Zip 97758 (Riley, OR) Climate

97758 Riley, OR has a warm and dry climate all year round. Summers are usually hot and dry with temperatures reaching into the 90s, while winters tend to be mild with temperatures rarely dipping below freezing. The area receives very little rain, so it is important to stay hydrated in the summer months. There are also many sunny days throughout the year which provide plenty of opportunities for outdoor activities.

Riley (zip 97758), Oregon gets 11 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Riley (zip 97758) averages 9 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 214 sunny days per year in Riley (zip 97758). The US average is 205 sunny days.

Riley (zip 97758) gets some kind of precipitation, on average, 47 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 85 degrees
Winter Low: the January low is 19
Rain: averages 11 inches of rain a year
Snow: averages 9 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 97758 zip code is 7.2 (10=best), which means it is about average compared to other places in Oregon.

9 Summer - 5.3 Winter

August, July and September are the most pleasant months in the 97758 zip code, while December and January are the least comfortable months.

Climate	Riley, Oregon	United States
	11.3 in.	38.1 in.
	9.3 in.	27.8 in.
	47.2 days	106.2 days
	214 days	205 days
	85.0°	85.8°
	18.6°	21.7°
	7.2	7
	3.8	4.3
	4878 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.

July is the hottest month for the 97758 zip code with an average high temperature of 85.0°, which ranks it as warmer than most places in Oregon. In the 97758 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 97758 zip code are September, June and August.

In the 97758 zip code, there are 16.9 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 97758 zip code with an average of 17.7°. This is one of the coldest places in Oregon.

In the 97758 zip code, there are 183.0 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Oregon.

In the 97758 zip code, there are 2.9 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Oregon.

Humidity is very low in the 97758 zip code, so low that the dry air may be uncomfortable for some people. There are few days during the year when the humidity is even noticable. A very dry climate can lead to cracked, itchy skin and dry eyes.

December is the wettest month in the 97758 zip code with 1.5 inches of rain, and the driest month is July with 0.5 inches. The wettest season is Summer with 32% of yearly precipitation and 16% occurs in Autumn, which is the driest season. The annual rainfall of 11.3 inches in the 97758 zip code means that it is one of the driest places in Oregon.

May is the rainiest month in the 97758 zip code with 5.6 days of rain, and July is the driest month with only 1.8 rainy days. There are 47.2 rainy days annually in the 97758 zip code, which is one of the least rainy places in Oregon. The rainiest season is Summer when it rains 34% of the time and the driest is Autumn with only a 16% chance of a rainy day.

An annual snowfall of 9.3 inches in the 97758 zip code means that it is snowier than most places in Oregon. December is the snowiest month in the 97758 zip code with 3.4 inches of snow, and 5 months of the year have significant snowfall.

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