Zip 97034 (Lake Oswego, OR) Climate

Lake Oswego, OR has a mild climate due to its location near the Columbia River and its proximity to the Pacific Ocean. The summers are usually warm, with temperatures often reaching into the mid-80s Fahrenheit during the day. Winters are generally mild with temperatures rarely dropping below freezing. Rainfall is plentiful throughout the year, and snow is rare in this part of Oregon. All in all, Lake Oswego offers a wonderful climate for its residents to enjoy!

Lake Oswego (zip 97034), Oregon gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Lake Oswego (zip 97034) averages 2 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 142 sunny days per year in Lake Oswego (zip 97034). The US average is 205 sunny days.

Lake Oswego (zip 97034) 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 81 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 the 97034 zip code is 7.6 (10=best), which means it is one of the most pleasant places in Oregon.

9.4 Summer - 5.7 Winter

July, August and September are the most pleasant months in the 97034 zip code, while December and January are the least comfortable months.

Climate	Lake Oswego, Oregon	United States
	Unlock	38.1 in.
	1.5 in.	Unlock
	Unlock	106.2 days
	142 days	Unlock
	81.3°	85.8°
	Unlock	21.7°
	7.6	Unlock
	Unlock	4.3
	291 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 97034 zip code with an average high temperature of 81.8°, which ranks it as cooler than most places in Oregon. In the 97034 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 97034 zip code are September, July and June.

In the 97034 zip code, there are 14.5 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 97034 zip code with an average of 35.2°. This is warmer than most places in Oregon.

In the 97034 zip code, there are 30.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In the 97034 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 97034 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 September.

December is the wettest month in the 97034 zip code with 7.0 inches of rain, and the driest month is July with 0.6 inches. The wettest season is Spring with 42% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 42.5 inches in the 97034 zip code means that it is about average compared to other places in Oregon.

November is the rainiest month in the 97034 zip code with 18.6 days of rain, and August is the driest month with only 3.4 rainy days. There are 147.2 rainy days annually in the 97034 zip code, which is about average compared to other places in Oregon. The rainiest season is Spring when it rains 35% of the time and the driest is Autumn with only a 11% chance of a rainy day.

An annual snowfall of 1.5 inches in the 97034 zip code means that it is less snowy than most places in Oregon. December is the snowiest month in the 97034 zip code with 0.5 inches of snow, and 3 months of the year have significant snowfall.

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