2025 Compare Climate & Weather:
Kelso, WA vs Napavine, WA

Highlights

On average, there are 140 sunny days per year in Napavine. Kelso averages 142 sunny days per year. The US average is 205 sunny days.

Napavine, Washington gets 51.8 inches of rain, on average, per year. Kelso, Washington gets 60.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Napavine averages 2.4 inches of snow per year. Kelso averages 3.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Napavine, Washington
Summer High: the July high is around 78.4 degrees
Winter Low: the January low is 34.3
Rain: averages 51.8 inches of rain a year
Snow: averages 2.4 inches of snow a year

Kelso, Washington
Summer High: the July high is around 76.9 degrees
Winter Low: the January low is 33.8
Rain: averages 60.4 inches of rain a year
Snow: averages 3.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Napavine is 7.2 (10=best), which means it is more comfortable than most places in Washington.

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

Today's Weather - Kelso, WA

54°F

Today's Weather - Napavine, WA

52°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Kelso / Napavine

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.

August is the hottest month for Napavine with an average high temperature of 79.5°, which ranks it as warmer than most places in Washington. In Napavine, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Napavine are July, August and September.

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

December has the coldest nighttime temperatures for Napavine with an average of 33.2°. This is about average compared to other places in Washington.

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.

In Napavine, there are 7.1 days annually when the high temperature is over 90°, which is hotter than most 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 Napavine, there are 58.8 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.

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

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 wettest month in Napavine with 8.5 inches of rain, and the driest month is July with 0.8 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 51.8 inches in Napavine 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.

November is the rainiest month in Napavine with 20.4 days of rain, and August is the driest month with only 5.1 rainy days. There are 171.1 rainy days annually in Napavine, 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.

An annual snowfall of 2.4 inches in Napavine 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.

February is the snowiest month in Napavine with 0.7 inches of snow, and 3 months of the year have significant snowfall.