Marion, OR Climate

Marion, OR has a generally mild climate throughout the year, with warm summers and cool winters. The average temperature in summer is around 73°F, while the average winter temperature is around 40°F. On average, Marion gets about 33 inches of rain each year, with most of it falling between November and March. Winters tend to be wet and cloudy, with occasional snowfall in some areas. Summers are warm and dry, with temperatures often reaching into the 90s during July and August.

Bestplaces Comfort Index

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

9.3 Summer - 5.4 Winter

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

Climate	Marion, Oregon	United States
	46.5 in.	38.1 in.
	3.8 in.	27.8 in.
	159.5 days	106.2 days
	156 days	205 days
	80.3°	85.8°
	34.6°	21.7°
	7.3	7
	2.9	4.3
	302 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 Marion with an average high temperature of 80.8°, which ranks it as cooler than most places in Oregon. In Marion, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Marion are July, September and August.

In Marion, there are 10.4 days annually when the high temperature is over 90°, which is cooler than most places in Oregon.

December has the coldest nighttime temperatures for Marion with an average of 33.9°. This is warmer than most places in Oregon.

In Marion, there are 45.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In Marion, 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 Marion 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 Marion with 7.5 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 46.5 inches in Marion means that it is wetter than most places in Oregon.

November is the rainiest month in Marion with 20.0 days of rain, and July is the driest month with only 3.6 rainy days. There are 159.5 rainy days annually in Marion, which is rainier than most places in Oregon. The rainiest season is Spring when it rains 35% of the time and the driest is Autumn with only a 10% chance of a rainy day.

An annual snowfall of 3.8 inches in Marion means that it is about average compared to other places in Oregon. February is the snowiest month in Marion with 1.8 inches of snow, and 3 months of the year have significant snowfall.