Zip 97303 (Keizer, OR) Climate

Keizer, OR has a mild climate with warm summers and cool winters. The average high in the summer is around 86°F and the average low in the winter is around 37°F, making it an ideal place for those who enjoy all four seasons. Rainfall averages about 35 inches per year with snowfall averaging less than 5 inches annually. The city enjoys a large amount of sunshine throughout the year and experiencing all four seasons makes it a great destination for outdoors activities such as hiking, camping, fishing, canoeing, and more.

Keizer (zip 97303), Oregon gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Keizer (zip 97303) averages 4 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 Keizer (zip 97303). The US average is 205 sunny days.

Keizer (zip 97303) gets some kind of precipitation, on average, 137 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 34
Rain: averages 40 inches of rain a year
Snow: averages 4 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 97303 zip code is 7.4 (10=best), which means it is more comfortable than most places in Oregon.

9.2 Summer - 5.5 Winter

July, August and September are the most pleasant months in the 97303 zip code, while December and January are the least comfortable months.

Climate	Keizer, Oregon	United States
	Unlock	38.1 in.
	3.7 in.	Unlock
	Unlock	106.2 days
	157 days	Unlock
	82.1°	85.8°
	Unlock	21.7°
	7.4	Unlock
	Unlock	4.3
	125 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 the 97303 zip code with an average high temperature of 82.5°, which ranks it as about average compared to other places in Oregon. In the 97303 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 97303 zip code are September, June and July.

In the 97303 zip code, there are 14.7 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 the 97303 zip code with an average of 33.8°. This is about average compared to other places in Oregon.

In the 97303 zip code, 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 the 97303 zip code, 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 the 97303 zip code 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.

December is the wettest month in the 97303 zip code with 6.8 inches of rain, and the driest month is July with 0.5 inches. The wettest season is Spring with 44% of yearly precipitation and 6% occurs in Autumn, which is the driest season. The annual rainfall of 40.3 inches in the 97303 zip code means that it is about average compared to other places in Oregon.

November is the rainiest month in the 97303 zip code with 17.8 days of rain, and July is the driest month with only 2.6 rainy days. There are 136.7 rainy days annually in the 97303 zip code, 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 3.7 inches in the 97303 zip code means that it is about average compared to other places in Oregon. February is the snowiest month in the 97303 zip code with 1.7 inches of snow, and 3 months of the year have significant snowfall.

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