Kelso, WA Climate

Kelso, WA has a mild climate, with warm summers and cool winters. The average summer temperature in Kelso is approximately 72°F, while the average winter temperature is around 42°F. Precipitation is spread evenly throughout the year, with slightly higher amounts during the winter months. Snowfall is relatively rare in Kelso, but it does happen occasionally. Overall, Kelso enjoys a comfortable and mild climate throughout most of the year.

Kelso, Washington gets 60 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Kelso averages 4 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 Kelso. The US average is 205 sunny days.

Kelso gets some kind of precipitation, on average, 180 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 77 degrees
Winter Low: the January low is 34
Rain: averages 60 inches of rain a year
Snow: averages 4 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Kelso is 7.1 (10=best), which means it is about average compared to other places in Washington.

9.1 Summer - 5 Winter

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

Climate	Kelso, Washington	United States
	Unlock	38.1 in.
	3.8 in.	Unlock
	Unlock	106.2 days
	142 days	Unlock
	76.9°	85.8°
	Unlock	21.7°
	7.1	Unlock
	Unlock	4.3
	66 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 Kelso with an average high temperature of 78.1°, which ranks it as about average compared to other places in Washington. In Kelso, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Kelso are August, July and September.

In Kelso, there are 6.4 days annually when the high temperature is over 90°, which is about average compared to other places in Washington.

December has the coldest nighttime temperatures for Kelso with an average of 33.1°. This is about average compared to other places in Washington.

In Kelso, there are 52.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Washington.

In Kelso, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.

Humidity in Kelso 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.

November is the wettest month in Kelso with 9.6 inches of rain, and the driest month is July with 0.9 inches. The wettest season is Spring with 39% of yearly precipitation and 8% occurs in Autumn, which is the driest season. The annual rainfall of 60.4 inches in Kelso means that it is wetter than most places in Washington.

November is the rainiest month in Kelso with 21.6 days of rain, and August is the driest month with only 5.1 rainy days. There are 179.7 rainy days annually in Kelso, which is rainier than most places in Washington. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 12% chance of a rainy day.

An annual snowfall of 3.8 inches in Kelso means that it is less snowy than most places in Washington. February is the snowiest month in Kelso with 1.4 inches of snow, and 3 months of the year have significant snowfall.

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Kelsonian · Kelso, WA

A great place for those who can afford it.

Over 6 years ago

Disclaimer: This was written in 2019. All info subject to change! Kelso is a quieter town, with a lot to offer if you have the money. If you do NOT have money, the More

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Mindy · Kelso, WA

Climate

Over 15 years ago

It rains here so much if you have SAD do not move here. If you have allergies not a good place to More

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Vicki · Kelso, WA

Rains

Over 15 years ago

It is overcast here a lot and not good if you are More

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