Dayton, OR Climate

Dayton, OR has a mild climate with relatively warm summers and cool winters. The average high temperature in the summer is around 80°F, while the average low temperature in the winter is often around 30°F. The region experiences an average of 32 inches of rainfall throughout the year, with most of it coming between November and March. Snowfall is rare but does occur at times during the winter months. Overall, Dayton's climate is pleasant for those who enjoy mild weather throughout all four seasons.

Dayton, Oregon gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Dayton averages 3 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 153 sunny days per year in Dayton. The US average is 205 sunny days.

Dayton gets some kind of precipitation, on average, 144 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 35
Rain: averages 41 inches of rain a year
Snow: averages 3 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Dayton is 7.4 (10=best), which means it is more comfortable than most places in Oregon.

9.3 Summer - 5.5 Winter

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

Climate	Dayton, Oregon	United States
	Unlock	38.1 in.
	2.5 in.	Unlock
	Unlock	106.2 days
	153 days	Unlock
	81.8°	85.8°
	Unlock	21.7°
	7.4	Unlock
	Unlock	4.3
	161 ft.	Unlock

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 Dayton with an average high temperature of 82.3°, which ranks it as about average compared to other places in Oregon. In Dayton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dayton are September, July and June.

In Dayton, there are 14.4 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 Dayton with an average of 33.9°. This is warmer than most places in Oregon.

In Dayton, there are 45.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In Dayton, 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 Dayton 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 June.

November is the wettest month in Dayton with 6.8 inches of rain, and the driest month is July with 0.5 inches. The wettest season is Spring with 43% of yearly precipitation and 6% occurs in Autumn, which is the driest season. The annual rainfall of 41.2 inches in Dayton means that it is about average compared to other places in Oregon.

November is the rainiest month in Dayton with 18.8 days of rain, and August is the driest month with only 2.7 rainy days. There are 143.5 rainy days annually in Dayton, 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 2.5 inches in Dayton means that it is less snowy than most places in Oregon. December is the snowiest month in Dayton with 1.0 inches of snow, and 3 months of the year have significant snowfall.

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