Gaston, OR Climate

Gaston, OR has a temperate climate with mild and wet winters, and warm and dry summers. Winters typically bring temperatures in the upper 30s to low 40s, while summers tend to stay between the mid-70s and mid-80s. Rainfall is consistent throughout the year, with average precipitation ranging from 20 inches in winter months to nearly 16 inches during the summer months. Snow is rare in Gaston, occurring only about once or twice a season. The city enjoys plenty of sunny days throughout the year with an average of around 200 days of sunshine each year.

Gaston, Oregon gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Gaston averages 4 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 144 sunny days per year in Gaston. The US average is 205 sunny days.

Gaston gets some kind of precipitation, on average, 156 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 34
Rain: averages 42 inches of rain a year
Snow: averages 4 inches of snow a year

Bestplaces Comfort Index

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

9.3 Summer - 5.3 Winter

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

Climate	Gaston, Oregon	United States
	42.3 in.	38.1 in.
	3.5 in.	27.8 in.
	156.4 days	106.2 days
	144 days	205 days
	81.1°	85.8°
	34.3°	21.7°
	7.4	7
	3	4.3
	190 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 Gaston with an average high temperature of 82.1°, which ranks it as about average compared to other places in Oregon. In Gaston, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Gaston are September, July and August.

In Gaston, there are 15.8 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 Gaston with an average of 33.6°. This is about average compared to other places in Oregon.

In Gaston, there are 48.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Oregon.

In Gaston, 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 Gaston 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 Gaston with 7.6 inches of rain, and the driest month is July with 0.4 inches. The wettest season is Spring with 45% of yearly precipitation and 6% occurs in Autumn, which is the driest season. The annual rainfall of 42.3 inches in Gaston means that it is about average compared to other places in Oregon.

November is the rainiest month in Gaston with 20.2 days of rain, and August is the driest month with only 3.3 rainy days. There are 156.4 rainy days annually in Gaston, which is rainier than most places in Oregon. The rainiest season is Spring when it rains 36% of the time and the driest is Autumn with only a 10% chance of a rainy day.

An annual snowfall of 3.5 inches in Gaston means that it is about average compared to other places in Oregon. December is the snowiest month in Gaston with 1.5 inches of snow, and 3 months of the year have significant snowfall.