2025 Compare Climate & Weather:
Chelan, WA vs Flagstaff, AZ

Highlights

On average, there are 266 sunny days per year in Flagstaff. Chelan averages 196 sunny days per year. The US average is 205 sunny days.

Flagstaff, Arizona gets 20.7 inches of rain, on average, per year. Chelan, Washington gets 12.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Flagstaff averages 81 inches of snow per year. Chelan averages 33.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Flagstaff, Arizona
Summer High: the July high is around 81.7 degrees
Winter Low: the January low is 14.3
Rain: averages 20.7 inches of rain a year
Snow: averages 81 inches of snow a year

Chelan, Washington
Summer High: the July high is around 86.3 degrees
Winter Low: the January low is 22.3
Rain: averages 12.4 inches of rain a year
Snow: averages 33.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Flagstaff is 6.9 (10=best), which means it is one of the least comfortable places in Arizona.

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

Today's Weather - Chelan, WA

76°F

Today's Weather - Flagstaff, AZ

49°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Chelan / Flagstaff

August is the hottest month for Chelan with an average high temperature of 86.6°, which ranks it as warmer than most places in Washington. In Chelan, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chelan are June, September and May.

July is the hottest month for Flagstaff with an average high temperature of 81.7°, which ranks it as one of the coolest places in Arizona. In Flagstaff, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Flagstaff are June, August and July.

December has the coldest nighttime temperatures for Chelan with an average of 21.8°. This is colder than most places in Washington.

January has the coldest nighttime temperatures for Flagstaff with an average of 14.3°. This is one of the coldest places in Arizona.

In Chelan, there are 27.3 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

In Flagstaff, there are 3.4 days annually when the high temperature is over 90°, which is one of the coolest places in Arizona.

In Chelan, there are 122.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

In Flagstaff, there are 210.5 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Arizona.

In Chelan, there are 2.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

In Flagstaff, there are 7.8 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Arizona.

December is the wettest month in Chelan with 1.9 inches of rain, and the driest month is August with 0.3 inches. The wettest season is Spring with 39% of yearly precipitation and 13% occurs in Autumn, which is the driest season. The annual rainfall of 12.4 inches in Chelan means that it is drier than most places in Washington.


August is the wettest month in Flagstaff with 3.3 inches of rain, and the driest month is June with 0.3 inches. The wettest season is Autumn with 29% of yearly precipitation and 17% occurs in Summer, which is the driest season. The annual rainfall of 20.7 inches in Flagstaff means that it is wetter than most places in Arizona.

December is the rainiest month in Chelan with 9.1 days of rain, and August is the driest month with only 2.2 rainy days. There are 69.4 rainy days annually in Chelan, which is one of the least rainy places in Washington. The rainiest season is Spring when it rains 36% of the time and the driest is Autumn with only a 15% chance of a rainy day.

August is the rainiest month in Flagstaff with 13.8 days of rain, and June is the driest month with only 2.8 rainy days. There are 83.4 rainy days annually in Flagstaff, which is one of the rainiest places in Arizona. The rainiest season is Autumn when it rains 34% of the time and the driest is Summer with only a 20% chance of a rainy day.

An annual snowfall of 33.8 inches in Chelan means that it is snowier than most places in Washington.

An annual snowfall of 81.0 inches in Flagstaff means that it is one of the snowiest places in Arizona.

December is the snowiest month in Chelan with 13.7 inches of snow, and 5 months of the year have significant snowfall.

January is the snowiest month in Flagstaff with 19.1 inches of snow, and 8 months of the year have significant snowfall.