other places in Oregon. In Oregon City, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Oregon City are September, June and July.

In Oregon City, there are 15.3 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 Oregon City with an average of 34.8°. This is warmer than most places in Oregon.

In Oregon City, there are 33.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In Oregon City, 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 Oregon City 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 Oregon City with 6.9 inches of rain, and the driest month is July with 0.6 inches. The wettest season is Spring with 41% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 42.9 inches in Oregon City means that it is about average compared to other places in Oregon.

November is the rainiest month in Oregon City with 18.7 days of rain, and August is the driest month with only 3.4 rainy days. There are 146.6 rainy days annually in Oregon City, which is about average compared to other places in Oregon. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 11% chance of a rainy day.

An annual snowfall of 1.6 inches in Oregon City means that it is less snowy than most places in Oregon. December is the snowiest month in Oregon City with 0.5 inches of snow, and 3 months of the year have significant snowfall.