2025 Compare Climate & Weather:
Pasco, WA vs Twin Falls, ID

Highlights

On average, there are 210 sunny days per year in Twin Falls. Pasco averages 194 sunny days per year. The US average is 205 sunny days.

Twin Falls, Idaho gets 10.4 inches of rain, on average, per year. Pasco, Washington gets 8.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Twin Falls averages 18.2 inches of snow per year. Pasco averages 3.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Twin Falls, Idaho
Summer High: the July high is around 89.3 degrees
Winter Low: the January low is 20.3
Rain: averages 10.4 inches of rain a year
Snow: averages 18.2 inches of snow a year

Pasco, Washington
Summer High: the July high is around 90 degrees
Winter Low: the January low is 28.7
Rain: averages 8.1 inches of rain a year
Snow: averages 3.5 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Twin Falls is 7.2 (10=best), which means it is one of the most pleasant places in Idaho.

The annual BestPlaces Comfort Index for Pasco is 7.5 (10=best), which means it is one of the most pleasant places in Washington.

Today's Weather - Pasco, WA

53°F

Today's Weather - Twin Falls, ID

62°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Pasco / Twin Falls

July is the hottest month for Pasco with an average high temperature of 90.0°, which ranks it as one of the hottest places in Washington. In Pasco, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Pasco are September, May and June.

July is the hottest month for Twin Falls with an average high temperature of 89.3°, which ranks it as warmer than most places in Idaho. In Twin Falls, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Twin Falls are September, June and May.

December has the coldest nighttime temperatures for Pasco with an average of 27.5°. This is colder than most places in Washington.

December has the coldest nighttime temperatures for Twin Falls with an average of 19.7°. This is about average compared to other places in Idaho.

In Pasco, there are 40.3 days annually when the high temperature is over 90°, which is one of the hottest places in Washington.

In Twin Falls, there are 38.4 days annually when the high temperature is over 90°, which is hotter than most places in Idaho.

In Pasco, there are 86.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

In Twin Falls, there are 146.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Idaho.

In Pasco, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

In Twin Falls, there are 3.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Idaho.

December is the wettest month in Pasco with 1.2 inches of rain, and the driest month is August with 0.2 inches. The wettest season is Spring with 38% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 8.1 inches in Pasco means that it is one of the driest places in Washington.


December is the wettest month in Twin Falls with 1.4 inches of rain, and the driest month is July with 0.2 inches. The wettest season is Summer with 32% of yearly precipitation and 13% occurs in Autumn, which is the driest season. The annual rainfall of 10.4 inches in Twin Falls means that it is drier than most places in Idaho.

January is the rainiest month in Pasco with 11.5 days of rain, and August is the driest month with only 2.3 rainy days. There are 83.2 rainy days annually in Pasco, which is less rainy than most places in Washington. The rainiest season is Spring when it rains 38% of the time and the driest is Autumn with only a 12% chance of a rainy day.

December is the rainiest month in Twin Falls with 9.5 days of rain, and July is the driest month with only 2.5 rainy days. There are 78.5 rainy days annually in Twin Falls, which is less rainy than most places in Idaho. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 14% chance of a rainy day.

An annual snowfall of 3.5 inches in Pasco means that it is less snowy than most places in Washington.

An annual snowfall of 18.2 inches in Twin Falls means that it is less snowy than most places in Idaho.

December is the snowiest month in Pasco with 1.4 inches of snow, and 3 months of the year have significant snowfall.

December is the snowiest month in Twin Falls with 5.5 inches of snow, and 5 months of the year have significant snowfall.